YSDKS3A7E20 - RENESAS TECHNOLOGY - Datasheet.Directory

User’s Manual

Renesas Synergy™

Development Kit DK-S3A7 v2.0

User’s Manual

Synergy S3A7 MCU

All information contained in these materials, including products and

product specifications, represents information on the product at the

time of publication and is subject to change by Renesas Electronics

Corp. without notice. Please review the latest information published

by Renesas Electronics Corp. through various means, including the

Renesas Electronics Corp. website (http://www.renesas.com).

Legal Notice

1) Descriptions of circuits, software and other related information in this document are provided only to illustrate the oper-

ation of semiconductor products and application examples. You are fully responsible for the incorporation of these

circuits, software, and information in the design of your equipment. Renesas Electronics assumes no responsibility for

any losses incurred by you or third parties arising from the use of these circuits, software, or information.

2) Renesas Electronics has used reasonable care in preparing the information included in this document, but Renesas Elec-

tronics does not warrant that such information is error free. Renesas Electronics assumes no liability whatsoever for any

damages incurred by you resulting from errors in or omissions from the information included herein.

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NOTE: “Renesas Electronics product(s)” means any product developed or manufactured by or for Renesas Electronics.

Renesas SynergyTM Development Kit DK-S3A7 Disclaimer

By using this DK-S3A7, the user accepts the following terms, which are in addition to, and control in the event of disagreement,

with Renesas’ General Terms and Conditions available at http://am.renesas.com/legal/legaltc.html:

The DK-S3A7 is not guaranteed to be error free, and the entire risk as to the results and performance of the DK-S3A7 is assumed

by the User. The DK-S3A7 is provided by Renesas on an “as is” basis without warranty of any kind whether express or implied,

including but not limited to the implied warranties of satisfactory quality, fitness for a particular purpose, title and

non-infringement of intellectual property rights with regard to the DK-S3A7. Renesas expressly disclaims all such warranties.

Renesas does not consider the DK-S3A7 a finished product and therefore the DK-S3A7 may not yet comply with some

requirements applicable to finished products, including, but not limited to recycling (WEEE), CE, UL, restricted substances

(ROHS), FCC, FEE, and electromagnetic compatibility regulations. Renesas or its affiliates shall in no event be liable for any

loss of profit, loss of data, loss of contract, loss of business, damage to reputation or goodwill, any economic loss, any

reprogramming or recall costs (whether the foregoing losses are direct or indirect) nor shall Renesas or its affiliates be liable

for any other direct or indirect special, incidental or consequential damages arising out of or in relation to the use of this

DK-S3A7, even if Renesas or its affiliates have been advised of the possibility of such damages.

Renesas has used reasonable care in preparing the information included in this document, but Renesas does not warrant that

such information is error free nor does Renesas guarantee an exact match for every application or parameter to part numbers

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Precautions

This Renesas SynergyTM Development Kit is only intended for use in a laboratory environment under ambient temperature and

humidity conditions. A safe separation distance should be used between this and any sensitive equipment. Its use outside the

laboratory, classroom, study area or similar such area invalidates conformity with the protection requirements of the

Electromagnetic Compatibility Directive and could lead to prosecution.

The product generates, uses, and can radiate radio frequency energy and may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment

causes harmful interference to radio or television reception, which can be determined by turning the equipment off or on, you

are encouraged to try to correct the interference by one or more of the following measures:

• Ensure attached cables do not lie across the equipment.

• Reorient the receiving antenna.

• Increase the distance between the equipment and the receiver.

• Connect the equipment into an outlet on a circuit different from that which the receiver is connected.

• Power down the equipment when not in use.

• Consult the dealer or an experienced radio/TV technician for help.

NOTE: It is recommended that wherever possible shielded interface cables are used.

The product is potentially susceptible to certain EMC phenomena. To mitigate against them it is recommended that the

following measures be undertaken:

• The user is advised that mobile phones should not be used within 10m of the product when in use.

• The user is advised to take ESD precautions when handling the equipment.

The Renesas SynergyTM Development Kit does not represent an ideal reference design for an end product and does not fulfill

the regulatory standards for an end product.

Table of Contents

Chapter 1 Overview ........................................... 6

1.1 Purpose ....................................................................6

1.2 In the box .................................................................7

1.3 Block diagram ..........................................................8

1.3.1 Main Board ...........................................................8

1.3.2 Breakout Board .....................................................9

1.4 Hardware features ....................................................9

1.4.1 Main Board ...........................................................9

1.4.2 Breakout Board ...................................................10

1.4.3 LCD Panel ..........................................................10

1.4.4 On-board external memory .................................10

1.4.5 Power ..................................................................10

1.5 Resources ...............................................................11

Chapter 2 Getting Started ............................... 12

Chapter 3 Power Supplies ............................... 13

3.1 Power supply .........................................................13

3.2 Power-up behavior .................................................13

3.3 Battery supply ........................................................13

3.4 Microcontroller current ..........................................13

3.5 Battery current .......................................................14

Chapter 4 Components .................................... 15

4.1 LCD Panel (LCD1) ................................................15

4.2 RS-232/485 transceiver (U19) ...............................15

4.3 Audio codec ...........................................................15

4.4 Peripheral devices ..................................................16

Chapter 5 Board Layout.................................. 18

5.1 Main Board components: ......................................18

5.2 Breakout Board components .................................19

Chapter 6 Configuration ................................. 20

6.1 Function select DIP switches ................................20

6.2 Analog enable jumper ...........................................22

6.3 RS-232/485 transceiver configuration ...................22

6.4 USB configuration .................................................23

6.5 Boot configuration .................................................23

Chapter 7 Connectivity.................................... 24

7.1 Pmod A ..................................................................24

7.2 Pmod C ..................................................................25

7.3 BLE/Pmod B .........................................................26

7.3.1 Bluetooth ............................................................26

7.3.2 Pmod B ...............................................................27

7.4 RS-232/485 ............................................................27

7.5 CAN .......................................................................28

7.6 User LEDs .............................................................29

7.7 Push buttons ..........................................................29

7.8 JTAG .....................................................................30

7.9 Capacitive touch expansion ...................................31

7.10 QSPI flash ............................................................32

7.11 Analog I/O ...........................................................33

Chapter 8 Appendix......................................... 34

8.1 Pin mapping ...........................................................34

DK-S3A7 User’s Manual

Overview > Purpose >

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Chapter 1 Overview

1.1 Purpose

The DK-S3A7 is a development kit for the Renesas SynergyTM S3A7 microcontroller in a LQFP144 package. It contains

two boards: the Main Board and the Breakout Board. The boards together provide easy-to-access interfaces and

connectors for all peripherals of the S3A7 microcontroller for application development. The Main Board can be used

without the Breakout Board as a compact, stand-alone development board.

