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-i
CONTENTS
CONTENTS
CHAPTER 1 OVERVIEW....................................................................... I-1
1.1 Features .................................................................................... I-2
1.2 Block Diagram ........................................................................... I-3
1.3 Pin Layout Diagram................................................................... I-4
1.4 Pin Description .......................................................................... I-6
CHAPTER 2 POWER SUPPLY AND INITIAL RESET ................................ I-7
2.1 Power Supply ............................................................................ I-7
Voltage <VD1> for oscillation circuit and internal circuit .......I-8
Voltage <VC1, VC2 and VC3> for LCD driving ......................... I-8
Reference voltage <VR1 and VR2> for A/D converter .............. I-8
Reference voltage <GND> for analog circuit ..........................I-9
2.2 Initial Reset ............................................................................... I-9
Reset terminal (RESET) ....................................................... I-10
Simultaneous low input to terminals K00–K03 .................... I-10
Watchdog timer................................................................... I-11
Internal register at initial resetting ...................................... I-11
2.3 Test Terminals (TEST and CO) ............................................... I-11
CHAPTER 3 CPU, ROM, RAM ............................................................ I-12
3.1 CPU.......................................................................................... I-12
3.2 ROM ......................................................................................... I-12
3.3 RAM ......................................................................................... I-13
CHAPTER 4 PERIPHERAL CIRCUITS AND OPERATION ...................... I-14
4.1 Memory Map ............................................................................ I-14
4.2 Resetting Watchdog Timer....................................................... I-20
Configuration of watchdog timer..........................................I-20
Control of watchdog timer ................................................... I-21
Programming note............................................................... I-21
4.3 Oscillation Circuit ..................................................................... I-22
Configuration of oscillation circuit....................................... I-22
OSC1 oscillation circuit....................................................... I-22
OSC3 oscillation circuit....................................................... I-23
Control of oscillation circuit ................................................ I-24
Clock frequency and instruction execution time .................. I-25
Programming notes .............................................................I-25