Small Form Factor Copyright © 2011 by Silicon Laboratories 1.10.2011
Port 0
Latch
UART
4 kB
FLASH
256 Byte
SRAM
POR
SFR Bus
8
0
5
1
C
o
r
e
Timer
0, 1, 2 /
RTC
PCA/
WDT
P
0
D
r
v
X
B
A
R
Reset
XTAL1
XTAL2
External
Oscillator
Circuit Syst em Clock
Internal
Oscillator
Analog/Digital
Power
Debug HW
SMBus
C2D
C2D
CP0 +
-
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVST
P0.7/C2D
VDD
GND
RST/C2CK
Brown-
Out
C8051F304
25 MIPS, 4 kB Flash, 11-Pin Mixed-Signal MCU
Analog Peripherals
Comparator
-Programmable hysteresis and response time
-Configurable to generate int errupts or reset
-Low current (0.4 µA)
POR/Brown-Out Detector
On-Chip Debug
-On-chip debug circuitry facilitates full speed, non- intrusive in-system
debug (no emulator required)
-Provides breakpoint s, single stepping, watchpoints
-Inspect/modify memory, registers, and stack
-Superior performance to emulation systems using ICE-chips, target
pods, and sockets
Supply Voltage: 2.7 to 3.6 V
-Typical operating current: 5.8 mA at 25 MHz
11 µA at 32 kHz
-Typical stop mode current: <0.1 µA
Temperature Range: –40 to +85 °C
High-Speed 8051 µC Core
-Pipelined Instruction architecture; executes 70% of instructions in 1 or 2
system clocks
-Up to 25 MIPS throughput with 25 MHz clock
-Expanded interrupt handler
Memory
-256 bytes data RAM
-4 kB Flash; in-system programmable in 512 byte sectors (512 bytes are
reserved)
Digita l Peripherals
-8 port I/O; all are 5 V tolera nt
-Enhanced Hardware SMBus™ (I2C™ compatible) and UART serial
ports
-Programmable 16-bit counter/timer array with three capture/compare
modules, WDT
-3 general-purpose 16-bit counter/timers
-Dedicated watchdog timer; bidirectional reset
-Real-time clock mode using PCA or timer and external clock source
Clock Sources
-Internal oscillator: 20 MHz nominal
-External oscillator: Crystal, RC, C, or Clock (1 or 2 pin modes)
-Can switch between clock sources on-the-fly
Package
-11-pin QFN
-14-pin SOIC
Ordering Part Numbers
-Lead-free package: C8051F304-GM (QFN)
-Lead-free package: C8051F304-GS (SOIC)
Small Form Factor Copyright © 2011 by Silicon Laboratories 1.10.2011
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
Other products or brandnames mentioned herein are trademarks or registered trademarks of the ir respective holders
C8051F304
25 MIPS, 4 kB Flash, 11-Pin Mixed-Signal MCU
Selected Electrical Specifications
(TA = –40 to +85 C°, VDD = 2.7 V unless otherwise specified)
PARAMETER CONDITIONS MIN TYP MAX UNITS
GLOBAL CHARACTERISTICS
Supply Voltage 2.7 3.6 V
Supply Curre nt with
CPU active Clock = 25 MHz
Clock = 1 M H z
Clock = 32 kHz; VDD Monitor D isabled
5.8
0.34
11
mA
mA
µA
Supply Current (shutdown) Oscillator off; VDD Monitor Enabled
Oscillator off; VDD Monitor Disabled 10
<0.1 µA
µA
Clock Frequency Range DC 25 MHz
INTERN AL OS CILLATOR
Frequency 15.0 20.0 25.0 MHz
COMPARA TOR
Response Time Mode0 (CP+) – (CP-) = 100 mV 0.1 µ s
Current Consumption Mode0 7.6 µA
Response Time Mode1 (CP+) – (CP-) = 100 mV 0.18 µs
Current Consumption Mode1 3.2 µA
Response Time Mode2 (CP+) – (CP-) = 100 mV 0.32 µs
Current Consumption Mode2 1.3 µA
Response Time Mode3 (CP+) – (CP-) = 100 mV 1 µ s
Current Consumption Mode3 0.4 µA
Package Information
A1
e
A3
A2
A
Side D View
Side E View
L
be
E
D
e
E2
D2
LT
LB
k
b
D4
Bottom View
R
e
A1
A
A3
A2
b
A3
A2
A1
A
k
L
LB
LT
R
D
D2
D3
E
E2
D4
e
0.18 0.23 0.30
0.25
00.65 1.00
00.02 0.05
0.80 0.90 1.00
MIN TYP MAX
0.27
0.45 0.55 0.65
0.36
0.37
0.09
3.00
02.20 2.25
2.27
3.00
1.36
0.386
0.5
MM
D3
C8051F300DK Development Kit