The Main Board of the DK-S3A7 includes connectors for an LCD panel and capacitive-touch expansion and three

connectors for direct access to the S3A7 microcontroller I/O pins. A row of DIP configuration switches allows easy

selection of different board configurations and ensures that the signal lines are always properly connected.

The DK-S3A7 Main Board connects to a Breakout Board that contains additional peripherals, including USB Host, serial

memory, and sensors.

The DK-S3A7 is supported by the e2 studio Integrated Solution Development Environment (ISDE) from Renesas.

Figure 1: DK-S3A7

DK-S3A7 User’s Manual

Overview > In the box >

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1.2 In the box

The following components are included in the DK-S3A7:

•DK-S3A7 Main Board

• DK-S3A7 Breakout Board

• DK-S3A7 LCD panel

• One USB Type A to USB Micro-B cable

• 5-V/2.4-A, wall-mounted power supply

• Quick Start Guide

Figure 2: DK-S3A7

DK-S3A7 User’s Manual

Overview > Block diagram > Main Board

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1.3 Block diagram

1.3.1 Main Board

Figure 3: Block diagram: Main Board

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DK-S3A7 User’s Manual

Overview > Hardware features > Breakout Board

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1.3.2 Breakout Board

Figure 4: Block diagram: Breakout Board

1.4 Hardware features

The DK-S3A7 uses the Renesas Synergy S3A7 48-MHz ARM® Cortex®-M4 microcontroller with 1 MB of code flash

and 192 KB of SRAM.

For a list of S3A7 peripherals and hardware details, see the S3 Series User’s Manual: Microcontrollers.

1.4.1 Main Board

• One Full-Speed Micro-B USB Device connector

• Micro-B USB connector and SEGGER J-Link On-Board (J-Link OB) for debug access

• One 12-pin Type A Pmod™ Compatible connector for SPI, IIC, and UART

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DK-S3A7 User’s Manual

Overview > Hardware features > Breakout Board

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• One CAN interface with CAN transceiver (1 Mbit/s)

• RS-232/485 interface with on-board transceiver

• Capacitive-touch expansion connectors compatible with the Renesas RX113 Capacitive-Touch Kit for touch

buttons and sliders

• One LCD panel connector

• Configuration through DIP switches to select boot source and enable/disable board devices including Bluetooth

Low Energy, QSPI flash, push buttons, J-Link OB, and Pmod Compatible connector

• Push buttons: Three user-configurable and one reset

• 10-kΩ potentiometer to ADC

• Eight user-programmable LEDs, one power indicator LED, and one J-Link operation LED

• Backup battery for the Realtime Clock (RTC)

• Bluetooth™ Low Energy (BLE) module

• Current sense resistors and power measurement test points for microcontroller current measurement

• Three connectors to provide direct access to the I/O pins of the S3A7 microcontroller

1.4.2 Breakout Board

• On-board peripherals: EEPROM, compass, accelerometer, ambient light and proximity sensor, temperature sensor,

and a serial flash device

• One Full-Speed USB Host connector

• Two 12-pin Type 2A Pmod Compatible connectors

• Two additional extension connectors which include General Purpose I/O (GPIO), serial I/O, and analog I/O

• Full-size SD card socket

• Audio input and output through a codec device

1.4.3 LCD Panel

• 176-segment T6022A-1PRP0 LCD panel

1.4.4 On-board external memory

• 8-KB serial EEPROM

• 256-KB serial flash with advanced write protection

1.4.5 Power

The DK-S3A7 can be powered through a USB device connection or a 5-V, 2.1-mm center-positive barrel connector. An

on-board, removable CR2020 battery provides backup power to the microcontroller’s RTC.

DK-S3A7 User’s Manual

Overview > Resources > Power

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1.5 Resources

The following related documents are related to S3A7 and DK-S3A7 hardware:

• DK-S3A7 Quick Start Guide

•DK-S3A7 Schematics

• DK-S3A7 Data Short

• S3A7 User’s Manual: Hardware

• S3A7 Data sheet

For programming the DK-S3A7, refer to the SSP User’s Manual: Hardware.

DK-S3A7 User’s Manual

Getting Started > Resources > Power

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Chapter 2 Getting Started

The DK-S3A7 includes the Main Board mounted on the Breakout Board together with the LCD panel.

To start working with the DK-S3A7, see the Quick Start Guide included in the DK-S3A7 Kit.

Figure 5: DK-S3A7

DK-S3A7 User’s Manual

Power Supplies > Power supply > Power

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Chapter 3 Power Supplies

3.1 Power supply

Power is supplied to the DK-S3A7 through a barrel connector on the Main Board using a 5-V/2.5-A, wall-mounted power

supply. When +5 V is applied to J1, a green LED (LED3) illuminates on the main board.

The DK-S3A7 Main Board includes a backup battery for powering the Realtime Clock (RTC) when no external power is

supplied.

NOTE: Do not use the J-Link on-board connector (J14) to supply power to the DK-S3A7 Main Board.

3.2 Power-up behavior

The DK-S3A7 is provided without preloaded applications or demonstration programs. LED3 on the Main Board lights

green when power is connected.

3.3 Battery supply

In the out-of-the-box board configuration, coin cell battery BAT1 supplies voltage to the VBAT pin for backup power.

The VBAT voltage powers the Realtime Clock power domain of the S3A7 microcontroller, which remains powered even

when the main power is removed.

