Specifications
Table Of Contents
- Technical Hardware
- 1 OVERVIEW
- 2 POWER SUPPLY AND INITIAL RESET
- 3 CPU, ROM, RAM
- 4 PERIPHERAL CIRCUITS AND OPERATION
- 4.1 Memory Map
- 4.2 Resetting Watchdog Timer
- 4.3 Oscillation Circuit
- 4.4 Input Ports (K00–K03, K10)
- 4.5 Output Ports (R00–R03)
- 4.6 I/O Ports (P00–P03, P10–P13, P20–P23)
- 4.7 LCD Driver (COM0–COM3, SEG0–SEG31)
- 4.8 Clock Timer
- 4.9 Stopwatch Timer
- 4.10 Programmable Timer
- 4.11 Serial Interface (SIN, SOUT, SCLK, SRDY)
- 4.12 A/D Converter
- 4.13 General-purpose Operation Amplifier (AMP)
- 4.14 SVD (Supply Voltage Detection) Circuit
- 4.15 Interrupt and HALT/SLEEP
- 5 SUMMARY OF NOTES
- 6 DIAGRAM OF BASIC EXTERNAL CONNECTIONS
- 7 CHARACTERISTICS
- 8 PACKAGE
- 9 PAD LAYOUT
- Technical Software
- 1 INTRODUCTION
- 2 BLOCK DIAGRAM
- 3 PROGRAM MEMORY (ROM)
- 4 DATA MEMORY
- 5 INITIAL RESET
- 6 PERIPHERAL CIRCUITS
- 6.1 Watchdog Timer
- 6.2 OSC3
- 6.3 Input Ports (K00–K03 and K10)
- 6.4 Output Ports (R00–R03)
- 6.5 I/O Ports (P00–P03, P10–P13 and P20–P23)
- 6.6 LCD Driver
- 6.7 Clock Timer
- 6.8 Stopwatch Timer
- 6.9 Programmable Timer
- 6.10 Serial Interface Circuit
- 6.11 Amplifier
- 6.12 SVD (Supply Voltage Detection) Circuit
- 6.13 A/D Converter
- 6.14 Sleep
- 6.15 Interrupt
- 7 SUMMARY OF NOTES
- APPENDIX
I-2 EPSON S1C62740 TECHNICAL HARDWARE
CHAPTER 1: OVERVIEW
Features1.1
OSC1 oscillation circuit .... Crystal oscillation circuit: 32,768 Hz (Typ.)
OSC3 oscillation circuit .... CR or ceramic oscillation circuit (*1): 1 MHz (Typ.)
Instruction set .... 109 types
Instruction execution time .... During operation at 32 kHz: 153 µsec, 214 µsec, 366 µsec
(differ depending on instruction) During operation at 1 MHz: 5 µsec, 7 µsec, 12 µsec
ROM capacity .... 4,096 words × 12 bits
RAM capacity .... 512 words × 4 bits
Input port .... 5 bits (pull up resistors may be supplemented *1)
Output port .... 4 bits (buzzer and clock outputs are possible *2)
I/O port .... 12 bits (4 bits may be selected for serial input/output port *2)
Serial interface .... 1 port (8 bits serial, synchronous clock type)
A/D converter .... Dual slope type (operating temperature range: 0°C to 50°C)
Resolution/Conversion time: 4 types, programmable (*3)
6,400 counts / 500 msec 3,200 counts / 250 msec
1,600 counts / 125 msec 800 counts / 62.5 msec
A/D conversion precision: ±0.2%
(6,400 couns, voltage measuremant mode)
Measurement item: Voltage/Difference voltage/Resistance, programmable
Analog input: 5 terminals
Reference voltage generation circuit built-in
Middle electric potential (GND) generation circuit built-in
LCD driver .... 32 segments × 4 / 3 / 2 / 1 commons (*2)
Regulated voltage circuit and booster voltage circuit built-in
(compatible with 3–4.5 V LCD, VR adjustable)
Time base counter .... 2 systems (clock timer and stopwatch)
Watchdog timer .... Built-in
Programmable timer .... Built-in, with 1 input × 8 bits event counter function
AMP (general-purpose operational amplifier)
.... MOS input operational amplifier × 2
SVD (supply voltage detection) circuit .... 2.3 / 2.4 / 2.5 / 2.6 V, programmable (±100 mV)
External interrupt .... Input port interrupt: 2 systems
Internal interrupt .... Timer interrupt: 3 systems
Serial interface interrupt: 1 system
A/D interrupt: 1 system
Supply voltage .... During A/D operation: 2.4–5.5 V
During A/D stop: 2.2–5.5 V
Current consumption (Typ.) .... During SLEEP: 0.7 µA (3 V, stop oscillation)
During HALT: 2.0 µA (3 V, 32 kHz)
During operation: 6.0 µA (3 V, 32 kHz)
200 µA(3 V, 1 MHz)
During A/D operation: 306 µA(3 V, 32 kHz)
506 µA(3 V, 32 kHz,
AMP circuit is ON status)
Package .... QFP5-100pin / QFP15-100pin (plastic) or chip
*1 May be selected with mask option.
*2 May be selected with software.
*3 It is necessary to modify external parts.