
iv
EPSON
S1C88409 TECHNICAL MANUAL
CONTENTS
5.18 A/D Converter ............................................................................................. 176
5.18.1 Characteristics and configuration of A/D converter ............................. 176
5.18.2 Terminal configuration of A/D converter ............................................... 176
5.18.3 Mask option ............................................................................................ 177
5.18.4 Control of A/D converter ........................................................................ 177
5.18.5 Interrupt function ................................................................................... 179
5.18.6 I/O memory of A/D converter ................................................................. 180
5.18.7 Programming notes ................................................................................ 183
5.19 D/A Converter ............................................................................................. 184
5.19.1 Characteristics and configuration of D/A converter ............................. 184
5.19.2 Terminal configuration of D/A converter .............................................. 184
5.19.3 Mask option ............................................................................................ 184
5.19.4 Control of D/A converter ........................................................................ 185
5.19.5 I/O memory of D/A converter ................................................................. 186
5.19.6 Programming note .................................................................................. 187
5.20 Interrupt and Standby Mode ....................................................................... 188
5.20.1 Types of interrupts .................................................................................. 188
5.20.2 Standby mode ......................................................................................... 190
5.20.3 Interrupt generation conditions ............................................................. 190
5.20.4 Interrupt factor flag ............................................................................... 192
5.20.5 Interrupt enable register ........................................................................ 192
5.20.6 Interrupt priority register and interrupt priority level .......................... 192
5.20.7 Exception processing vectors ................................................................. 193
5.20.8 I/O memory of interrupt ......................................................................... 194
5.20.9 Programming notes ................................................................................ 196
CHAPTER
6SUMMARY OF NOTES ______________________________________ 197
6.1
Notes for Low Current Consumption .......................................................... 197
6.2
Summary of Notes by Function ................................................................... 197
6.3
Precautions on Mounting ........................................................................... 202
CHAPTER
7BASIC EXTERNAL WIRING DIAGRAM ___________________________ 204
CHAPTER
8ELECTRICAL CHARACTERISTICS _______________________________ 205
8.1
Absolute Maximum Rating .......................................................................... 205
8.2
Recommended Operating Conditions ......................................................... 205
8.3
DC Characteristics ..................................................................................... 206
8.4
Analog Circuit Characteristics and Current Consumption ....................... 207
8.5
AC Characteristics ...................................................................................... 208
8.5.1 External memory access ........................................................................... 208
8.5.2 Serial interface ......................................................................................... 210
8.5.3 Input clock ................................................................................................ 212
8.5.4 LCD controller ......................................................................................... 213
8.5.5 Power-on reset .......................................................................................... 214
8.5.6 Switching operating mode ........................................................................ 214
8.6
Oscillation Characteristics ......................................................................... 215
8.7
A/D Converter Characteristics ................................................................... 217
8.8
D/A Converter Characteristics ................................................................... 217
CHAPTER
9PACKAGE _______________________________________________ 218
9.1
Plastic Package ........................................................................................... 218
9.2
Ceramic Package for Test Samples ............................................................. 219