The source of the VBAT power supply is controlled through connector J23. By default, no jumper is set on J23. In this

configuration, the battery (BAT1) is the VBAT supply. If you want to remove BAT1, connect VBAT to the main power

supply by setting a jumper across pins 1 and 2 of J23.

Connector J23 can also be used to measure the battery current as described in Battery current.

IMPORTANT: For normal operation of the S3A7 microcontroller, VBAT must be powered at all times.

3.4 Microcontroller current

You can monitor the power supply current for the following two power supply inputs of the S3A7 microcontroller by

measuring the voltage drop across the precision 50-mΩ 1% resistors R1 and R42:

• To monitor MCU current, use connector J22 on the Main Board to measure the voltage drop across resistor R1.

• To monitor analog current, use connector J24 on the Main Board to measure the voltage drop across resistor R42.

DK-S3A7 User’s Manual

Power Supplies > Battery current > Power

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3.5 Battery current

You can monitor the VBAT current by measuring the voltage drop across the 1-kΩ resistor R41 using pins 2 and 3 of

connector J23. In this setting, the voltage drop indicates the current consumption of the S3A7 microcontroller when the

microcontroller is powered by the on-board coin cell battery.

DK-S3A7 User’s Manual

Components > LCD Panel (LCD1) > Power

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Chapter 4 Components

4.1 LCD Panel (LCD1)

The DK-S3A7 a Renesas 176-segment T6022A-1PRP0 LCD panel featuring:

• Large 3-digit numerical display with decimal point

• 5-digit numerical display with decimal point and clock colon

• 6-digit alphanumeric display

• 4-bar battery gauge and 6-bar graph

• Day of the week indicators

• 17 assorted symbols

The LCD display is connected to the Segment LCD Controller SLCDC on the S3A7 microcontroller.

4.2 RS-232/485 transceiver (U19)

The Main Board includes an Intersil ISL41387 dual-protocol RS-232/485 transceiver with loop-back mode and shutdown

functions. The shutdown mode disables the receive and transmit outputs of the transceiver, disables the charge pump in

RS-232 mode, and places the transceiver in low-current (35 μA) mode.

In RS-232 mode, the on-board charge pump generates RS-232 compliant +/- 5 V Tx output levels. The transceiver

supports Rx input levels of +/- 25 V and Tx output levels of +/- 12 V with data rates of up to 460 kbps.

In RS-485 mode, the charge pump is disabled to save power and minimize noise. The RS-485 receiver supports full

fail-safe operation that keeps the Rx output in a high states if the inputs are opened or shorted together. The RS-485

transmitter supports three data rates up to 20 Mbps, 460 kbps, and 115 kbps. Data rates of 460 kbps and 115 kbps in

RS-485 mode are slew-rate limited for problem-free communication.

For configuring the transceiver, see RS-232/485 transceiver configuration. The transceiver is connected to the Serial

Communication Interface SCI channel 2 on the S3A7 microcontroller.

4.3 Audio codec

The Breakout Board includes a Maxim MAX98089 Audio Stereo Codec Amplifier with line in, line out, headphone and

microphone connectors. The audio codec is connected to channel 0 of the Serial Sound Interface on the S3A7

microcontroller. IIC channel 2 is used to control the codec.

DK-S3A7 User’s Manual

Components > Peripheral devices > Power

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4.4 Peripheral devices

• EEPROM (U108)

– Device: OnSemi CAT24C64

– 8-KB CMOS serial EEPROM device, internally organized as 8192 words of 8 bits each. The EEPROM device

features a 32−byte page write buffer and supports the Standard (100 kHz), Fast (400 kHz) and Fast−Plus

(1 MHz) IIC protocol.

– Communication: IIC using IIC channel 2 on the S3A7 microcontroller

• Compass (U107)

– Device: Honeywell HMC5883L

– Magneto-resistive sensors with ASIC containing amplification, automatic degaussing strap drivers, offset

cancellation, and a 12-bit ADC that enables 1° to 2° compass heading accuracy.

– Communication: IIC using IIC channel 2 on the S3A7 microcontroller

• Ambient light and proximity sensor (U105)

– Device: Osram SFH 7776

– The device combines a digital ambient light sensor and a proximity sensor (emitter + detector). The sensor

provides an IIC bus interface and an interrupt pin.

– Communication: IIC using IIC channel 2 on the S3A7 microcontroller

• Temperature sensor (U109)

– Device: OnSemi NCT75

– The device is a two-wire (IIC) serially programmable temperature sensor with an over-temperature/interrupt

output pin to signal out of limit conditions.

– The output pin is an open-drain pin and can operate in either comparator or interrupt mode.

– Temperature measurements are converted into digital form using a high resolution (12 bit), sigma-delta,

analog-to-digital converter (ADC).

– The device operates over the –55°C to +125°C temperature range.

– Communication: IIC using IIC channel 2 on the S3A7 microcontroller

• Accelerometer sensor (U106)

– Device: Kionix KX022

– The device is a robust, low-power, IIC/SPI, 3-axis accelerometer with integrated FIFO/FILO buffer that

features a wide range of embedded functionality, including tap detection, orientation, activity, and wake-up

algorithms.

– Communication: SPI using SPI channel 0 on the S3A7 microcontroller

• Serial flash (U102)

– Device: Micron M25P20

DK-S3A7 User’s Manual

Components > Peripheral devices > Power

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– The M25P20 is a 2-Mb (256 K x 8) serial flash memory device with advanced write protection mechanisms

accessed by a high speed SPI-compatible bus.

– The device supports high-performance commands for clock frequencies of up to 75 MHz.

– Communication: SPI using SPI channel 0 on the S3A7 microcontroller

• Bluetooth Low Energy (BLE) module (RF1)

– Device: C_Max CMM-9301-V4.4

– The module is based on EM Microelectronic's low-power, fully-integrated, single-chip Bluetooth Low Energy

(BLE) Controller EM9301 and includes a folded dipole antenna.

