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

Hardware
S1C62740 TECHNICAL HARDWARE EPSON I-iii
CONTENTS
Data input/output and interrupt function........................... I-72
Mask option ........................................................................I-74
Control of serial interface .................................................... I-75
Programming notes .............................................................I-79
4.12 A/D Converter .......................................................................... I-80
Configuration of A/D converter ........................................... I-80
Measured input terminal and measurement items............... I-81
Reference voltage generation circuit .................................... I-84
Middle electric potential (GND) generation circuit ................ I-86
Operation of the dual slope type A/D converter ................... I-87
A/D conversion and interrupt ............................................. I-92
Control of the A/D converter ...............................................I-96
Programming notes ............................................................I-100
4.13 General-purpose Operation Amplifier (AMP) .......................... I-101
Configuration of AMP circuit .............................................. I-101
Operation of AMP circuit .................................................... I-101
Control of AMP circuit ........................................................ I-102
Programming notes ............................................................I-102
4.14 SVD (Supply Voltage Detection) Circuit .................................. I-103
Configuration of SVD circuit...............................................I-103
SVD operation.................................................................... I-103
Control of SVD circuit ........................................................ I-104
Programming notes ............................................................I-105
4.15 Interrupt and HALT/SLEEP ..................................................... I-106
Interrupt factor .................................................................. I-108
Interrupt mask................................................................... I-109
Interrupt vector.................................................................. I-110
Control of interrupt ............................................................ I-111
Programming notes ............................................................I-113
CHAPTER 5 SUMMARY OF NOTES.................................................... I-114
5.1 Notes for Low Current Consumption ....................................... I-114
5.2 Summary of Notes by Function ............................................... I-115
CHAPTER 6 DIAGRAM OF BASIC EXTERNAL CONNECTIONS ........ I-119
CHAPTER 7 ELECTRICAL CHARACTERISTICS ................................... I-121
7.1 Absolute Maximum Rating ...................................................... I-121
7.2 Recommended Operating Conditions ..................................... I-121
7.3 DC Characteristics .................................................................. I-122
7.4 Analog Characteristics and Consumed Current ...................... I-123
7.5 Oscillation Characteristics ....................................................... I-129