PF468-09 E0C6281 4-bit Single Chip Microcomputer ge oltan V o Lowerati ts p c O odu Pr Core CPU Architecture SVD Circuit/Comparator Melody Circuit DESCRIPTION The E0C6281 is an advanced single-chip CMOS 4-bit microcomputer consisting of the E0C6200 CMOS 4-bit core CPU. It also contains the ROM, RAM, LCD driver, time base counter and melody generation circuit. The E0C6281 provides an excellent solution for low-power consumption systems with clock functions. FEATURES CMOS LSI ............................................. 4-bit parallel processing Clock ..................................................... 32.768kHz (Typ.) Instruction set ........................................ 100 instructions Instruction cycle time ............................ 153sec, 214sec or 366sec (depending on instruction) ROM capacity ....................................... 1,024 x 12 bits RAM capacity ........................................ 96 x 4 bits Input port ............................................... 5 bits (pull-down resistors are available by mask option) Output port ............................................ 4 bits (general purpose port) 2 bits (for melody output): MO, MO (also used as the external CR connecting terminal for envelope) 1 bit (for lamp output) 1 bit (for clock output: frequency can be selected from 256Hz through 32kHz by mask option) I/O port .................................................. 4 bits LCD driver ............................................. 26 segments x 3 commons, 1/3 duty or 4 commons, 1/4 duty Built-in stopwatch timer Built-in supply voltage detection (SVD) circuit Built-in comparator ................................ 1 ch. Built-in melody generation circuit .......... Equivalent to SVM7500 (80-word melody ROM is built in) Interrupts ............................................... External : Input interrupt 2 lines Internal : Timer interrupt 1 line Stopwatch interrupt 1 line Melody completion interrupt 1 line Supply voltage ...................................... 1.5V/3.0V (Minimum operating voltage: 0.9V/1.8V) Current consumption ............................ E0C6281/62L81 HALT mode : 1.0A (Typ.) OPERATING mode : 2.5A (Typ.) E0C62A81/62B81 HALT mode : 5.5A (Typ.) OPERATING mode : 7.2A (Typ.) Package ................................................ QFP6-64pin-S1 (plastic) Die form LINE UP Model Supply voltage Clock E0C6281 3.0V (1.8V to 3.5V) 32kHz (Crystal oscillation) E0C62L81 1.5V (0.9V to 3.5V) 32kHz (Crystal oscillation) E0C62A81 3.0V (1.8V to 3.5V) 32kHz (CR oscillation) E0C62B81 1.5V (0.9V to 3.5V) 32kHz (CR oscillation) SEIKO EPSON CORPORATION 1 E0C6281 < Detail of Melody Function > * Melody memory capacity .................. 80 words * Interval memory capacity .................. 16 words (including one pause note) * Interval generated ............................. C3 to C6#, or C4 to C7# (mask option) * Useful note ........................................ 8 (from sixteenth note to a half note) * Tempo ................................................ Basic: Select 2 tempos out of 16 tempos (30 to 480) (mask option) (The tempo selected is changed by the software control.) The tempo having 8 times, 16 times or 32 times the basic tempo is available by software. * Envelope ............................................ External CR is required. (not available for the piezoelectic direct drive type) * Piezoelectic direct drive .................... Envelope not available * Melody control function ..................... (1) 1 music: Melody start address is controlled by the software. (2) Repeating: The address is controlled by the software when repeated. (3) Forcible music change: The new music address is designated with the software while a music is now played. ROM 1,024 words x 12 bits RESET OSC1 OSC2 BLOCK DIAGRAM System Reset Control OSC Core CPU E0C6200 RAM 96 words x 4 bits COM0~3 SEG0~25 LCD Driver VDD VL1~3 CA~CC VS1 VSS Power Controller CMPP CMPM Interrupt Generator I/O Port P00~03 Output Port Comparator & SVD Timer Melody Stop Watch MO R12 K00~03, K10 MTEST TEST Input Port Test Port R00~03, R10, R11 PIN CONFIGURATION QFP6-64pin-S1 48 33 32 49 E0C6281 INDEX 17 64 1 2 16 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin name COM1 COM2 COM3 SEG25 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Pin name SEG12 TEST SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 N.C. P00 No. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Pin name No. Pin name P01 49 R00 P02 50 R01 P03 51 R02 CMPM 52 R03 CMPP 53 VS1 MTEST 54 VDD RESET 55 VSS K00 56 OSC2 K01 57 OSC1 K02 58 VL3 K03 59 VL2 K10 60 VL1 R10 61 CC R11 62 CB R12 63 CA MO 64 COM0 N.C. = No Connection E0C6281 PIN DESCRIPTION Pin name VDD VSS VS1 VL1 VL2 VL3 CA-CC OSC1 OSC2 K00-K03, K10 P00-P03 R00-R03 R10 R11 R12 MO CMPP CMPM SEG0-25 COM0-3 RESET TEST MTEST Pin No. 54 55 53 60 59 58 61-63 57 56 40-44 32-35 49-52 45 46 47 48 37 36 4-17, 19-30 64, 1-3 39 18 38 In/Out I I O O O O - I O I I/O O O O O O I I O O I I I Function Power source (+) terminal Power source (-) terminal Oscillation and internal logic system regulated voltage output terminal LCD system regulated voltage output terminal (approx. -1.05 V) LCD system booster output terminal (VL1 x 2) LCD system booster output terminal (VL1 x 3) Booster capacitor connecting terminal Crystal or CR oscillation input terminal Crystal or CR oscillation output terminal Input terminal I/O terminal Output terminal Output terminal (FOUT output available by mask option) Output terminal Output terminal (Melody inverted output and envelope function available by mask option) Melody signal output terminal Analog comparator non-inverted input terminal Analog comparator inverted input terminal LCD segment output terminal (Convertible to DC output by mask option) LCD common output terminal Initial reset input terminal Test input terminal Melody test input terminal ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings (VDD=0V) Rating Symbol Value Unit Supply voltage VSS -5.0 to 0.5 V Input voltage (1) VI VSS - 0.3 to 0.5 V Input voltage (2) VIOSC VSS - 0.3 to 0.5 V Permissible total output current *1 IVSS 10 mA Operating temperature Topr -20 to 70 C Storage temperature Tstg -65 to 150 C Soldering temperature / Time Tsol 260C, 10sec (lead section) - Permissible dissipation *2 PD 250 mW 1: The permissible total output current is the sum total of the current (average current) that simultaneously flows from the output pins (or is draw in). 