– Communication: SCI channel 1 (SPI mode) on the S3A7 microcontroller

DK-S3A7 User’s Manual

Board Layout > Main Board components: > Power

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Chapter 5 Board Layout

5.1 Main Board components:

Figure 6: Components: Main Board

DK-S3A7 User’s Manual

Board Layout > Breakout Board components > Power

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5.2 Breakout Board components

Figure 7: Components: Breakout Board

DK-S3A7 User’s Manual

Configuration > Function select DIP switches > Power

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Chapter 6 Configuration

The DK-S3A7 has the following configuration options:

• DIP switch S5 for board function select

• J4 analog enable for analog application header

• Switch S6 for configuring the RS-232/485 transceiver for the serial connector J7

• USB connector selection

• Boot configuration

6.1 Function select DIP switches

Most pins on the Synergy S3A7 microcontroller support multiple functions and can therefore be connected to more than

one device or connector on the DK-S3A7. To make it easy and safe to connect some of the important functions of the

DK-S3A7, the kit provides a set of DIP switches mounted on the Main Board.

Each DIP switch controls a high-speed buffer which, when the switch is in the ON position, connects the signal lines

between the microcontroller and the on-board device or connector. When the switch is in the OFF position, the

microcontroller pins are isolated from the connector or device controlled by the switch and can be used for another board

function. All microcontroller pins are accessible on the breakout pin connectors J7 to J9, regardless of the switch setting.

When a DIP switch is in the OFF position, software can dynamically enable the desired peripherals at system initialization

through an I/O expander. The I/O expander is controlled through software through an IIC port connected to SCI channel

2 on the S3A7 microcontroller and performs the following functions:

• Sense the position of the DIP switch.

• Generate the enable signal for the buffer.

• Control an LED.

Through the I/O expander’s IIC port, software can read the position of the DIP switch and, if the DIP switch is open, enable

the buffers to connect the device to the microcontroller pins. The LEDs next to the DIP switch on the Main Board indicate

when the respective device is connected under software control.

DK-S3A7 User’s Manual

Configuration > Function select DIP switches > Power

R12UM0003EU0100 Rev. 1.00 Page 21 of 41

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Figure 8: Function configuration

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DK-S3A7 User’s Manual

Configuration > Analog enable jumper > Power

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5 Oct 2015

6.2 Analog enable jumper

Analog signals on the Main Board analog I/O connector (J5) can be disabled individually through the configuration of

jumper J4. See Analog I/O.

6.3 RS-232/485 transceiver configuration

The Main Board includes a dual-protocol (RS-232/485) transceiver that can be configured for either RS-232 or RS-485

and various data rates using switches 1 to 3 of DIP switch S6.

Supported data rates are up to 460 kbps in RS-232 mode. Three different data rates can be selected in RS-485 mode: up

to 20 Mbps, 460 kbps, and 115 kbps. Data rates of 460 kbps and 115 kbps in RS-485 mode are slew-rate limited for robust

communication.

In addition to the transceiver mode, DIP switch 4 (HALF) on S6 can be used to disable the receiver output and use the

UART in half-duplex mode by controlling the direction through a GPIO pin.

Table 1: Configuration Switch S5

DIP Switch Connector/ device Reference

1PBsPush buttons

2 QSPI QSPI flash

3 RSXXX RS-232/485

4CANCAN

5BLEBLE/Pmod B

6PMODPmod A

7JTAGJTAG

8 BOOT Boot configuration

Table 2: RS-232/485 (S6) configuration

232 SLEW SPB Data rate Mode

OFF ON ON 115 kbps 485

DK-S3A7 User’s Manual

Configuration > USB configuration > Power

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6.4 USB configuration

DIP switch 5 (USBF) on S6 disables the USB Device connector (J2) on the Main Board.

6.5 Boot configuration

By default, the S3A7 microcontroller boots from internal flash. To enable an external boot source, set the BOOT switch

8 on S5 to ON. You can find details on the boot configuration and boot process in the S3A7 User’s Manual: Hardware.

OFF ON OFF 460 kbps 485

OFF OFF X 20 Mbps 485

ON X X 460 kbps 232

Table 2: RS-232/485 (S6) configuration (Continued)

232 SLEW SPB Data rate Mode

DK-S3A7 User’s Manual

Connectivity > Pmod A > Power

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Chapter 7 Connectivity

7.1 Pmod A

To enable 12-pin Pmod Compatible connector Pmod A on the DK-S3A7 Main Board, use either of the following methods:

• Set DIP switch 6 (PMOD) on S5 to ON.

• If DIP switch 6 on S5 is in the OFF position, Pmod A can be enabled under software control through the

IIC-controlled I/O Expander U14.

The Pmod A connector provides access to channel 3 of the Serial Communications Interface (SCI) peripheral on the S3A7

microcontroller, which can be configured through software as SPI, UART, or IIC-bus interface (IIC Fast mode and

Standard mode only).

NOTE: The SCI3 signals can also be observed on the breakout pin connector J9 on the Main Board. The SCI3 receive and

transmit signals can be observed on application header J104 on the Breakout Board.

Table 3: Pmod A connector (J20)

PMODA connector (Main Board) S3A7 microcontroller

Pin Description Pin Function name

1 SCI CTS P411 (P4_11) CTS3

2 SCI transmit P409 (P4_9) TXD3

3 SCI receive P408 (P4_8) RXD3

4 SCI serial clock P410 (P4_10) SCK3

5, 11 GND - -

6, 12 +3V3 or +5V depending on setting of

J21

7 PMODA_7 P700 (P7_0) GPIO

8 PMODA_8 P705 (P7_5) GPIO

9 PMODA_9 P712 (P7_12) GPIO

DK-S3A7 User’s Manual

Connectivity > Pmod C > Power

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RELATED LINKS:

Configuration

7.2 Pmod C

Twelve-pin Pmod Compatible connector Pmod C provides access to the SPI0 peripheral or to SCI channel 0 on the S3A7

microcontroller.

10 PMODA_10 P713 (P7_13) GPIO

Table 4: Pmod C connector (J111)

PMODC connector (Breakout Board) S3A7 microcontroller

Pin Description Pin Function name

1 PMODC_CS# P105 (P1_5) SSLA1_A

2 MOSI0 P101 (P1_1) MOSIA_A

3 MISO0 P100 (P1_0) MISOA_A

4 SCI serial clock RSPCK0 P102 (P1_2) RSPCKA_A

5, 11 GND - -

6, 12 +3V3 or +5V depending on setting of

J102

7 PMODC_7 P603 (P6_3) GPIO

8 PMODC_8 P602 (P6_2) GPIO

9 PMODC_9 P601 (P6_1) GPIO

10 PMODC_10 P600 (P6_0) GPIO

Table 3: Pmod A connector (J20) (Continued)

PMODA connector (Main Board) S3A7 microcontroller

Pin Description Pin Function name

DK-S3A7 User’s Manual

Connectivity > BLE/Pmod B > Bluetooth

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7.3 BLE/Pmod B

The Bluetooth Low Energy (BLE) device and Pmod Compatible connector Pmod B both use the Serial Communication

Interface (SCI) channel 1 of the S3A7 microcontroller. To use the Pmod B connector, disconnect the BLE device from

the S3A7 microcontroller by setting switch 5 of DIP switch S5 to OFF.

RELATED LINKS:

Bluetooth

Pmod B

7.3.1 Bluetooth

To enable the BLE device on the DK-S3A7 Main Board, use either of the following methods:

• Set DIP switch 5 (BLE) on S5 to ON.

• If DIP switch 5 on S5 is in the OFF position, the BLE device can be enabled under software control through the

IIC-controlled I/O Expander U14.

The BLE device is connected to channel 1 of the Serial Communications Interface (SCI) peripheral on the S3A7

microcontroller, which must be configured through software as an SPI interface.

NOTE: The BLE signals can also be observed on the breakout pin connectors on the Main Board.

NOTE: SCI channel 1 used for BLE is also routed to the Pmod B connector on the Breakout Board. If you are using the

Pmod B connector, disable the BLE device.

RELATED LINKS:

Pmod B

Configuration

Table 5: BLE device (RF1)

BLE device (Main Board) S3A7 microcontroller

Pin Description Pin Function name

BLE_CS# P711 (P7_11) CTS1

BLE_MISO P708 (P7_8) RXD1

BLE_MOSI P709 (P7_9) TXD1

BLE_SCK P710 (P7_10) SCK1

BLE_IRQ# P000 (P0_0) -

BLE_RESET# P001 (P0_1) -

DK-S3A7 User’s Manual

Connectivity > RS-232/485 > Pmod B

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7.3.2 Pmod B

Twelve-pin Pmod Compatible connector Pmod B provides access to channel 1 of the Serial Communications Interface

(SCI) peripheral on the S3A7 microcontroller, which can be configured through software as SPI, UART, or IIC-bus

interface (IIC Fast mode and Standard mode only).

To use the Pmod B connector, disable the BLE device on the Main Board by setting DIP switch 5 on S5 to OFF.

RELATED LINKS:

Configuration

7.4 RS-232/485

To enable the RS-232/485 transceiver on the DK-S3A7 Main Board, use either of the following methods:

• Set DIP switch 3 (RSXXX) on S5 to ON.

• If DIP switch 3 on S5 is in the OFF position, the RS-232/485 transceiver can be enabled under software control

through the IIC-controlled I/O Expander U14.

Table 6: Pmod B connector (J100)

PMODB connector (Breakout Board) S3A7 microcontroller

Pin Description Pin Function name

1 SCI CTS P711 (P7_11) CTS1

2 SCI transmit P709 (P7_9) TXD1

3 SCI receive P708 (P7_8) RXD1

4 SCI serial clock P710 (P7_10) SCK1

5, 11 GND - -

6, 12 +3V3 or +5V depending on setting of

J102

7 PMODB_7 P800 (P8_0) GPIO

8 PMODB_8 P801 (P8_1) GPIO

9 PMODB_9 P804 (P8_4) GPIO

10 PMODB_10 P805 (P8_5) GPIO

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The RS-232/485 signals are controlled by the RS-232/485 transceiver (U19) on Main Board. The transceiver uses channel

2 of the Serial Communication Interface (SCI) on the S3A7 microcontroller, which must be configured through software

as a UART interface.

For configuring the modes of the RS-232/485 transceiver, see RS-232/485 transceiver configuration.

NOTE: The RS-232/485 transceiver signals can also be observed on the breakout pin connectors on the Main Board and

on application header J104 on the Breakout Board.

RELATED LINKS:

Configuration

Pin mapping

7.5 CAN

To enable the CAN transceiver on the DK-S3A7 Main Board, use either of the following methods:

• Set DIP switch 5 (CAN) on S5 to ON.

• If DIP switch 5 on S5 is in the OFF position, the CAN transceiver can be enabled under software control through

the IIC-controlled I/O Expander U14.

The CAN signals are controlled by the CAN transceiver (U21) on Main Board. The transceiver uses channel 0 of the CAN

Controller on the S3A7 microcontroller. The transceiver signals are routed to connector J17 on the Main Board.

NOTE: The CAN signals can also be observed on the breakout pin connectors on the Main Board and application header

J104 on the Breakout Board.

Table 7: RS-232/485 transceiver (U19)

RS-232/485 transceiver (Main Board) S3A7 microcontroller

Pin Description Pin Function name

RS_RX UART Receive P301 (P3_1) RXD2

RS_DEN UART Driver Enable P802 (P8_2) GPIO

RS_TX UART Transmit P302 (P3_2) TXD2

RS_ON UART On P803 (P8_3) GPIO

DK-S3A7 User’s Manual

Connectivity > User LEDs > Pmod B

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RELATED LINKS:

Configuration

Pin mapping

7.6 User LEDs

The Main Board features two LEDs that can be controlled by the application through the GPIO pins of the S3A7

microcontroller. Each LED supports two colors, red and green, which can be individually turned on or off through the

corresponding GPIO pins.

7.7 Push buttons

To enable the push buttons on the DK-S3A7 Main Board, use either of the following methods:

• Set DIP switch 1 (PB) on S5 to ON.