2: In case of plastic package (QFP6-64pin). Recommended Operating Conditions E0C6281/62A81 Condition Supply voltage Oscillation frequency Symbol VSS VDD=0V fOSC Remark Min. -3.5 - Typ. -3.0 32.768 E0C62L81/62B81 Condition Supply voltage Symbol Remark Min. Typ. VSS VDD=0V -3.5 -1.5 VDD=0V, With software control *1 -3.5 -1.5 VDD=0V, When the analog comparator is used -3.5 -1.5 Oscillation frequency fOSC - 32.768 1: When switching to heavy load protection mode. The SVD circuit and analog voltage comparator are turned OFF. 2: The possibility of LCD panel display differs depending on the characteristics of the LCD panel. (Ta=-20 to 70C) Max. Unit -1.8 V - kHz (Ta=-20 to 70C) Max. Unit -1.1 V -0.9 *2 V -1.3 V - kHz 3 E0C6281 DC Characteristics E0C6281/62A81 (Unless otherwise specified: VDD=0V, VSS=-3.0V, fOSC=32.768kHz, Ta=25C, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Characteristic Symbol Min. Typ. Max. Condition Unit High level input voltage (1) VIH1 K00-K03, K10, P00-P03 0.2*VSS 0 V MTEST High level input voltage (2) VIH2 RESET, TEST 0.10*VSS 0 V Low level input voltage (1) VIL1 VSS 0.8*VSS K00-K03, K10, P00-P03 V MTEST Low level input voltage (2) VIL2 RESET, TEST VSS 0.90*VSS V High level input current (1) IIH1 VIH1=0V 0 0.5 K00-K03, K10, P00-P03 A No pull down resistor CMPP, CMPM High level input current (2) IIH2 VIH2=0V 5 16 K00-K03, K10 A With pull down resistor High level input current (3) IIH3 VIH3=0V P00-P03 30 100 A With pull down resistor RESET, TEST, MTEST Low level input current -0.5 0 IIL VIL=VSS K00-K03, K10, P00-P03 A CMPP, CMPM RESET, TEST, MTEST High level output current (1) IOH1 VOH1=0.1*VSS -1.0 R11 mA High level output current (2) IOH2 VOH2=0.1*VSS -1.0 R00-R03, R10, P00-P03 mA High level output current (3) IOH3 -2.0 MO, R12 mA VOH3=0.1*VSS Low level output current (1) 3.0 IOL1 VOL1=0.9*VSS R11 mA Low level output current (2) 3.0 IOL2 VOL2=0.9*VSS R00-R03, R10, P00-P03 mA Low level output current (3) 4.5 MO, R12 mA IOL3 VOL3=0.9*VSS Common output current -3 IOH4 VOH4=-0.05V COM0-COM3 A 3 A IOL4 VOL4=VL3+0.05V Segment output current -3 IOH5 SEG0-SEG25 A VOH5=-0.05V (during LCD output) 3 IOL5 VOL5=VL3+0.05V A Segment output current -300 SEG0-SEG25 A IOH6 VOH6=0.1*VSS (during DC output) 300 IOL6 VOL6=0.9*VSS A E0C62L81/62B81 (Unless otherwise specified: VDD=0V, VSS=-1.5V, fOSC=32.768kHz, Ta=25C, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Characteristic Symbol Min. Typ. Condition Unit Max. High level input voltage (1) VIH1 K00-K03, K10, P00-P03 0.2*VSS V 0 MTEST High level input voltage (2) RESET, TEST V VIH2 0.10*VSS 0 Low level input voltage (1) K00-K03, K10, P00-P03 V VIL1 VSS 0.8*VSS MTEST Low level input voltage (2) VIL2 VSS 0.90*VSS RESET, TEST V High level input current (1) IIH1 VIH1=0V 0 0.5 K00-K03, K10, P00-P03 A No pull down resistor CMPP, CMPM High level input current (2) VIH2=0V 2.0 10 IIH2 K00-K03, K10 A With pull down resistor High level input current (3) 9.0 60 IIH3 VIH3=0V P00-P03 A With pull down resistor RESET, TEST, MTEST IIL Low level input current VIL=VSS -0.5 0 K00-K03, K10, P00-P03 A CMPP, CMPM RESET, TEST, MTEST VOH1=0.1*VSS High level output current (1) IOH1 -450 R11 A VOH2=0.1*VSS High level output current (2) IOH2 -200 R00-R03, R10, P00-P03 A VOH3=0.1*VSS High level output current (3) IOH3 -0.8 MO, R12 mA VOH4=0.1*VSS High level output current (4) IOH4 -0.4 MO mA When