• If DIP switch 1 on S5 is in the OFF position, the push buttons can be enabled under software control through the

IIC-controlled I/O Expander U14.

Table 8: CAN transceiver (U21)

CAN transceiver (Main Board) S3A7 microcontroller

Pin Description Pin Function name

CAN_TX CAN Transmit P401 (P4_1) CTX0

CAN_RX CAN Receive P402 (P4_2) CRX0

Table 9: LED1 and LED2

User LED (Main Board) S3A7 microcontroller

Pin Description Pin Function name

LED1 Green P701 (P7_1) GPIO

LED1 Red P702 (P7_2) GPIO

LED2 Green P703 (P7_3) GPIO

LED2 Red P704 (P7_4) GPIO

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The Main Board features three push buttons, which are connected to the external interrupt inputs of the S3A7

microcontroller.

RELATED LINKS:

Pin mapping

Configuration

7.8 JTAG

To enable JTAG debug on the DK-S3A7 Main Board for all JTAG connectors, use either of the following methods:

• Set DIP switch 7 (JTAG) on S5 to ON.

• If DIP switch 7 on S5 is in the OFF position, JTAG can be enabled under software control through the

IIC-controlled I/O Expander U14.

The JTAG signals can be used through the J-Link OB USB port (J15), directly through the JTAG connector (J14), or

through the SEGGER J-Link OB connector (J13). The SEGGER J-Link OB connector and the J-Link OB USB port are

connected to the RX621 microcontroller (U16).

Table 10: Push buttons

Push buttons (Main Board) S3A7 microcontroller

Pin Description Pin Function name

S1 IRQ8 P305 (P3_5) IRQ8

S2 IRQ9 P304 (P3_4 IRQ9

S3 IRQ3 P202 (P2_2) IRQ3

Table 11: JTAG

JTAG (Main Board) S3A7 microcontroller

Pin Description Pin Function name

TMS/SWDIO Test Mode Select P108 (P1_8) TMS/SWDIO

TCK/SWCLK Test Clock P300 (P3_0) TCK/SWCLK

TDO Test Data Out P109 (P1_9) TDO

TDI Test Data In P110 (P1_10) TDI

DK-S3A7 User’s Manual

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RELATED LINKS:

Pin mapping

Configuration

7.9 Capacitive touch expansion

The Main Board includes a capacitive-touch expansion port, which is compatible with the RX113 Capacitive-Touch Kit.

The expansion port consists of two connectors, J18 and J19. The pins of connector J18 are routed directly to the S3A7

microcontroller pins. Connector J19 is connected to the I/O Expansion Controller U22, which is controlled by channel 2

of the IIC peripheral on the microcontroller.

RESET# Reset RESET# RESET#

Table 12: Capacitive touch expansion connector (J18)

Capacitive touch connector (Main Board) S3A7 microcontroller

Pin Description Pin Function name

1 TS0 P204 (P2_4?) TS0

2 TS1 P206 (P2_6) TS1

3 TS2 P008 (P0_8) TS2

4 TS3 P412 (P4_12) TS8

5 TS4 P4_13 (P4_13) TS9

6 TS5 P414 (P4_14) TS10

7 TS6 P415 (P4_15) TS11

8 TS7 P406 (P406) TS14

9 TS8 P405 (P4_5) TS15

10 TS9 P404 (P4_4) TS16

Table 11: JTAG (Continued)

JTAG (Main Board) S3A7 microcontroller

Pin Description Pin Function name

DK-S3A7 User’s Manual

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RELATED LINKS:

Pin mapping

7.10 QSPI flash

To enable the QSPI flash on the DK-S3A7 Main Board, use either of the following methods:

• Set DIP switch 2 (QSPI) on S5 to ON.

• If DIP switch 2 on S5 is in the OFF position, the QSPI flash can be enabled under software control through the

IIC-controlled I/O Expander U14.

The microcontroller pins for the QSPI flash are also connected to application header J103 on the Breakout Board as inputs

to the ADC.

11 TS10 P403 (P4_3) TS17

12 TS11 P400 (P4_0) TS20

13 TS ID P010 (P010)

Table 13: I/O Expansion Controller (U22) for capacitive touch expansion connector (J19)

I/O Expansion Controller S3A7 microcontroller

Pin Description Pin Function name

SCL P512 (P5_12) SCL2

SDA P511 (P5_11) SDA2

Table 14: Capacitive coupling

I/O Expansion Controller S3A7 microcontroller

Pin Description Pin Function name

TSCAP_B P203 (P2_3) -

Table 12: Capacitive touch expansion connector (J18) (Continued)

Capacitive touch connector (Main Board) S3A7 microcontroller

Pin Description Pin Function name

DK-S3A7 User’s Manual

Connectivity > Analog I/O > Pmod B

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RELATED LINKS:

Pin mapping

7.11 Analog I/O

A limited number of analog signals (ADC and DAC) are available on the DK-S3A7 Main Board through connector J5.

RELATED LINKS:

Pin mapping

Table 15: QSPI flash (U10)

QSPI flash (Main Board) S3A7 microcontroller

Pin Description Pin Function name

QSPI CS# P501 (P5_1) QSSL

QSPI CLK P500 (P5_0) QSPCLK

QSPI DQ0 P502 (P5_2) QIO0

QSPI DQ1 P503 (P5_3) QIO1

QSPI DQ2 P504 (P5_4) QIO2

QSPI DQ3 P505 (P5_5) QIO3

Table 16: Analog I/O header (J5)

Analog I/O header (Main Board) S3A7 microcontroller

Pin Description Pin Function name

1 DA0 P014 (P0_14) DA0

2 DA1 P015 (P0_15) DA1

4 AN011 P011 (P0_11) AN011

5 AN012 P012 (P0_12) AN012

6 AN013 P013 (P0_13) AN013

DK-S3A7 User’s Manual

Appendix > Pin mapping > Pmod B

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Chapter 8 Appendix

8.1 Pin mapping

The following table shows the routing of the microcontroller pins between the Main Board and the Breakout Board. All

microcontroller pins are accessible on the breakout pin connectors J7 to J9 on the Main Board. The microcontroller pins

are also routed to the Breakout Board through board-to-board connectors as needed for the Breakout Board functions.