envelope is used (R12=Normal H level) IOL1 VOL1=0.9*VSS Low level output current (1) 1,300 R11 A IOL2 VOL2=0.9*VSS Low level output current (2) 700 R00-R03, R10, P00-P03 A IOL3 VOL3=0.9*VSS Low level output current (3) 1.5 MO, R12 mA IOL4 VOL4=0.9*VSS Low level output current (4) 750 MO A When envelope is used (R12=Normal L level) IOH5 VOH5=-0.05V Common output current -3 COM0-COM3 A IOL5 VOL5=VL3+0.05V 3 A IOH6 VOH6=-0.05V Segment output current -3 SEG0-SEG25 A IOL6 VOL6=VL3+0.05V (during LCD output) 3 A IOH7 VOH7=0.1*VSS Segment output current -100 SEG0-SEG25 A IOL7 VOL7=0.9*VSS (during DC output) 130 A 4 E0C6281 Analog Circuit Characteristics and Current Consumption E0C6281 (Normal Operating Mode) (Unless otherwise specified: VDD=0V, VSS=-3.0V, fOSC=32.768kHz, Ta=25C, CG=25pF, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Max. Condition Characteristic Symbol Min. Typ. Unit -0.95 Connect 1M load resistor between VDD and VL1 Internal voltage VL1 -1.15 -1.05 V (without panel load) 2*VL1 Connect 1M load resistor between VDD and VL2 VL2 2*VL1 V (without panel load) -0.1 x0.9 Connect 1M load resistor between VDD and VL3 3*VL1 3*VL1 VL3 V (without panel load) -0.1 x0.9 VSVD -2.55 -2.25 SVD voltage -2.40 V tSVD 100 SVD circuit response time S Noninverted input (CMPP) VSS+0.3 VDD-0.9 Analog comparator VIP V Inverted input (CMPM) input voltage VIM Analog comparator 10 VOF mV offset voltage Analog comparator 3 tCMP VIP=-1.5V, VIM=VIP15mV mS response time Current consumption 1.0 2.5 During HALT IOP A Without panel load 2.5 5.0 During operation *1 A 1: The SVD circuit and analog voltage comparator are turned OFF. E0C6281 (Heavy Load Protection Mode) (Unless otherwise specified: VDD=0V, VSS=-3.0V, fOSC=32.768kHz, Ta=25C, CG=25pF, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Max. Condition Characteristic Symbol Min. Typ. Unit -0.95 Connect 1M load resistor between VDD and VL1 Internal voltage VL1 -1.15 -1.05 V (without panel load) 2*VL1 Connect 1M load resistor between VDD and VL2 VL2 2*VL1 V (without panel load) -0.1 x0.85 Connect 1M load resistor between VDD and VL3 3*VL1 3*VL1 VL3 V (without panel load) -0.1 x0.85 VSVD -2.55 -2.25 SVD voltage -2.40 V tSVD 100 SVD circuit response time S Noninverted input (CMPP) VSS+0.3 VDD-0.9 Analog comparator VIP V Inverted input (CMPM) input voltage VIM Analog comparator 10 VOF mV offset voltage Analog comparator 3 tCMP VIP=-1.5V, VIM=VIP15mV mS response time Current consumption 2.0 5.5 During HALT IOP A Without panel load 5.5 10.0 During operation *1 A 1: The SVD circuit and analog voltage comparator are turned OFF. E0C62L81 (Normal Operating Mode) (Unless otherwise specified: VDD=0V, VSS=-1.5V, fOSC=32.768kHz, Ta=25C, CG=25pF, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Max. Condition Characteristic Symbol Min. Typ. Unit -0.95 Connect 1M load resistor between VDD and VL1 Internal voltage VL1 -1.15 -1.05 V (without panel load) 2*VL1 Connect 1M load resistor between VDD and VL2 VL2 2*VL1 V (without panel load) -0.1 x0.9 Connect 1M load resistor between VDD and VL3 3*VL1 3*VL1 VL3 V (without panel load) -0.1 x0.9 -1.30 -1.10 SVD voltage VSVD -1.20 V tSVD 100 SVD circuit response time S Noninverted input (CMPP) VSS+0.3 VDD-0.9 Analog comparator VIP V Inverted input (CMPM) input voltage