Many microcontroller pins are routed to more than one function and are used for functions on both boards. For some

functions, the entire connector or device can be switched on or off under software control or using the Main Board DIP

switches. See Function select DIP switches.

Table 17: Main Board to Breakout Board pin mapping

S3A7

microcontroller Main Board Breakout Board

Port pin

Breakout

pins Other connectors or devices

Application

header pins

Other connectors or

devices

P000 (P0_0) J7/1 Bluetooth J103/1 -

P001 (P0_1) J7/2 Bluetooth J103/2 -

P002 (P0_2) J7/3 - J103/3 -

P003 (P0_3) J7/4 - J103/4 -

P004 (P0_4) J7/5 - J103/5 -

P005 (P0_5) J7/6 - J103/6 -

P006 (P0_6) J7/7 - J103/7 -

P007 (P0_7) J7/8 - J103/8 -

P008 (P0_8) J7/9 Capacitive touch expansion J103/9 -

P009 (P0_9) J7/10 - J103/10

P010 (P010) J7/11 Capacitive touch expansion J103/11 -

P011 (P0_11) J7/12 Analog I/O J103/12 -

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P012 (P0_12) J7/13 Analog I/O J103/13 -

P013 (P0_13) J7/14 Analog I/O J103/14 -

P014 (P0_14) J7/15 Analog I/O, Audio out (U13) J103/15 -

P015 (P0_15) J7/16 Analog I/O J103/14 -

P100 (P1_0) J7/17 LCD - Pmod C, SPI Flash

P101 (P1_1) J7/18 LCD - Pmod C, SPI Flash

P102 (P1_2) J7/19 LCD - Pmod C, SPI Flash

P103 (P1_3) J7/20 LCD - -

P104 (P1_4) J7/21 LCD SPI Flash

P105 (P1_5) J7/22 LCD - Pmod C

P106 (P1_6) J7/23 LCD - -

P107 (P1_7) J7/24 LCD - -

P108 (P1_8) J7/25 JTAG J104/15 -

P109 (P1_9) J7/26 JTAG J104/14 -

P110 (P1_10) J7/27 JTAG J104/17 -

P111 (P1_11) J7/28 LCD - -

P112 (P1_12) J7/29 LCD - -

P113 (P1_13) J7/30 - J104/9 -

P114 (P1_14) J7/31 - J104/10 -

P115 (P1_15) J7/32 - J104/11 -

P200 (P2_0) J7/33 - J104/18 -

Table 17: Main Board to Breakout Board pin mapping (Continued)

S3A7

microcontroller Main Board Breakout Board

Port pin

Breakout

pins Other connectors or devices

Application

header pins

Other connectors or

devices

DK-S3A7 User’s Manual

Appendix > Pin mapping > Pmod B

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P201 (P2_1) J7/34 Boot pin - -

P202 (P2_2) J7/35 Push buttons - SD_CARD_DET (SD100)

P203 (P2_3) J7/36 Capacitive touch expansion --

P204 (P2_4) J7/37 Capacitive touch expansion - USB Power switch (U100)

P205 (P2_5) J7/38 - - SD Card (SD100)

P206 (P2_6) J7/39 Capacitive touch expansion - SD Card (SD100)

P207 (P2_7) J7/40 - J104/21

P213 (P2_13) J7/41 - - Compass IRQ

P300 (P3_0) J9/1 JTAG J104/25

P301 (P3_1) J9/2 RS-232/485 J104/22 -

P302 (P3_2) J9/3 RS-232/485 J104/27 -

P303 (P3_3) J9/4 LCD - -

P304 (P3_4) J9/5 Push buttons - Temperature Sensor

TEMP SENSOR (U109)

P305 (P3_5) J9/6 Push buttons - Ambient Light and

Proximity Sensor ALS

(U105)

P306 (P3_6) J9/7 LCD - -

P307 (P3_7) J9/8 LCD - -

P308 (P3_8) J9/9 LCD - -

P309 (P3_9) J9/10

P310 (P3_10) J9/11 LCD - -

P311 (P3_11) J9/12 LCD - -

Table 17: Main Board to Breakout Board pin mapping (Continued)

S3A7

microcontroller Main Board Breakout Board

Port pin

Breakout

pins Other connectors or devices

Application

header pins

Other connectors or

devices

DK-S3A7 User’s Manual

Appendix > Pin mapping > Pmod B

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P312 (P3_12) J9/13 LCD - -

P313 (P3_13) J9/14 LCD - -

P314 (P3_14) J9/15 LCD - -

P315 (P3_15) J9/16 LCD - -

P400 (P4_0) J9/17 Capacitive touch expansion - Audio Codec (U104)

P401 (P4_1) J9/18 CAN J104/24 -

P402 (P4_2) J9/19 CAN J104/29 -

P403 (P4_3) J9/20 Capacitive touch expansion - Audio Codec (U104)

P404 (P4_4) J9/21 Capacitive touch expansion - Audio Codec (U104)

P405 (P4_5) J9/22 Capacitive touch expansion - Audio Codec (U104)

P406 (P4_6) J9/23 Capacitive touch expansion - Audio Codec (U104)

P407 (P4_7) J9/24 USB (U6) - USB (U100)

P408 (P4_8) J9/25 Pmod A J104/26 -

P409 (P4_9) J9/26 Pmod A J104/30 -

P410 (P4_10) J9/27 Pmod A - SD Card (SD100)

P411 (P4_11) J9/28 Pmod A - SD Card (SD100)

P412 (P4_12) J9/29 Capacitive touch expansion - SD Card (SD100)

P413 (P4_13) J9/30 Capacitive touch expansion - SD Card (SD100)

P414 (P4_14) J9/31 Capacitive touch expansion - SD Card (SD100)

P415 (P4_15) J9/32 Capacitive touch expansion J104/28 -

P500 (P5_0) J9/33 QSPI flash J103/17 -

Table 17: Main Board to Breakout Board pin mapping (Continued)