VIM Analog comparator 20 VOF mV offset voltage Analog comparator 3 tCMP VIP=-1.1V, VIM=VIP30mV mS response time Current consumption 1.0 2.5 During HALT IOP A Without panel load 2.5 5.0 During operation *1 A 1: The SVD circuit and analog voltage comparator are turned OFF. 5 E0C6281 E0C62L81 (Heavy Load Protection Mode) (Unless otherwise specified: VDD=0V, VSS=-1.5V, fOSC=32.768kHz, Ta=25C, CG=25pF, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Max. Condition Characteristic Symbol Min. Typ. Unit -0.95 Connect 1M load resistor between VDD and VL1 Internal voltage VL1 -1.15 -1.05 V (without panel load) 2*VL1 Connect 1M load resistor between VDD and VL2 VL2 2*VL1 V (without panel load) -0.1 x0.85 Connect 1M load resistor between VDD and VL3 3*VL1 3*VL1 VL3 V (without panel load) -0.1 x0.85 VSVD -1.30 -1.10 SVD voltage -1.20 V tSVD 100 SVD circuit response time S Noninverted input (CMPP) VSS+0.3 VDD-0.9 Analog comparator VIP V Inverted input (CMPM) input voltage VIM Analog comparator 20 VOF mV offset voltage Analog comparator 3 tCMP VIP=-1.1V, VIM=VIP30mV mS response time Current consumption 2.0 5.5 During HALT IOP A Without panel load 5.5 10.0 During operation *1 A 1: The SVD circuit and analog voltage comparator are turned OFF. E0C62A81 (Normal Operating Mode) (Unless otherwise specified: VDD=0V, VSS=-3.0V, fOSC=32.768kHz, Ta=25C, CG=25pF, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Max. Condition Characteristic Symbol Min. Typ. Unit -0.95 Connect 1M load resistor between VDD and VL1 Internal voltage VL1 -1.15 -1.05 V (without panel load) 2*VL1 Connect 1M load resistor between VDD and VL2 VL2 2*VL1 V (without panel load) -0.1 x0.9 Connect 1M load resistor between VDD and VL3 3*VL1 3*VL1 VL3 V (without panel load) -0.1 x0.9 -2.55 -2.25 SVD voltage VSVD -2.40 V tSVD 100 SVD circuit response time S Noninverted input (CMPP) VSS+0.3 VDD-0.9 Analog comparator VIP V Inverted input (CMPM) input voltage VIM Analog comparator 10 VOF mV offset voltage Analog comparator 3 tCMP VIP=-1.5V, VIM=VIP15mV mS response time Current consumption 5.5 10.0 During HALT IOP A Without panel load 7.2 12.0 During operation *1 A 1: The SVD circuit and analog voltage comparator are turned OFF. E0C62A81 (Heavy Load Protection Mode) (Unless otherwise specified: VDD=0V, VSS=-3.0V, fOSC=32.768kHz, Ta=25C, CG=25pF, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Max. Condition Characteristic Symbol Min. Typ. Unit -0.95 Connect 1M load resistor between VDD and VL1 Internal voltage VL1 -1.15 -1.05 V (without panel load) 2*VL1 Connect 1M load resistor between VDD and VL2 VL2 2*VL1 V (without panel load) -0.1 x0.85 Connect 1M load resistor between VDD and VL3 3*VL1 3*VL1 VL3 V (without panel load) -0.1 x0.85 -2.55 -2.25 VSVD SVD voltage -2.40 V 100 tSVD SVD circuit response time S Noninverted input (CMPP) VSS+0.3 VDD-0.9 Analog comparator VIP V Inverted input (CMPM) input voltage VIM Analog comparator 10 VOF mV offset voltage Analog comparator 3 tCMP VIP=-1.5V, VIM=VIP15mV mS response time Current consumption 11.0 20.0 During HALT IOP A Without panel load 15.0 25.0 During operation *1 A 1: The SVD circuit and analog voltage comparator are turned OFF. 6 E0C6281 E0C62B81 (Normal Operating Mode) (Unless otherwise specified: VDD=0V, VSS=-1.5V, fOSC=32.768kHz, Ta=25C, CG=25pF, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Max. Condition Characteristic Symbol Min. Typ. Unit -0.95 Connect 1M load resistor between VDD and VL1 Internal voltage VL1 -1.15 -1.05 V (without panel load) 2*VL1 Connect 1M load resistor between VDD and VL2 VL2 2*VL1 V (without panel load) -0.1 x0.9 Connect 1M load resistor between VDD and VL3 3*VL1 3*VL1 VL3 V (without panel load) -0.1 x0.9 VSVD -1.30 -1.10 SVD voltage -1.20 V tSVD 100 SVD circuit response time S Noninverted input (CMPP) VSS+0.3 VDD-0.9 Analog comparator VIP V Inverted input (CMPM) input voltage VIM Analog comparator 20 VOF mV offset voltage Analog comparator 3 tCMP VIP=-1.1V, VIM=VIP30mV mS response time Current consumption 5.5 10.0 During HALT IOP A Without panel load 7.2 12.0 During operation *1 A 1: The SVD circuit and analog voltage comparator are turned OFF. E0C62B81 (Heavy Load Protection Mode) (Unless otherwise specified: VDD=0V, VSS=-1.5V, fOSC=32.768kHz, Ta=25C, CG=25pF, VS1/VL1-VL3 are internal voltage, C1-C6=0.1F) Max. Condition Characteristic Symbol Min. Typ. Unit -0.95 Connect 1M load resistor between VDD and VL1 Internal voltage VL1 -1.15 -1.05 V (without panel load) 2*VL1 Connect 1M load resistor between VDD and VL2 VL2 2*VL1 V (without panel load) -0.1 x0.85 Connect 1M load resistor between VDD and VL3 3*VL1 3*VL1 VL3 V (without panel load) -0.1 x0.85 -1.30 -1.10 SVD voltage VSVD -1.20 V tSVD 100 SVD circuit response time S Noninverted input (CMPP) VSS+0.3 VDD-0.9 Analog comparator VIP V Inverted input (CMPM) input voltage VIM Analog comparator 20 VOF mV offset voltage Analog comparator 3 tCMP VIP=-1.1V, VIM=VIP30mV mS response time Current consumption 11.0 20.0 During HALT IOP A Without panel load 15.0 25.0 During operation *1 A 1: The SVD circuit and analog voltage comparator are turned OFF. 7 E0C6281 Oscillation Characteristics The oscillation characteristics change depending on the conditions (components used, board pattern, etc.). Use the following characteristics as reference values. E0C6281 (Crystal) (Unless otherwise specified: VDD=0V, VSS=-3.0V, Crystal: C-002R (CI=35k), CG=25pF, CD=built-in, Ta=25C) Characteristic Symbol Min. Typ. Max. Condition Unit Oscillation start voltage Vsta -1.8 V tsta3sec (VSS) Oscillation stop voltage Vstp -1.8 tstp10sec V (VSS) Built-in capacitance (drain) CD 20 Including the parasitic capacity inside the IC pF Frequency/voltage deviation 5 VSS=-1.8 to -3.5V ppm f/V Frequency/IC deviation -10 10 ppm f/IC Frequency adjustment range 40 ppm f/CG CG=5 to 25pF Harmonic oscillation start voltage Vhho -3.5 (VSS) V Permitted leak resistance 200 M Between OSC1 and VDD, VSS Rleak E0C62L81 (Crystal) (Unless otherwise specified: VDD=0V, VSS=-1.5V, Crystal: C-002R (CI=35k), CG=25pF, CD=built-in, Ta=25C) Unit Condition Characteristic Symbol Min. Typ. Max. V tsta3sec (VSS) Oscillation start voltage Vsta -1.1 V Oscillation stop voltage Vstp (VSS) -1.1(-0.9)*1 tstp10sec pF Built-in capacitance (drain) CD Including the parasitic capacity inside the IC 20 ppm f/V Frequency/voltage deviation VSS=-1.1 to -3.5V (-0.9) *1 5 ppm f/IC Frequency/IC deviation -10 10 ppm f/CG CG=5 to 25pF Frequency adjustment range 40 V Harmonic oscillation start voltage Vhho (VSS) -3.5 M Between OSC1 and VDD, VSS Rleak Permitted