S3A7

microcontroller Main Board Breakout Board

Port pin

Breakout

pins Other connectors or devices

Application

header pins

Other connectors or

devices

DK-S3A7 User’s Manual

Appendix > Pin mapping > Pmod B

R12UM0003EU0100 Rev. 1.00 Page 38 of 41

5 Oct 2015

P501 (P5_1) J9/34 QSPI flash J103/18 -

P502 (P5_2) J9/35 QSPI flash J103/19 -

P503 (P5_3) J9/36 QSPI flash J103/20 -

P504 (P5_4) J9/37 QSPI flash J103/21 -

P505 (P5_5) J9/38 QSPI flash J103/22 -

P506 (P5_6) J9/39 J103/23

P507 (P5_7) J9/40 J103/24

P511 (P5_11) J9/42 Capacitive touch expansion, I/O

extensions

- Audio Codec (U104),

EEPROM (U108), all

sensors

P512 (P5_12) J9/41 Capacitive touch expansion, I/O

extensions

- Audio Codec (U104),

EEPROM (U108), all

sensors

P600 (P6_0) J8/1 LCD - Pmod C

P601 (P6_1) J8/2 LCD - Pmod C

P602 (P6_2) J8/3 LCD - Pmod C

P603 (P6_3) J8/4 LCD - Pmod C

P604 (P6_4) J8/5 LCD - Accelerometer

P605 (P6_5) J8/6 LCD - -

P606 (P6_6) J8/7 LCD - -

P608 (P6_8) J8/8 LCD - -

P609 (P6_9) J8/9 LCD - -

P610 (P6_10) J8/10 LCD - -

Table 17: Main Board to Breakout Board pin mapping (Continued)

S3A7

microcontroller Main Board Breakout Board

Port pin

Breakout

pins Other connectors or devices

Application

header pins

Other connectors or

devices

DK-S3A7 User’s Manual

Appendix > Pin mapping > Pmod B

R12UM0003EU0100 Rev. 1.00 Page 39 of 41

5 Oct 2015

P611 (P6_11) J8/11 LCD - -

P612 (P6_12) J8/12 LCD - -

P613 (P6_13) J8/13 LCD - -

P614 (P6_14) J8/14 LCD - -

P700 (P7_0) J8/15 - - -

P701 (P7_1) J8/16 User LEDs J104/1 -

P702 (P7_2) J8/17 User LEDs J104/2 -

P703 (P7_3) J8/18 User LEDs J104/3 -

P704 (P7_4) J8/19 User LEDs J104/4 -

P705 (P7_5) J8/20 - J104/5 -

P708 (P7_8) J8/21 Bluetooth -Pmod B

P709 (P7_9) J8/22 Bluetooth -Pmod B

P710 (P7_10) J8/23 Bluetooth -Pmod B

P711 (P7_11) J8/24 Bluetooth -Pmod B

P712 (P7_12) J8/25 - J104/6 -

P713 (P7_13) J8/26 - J104/7 -

P800 (P8_0) J8/27 LCD - Pmod B

P801 (P8_1) J8/28 LCD - Pmod B

P802 (P8_2) J8/29 RS-232/485 J104/23 -

P803 (P8_3) J8/30 RS-232/485 J104/20 -

P804 (P8_4) J8/31 LCD - Pmod B

Table 17: Main Board to Breakout Board pin mapping (Continued)

S3A7

microcontroller Main Board Breakout Board

Port pin

Breakout

pins Other connectors or devices

Application

header pins

Other connectors or

devices

DK-S3A7 User’s Manual

Appendix > Pin mapping > Pmod B

R12UM0003EU0100 Rev. 1.00 Page 40 of 41

5 Oct 2015

P805 (P8_5) J8/32 LCD - Pmod B

P806 (P8_6) J8/33 LCD - -

P807 (P8_7) J8/34 LCD - -

P808 (P8_8) J8/35 LCD - -

P809 (P8_9) J8/36 LCD - -

P900 (P9_0) J8/37 LCD - -

P901 (P9_1) J8/38 LCD - -

P902 (P9_2) J8/39 LCD - -

USB_DP J8/41 USB (J2) -

USB_DM J8/43 USB (J2) - USB (J101)

RESET# J7/42 Multiple - Multiple

Table 17: Main Board to Breakout Board pin mapping (Continued)

S3A7

microcontroller Main Board Breakout Board

Port pin

Breakout

pins Other connectors or devices

Application

header pins

Other connectors or

devices

DK-S3A7 User’s Manual

Appendix > Pin mapping > Pmod B

R12UM0003EU0100 Rev. 1.00 Page 41 of 41

5 Oct 2015

Revision Record

Revision Date Description

Page Summary

0.10 March 2015 - First preliminary version

0.50 July 2015 - Editorial updates

1.00 Oct. 2015 - Updated for DK-S3A7 v2

Renesas SynergyTM DK-S3A7

User’s Manual

Publication Date: Rev. 1.00 October, 2015

http://www.renesas.com

Refer to "h t tp: / /www.renesas.com/" for the latest and detailed information.

Renesas Electronics America Inc.

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Tel: +1-408-588-6000, Fax: +1-408-588-6130

Renesas Electronics Canada Limited

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Tel: +1-905-237-2004

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Tel: +44-1628-585-100, Fax: +44-1628-585-900

Renesas Electronics Europe GmbH

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Tel: +49-211-6503-0, Fax: +49-211-6503-1327

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Room 1709, Quantum Plaza, No.27 ZhiChunLu Haidian District, Beijing 100191, P.R.China

Tel: +86-10-8235-1155, Fax: +86-10-8235-7679

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Unit 301, Tower A, Central Towers, 555 Langao Road, Putuo District, Shanghai, P. R. China 200333

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Tel: +852-2265-6688, Fax: +852 2886-9022

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Tel: +886-2-8175-9600, Fax: +886 2-8175-9670

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SALES O FFICES

Colophon 4.0

Renesas SynergyTM DK-S3A7

User’s Manual

R12UM0003EU0100