leak resistance 200 1: Items enclosed in parentheses ( ) are those used when operating at heavy load protection mode. E0C62A81 (CR) Characteristic Oscillation frequency dispersion Oscillation start voltage Oscillation start time Oscillation stop voltage Symbol fOSC Vsta tsta VSS=-1.8 to -3.5V Vstp (Unless otherwise specified: VDD=0V, VSS=-3.0V, RCR=850k, Ta=25C) Typ. Max. Unit Condition Min. 20 % 32.768kHz -20 V (VSS) -1.8 mS 3 V (VSS) -1.8 Symbol fOSC Vsta tsta VSS=-0.9 to -3.5V Vstp (Unless otherwise specified: VDD=0V, VSS=-1.5V, RCR=850k, Ta=25C) Typ. Max. Unit Condition Min. 20 % 32.768kHz -20 V (VSS) -0.9 mS 3 V (VSS) -0.9 E0C62B81 (CR) Characteristic Oscillation frequency dispersion Oscillation start voltage Oscillation start time Oscillation stop voltage 8 E0C6281 BASIC EXTERNAL CONNECTION DIAGRAM CC K10 VL1 P00 VL2 VL3 I/O P03 CMPP CMPM I C2 C3 C4 C5 R00 K10 VL1 P00 VL2 VL3 CMPM 1.5V or 3.0V E0C6281 /62L81 R00 R03 TEST R10 MTEST Vss R11 MO MO C6 RESET TEST R12 C5 OSC2 MTEST 1.5V or 3.0V Vss C7 R2 C4 X'tal R10 R1 C3 CG R03 R11 C2 OSC1 VS1 O C1 VDD CMPP X'tal OSC2 RESET COM3 CC P03 CG C6 CB I/O VDD E0C6281 /62L81 CA K03 OSC1 VS1 O K00 C1 COM0 CB SEG25 CA SEG0 COM3 SEG25 K03 LCD PANEL R12 I SEG0 K00 COM0 LCD PANEL Piezo Buzzer R3 Coil Piezo Buzzer X'tal CG C1-C6 Cp R1, R2 Crystal oscillator Trimmer capacitor Capacitor Capacitor Protection resistor 32.768kHz, CI(Max.)=35k 5-25pF 0.1F 3.3F 100 X'tal CG C1-C6 C7 Cp R3 Crystal oscillator Trimmer capacitor Capacitor Capacitor Capacitor Resistor 32.768kHz, CI(Max.)=35k 5-25pF 0.1F 1F-10F 3.3F 1k or more Note: The above tables are simply an example, and are not guaranteed to work. 9 E0C6281 PACKAGE DIMENSIONS Plastic QFP6-64pin-S1 16.80.4 140.1 48 33 140.1 16.80.4 32 49 INDEX 17 64 1 16 0.1 2.70.1 3.05max 0.8 0.350.1 0.150.05 0 10 0.60.15 1.4 Unit: mm NOTICE: No part of this material may be reproduced or duplicated in any form or by any means without the written permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notice. Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material or due to its application or use in any product or circuit and, further, there is no representation that this material is applicable to products requiring high level reliability, such as, medical products. Moreover, no license to any intellectual property rights is granted by implication or otherwise, and there is no representation or warranty that anything made in accordance with this material will be free from any patent or copyright infringement of a third party. This material or portions thereof may contain technology or the subject relating to strategic products under the control of the Foreign Exchange and Foreign Trade Control Law of Japan and may require an export license from the Ministry of International Trade and Industry or other approval from another government agency. (c) Seiko Epson Corporation 1999 All right reserved. SEIKO EPSON CORPORATION ELECTRONIC DEVICES MARKETING DIVISION IC Marketing & Engineering Group ED International Marketing Department I (Europe & U.S.A.) 421-8, Hino, Hino-shi, Tokyo 191-8501, JAPAN Phone : 042-587-5812 FAX : 042-587-5564 ED International Marketing Department II (Asia) 421-8, Hino, Hino-shi, Tokyo 191-8501, JAPAN Phone : 042-587-5814 FAX : 042-587-5110