
S1C88348/317/316/308 TECHNICAL HARDWARE
EPSON
I-iii
CONTENTS
5.11
Programmable Timer ..................................................................................................... I-103
5.11.1 Configuration of programmable timer ............................................................................... I-103
5.11.2 Count operation and setting basic mode ............................................................................ I-103
5.11.3 Setting of input clock .......................................................................................................... I-105
5.11.4 Timer mode ......................................................................................................................... I-105
5.11.5 Event counter mode ............................................................................................................ I-106
5.11.6 Pulse width measurement timer mode ................................................................................ I-106
5.11.7 Interrupt function ............................................................................................................... I-107
5.11.8 Setting of TOUT output ...................................................................................................... I-107
5.11.9 Transmission rate setting of serial interface ...................................................................... I-108
5.11.10 Control of programmable timer ....................................................................................... I-109
5.11.11 Programming notes .......................................................................................................... I-115
5.12
LCD Controller .............................................................................................................. I-116
5.12.1 Configuration of LCD controller ....................................................................................... I-116
5.12.2 Mask option ........................................................................................................................ I-116
5.12.3 LCD power supply .............................................................................................................. I-116
5.12.4 LCD driver ......................................................................................................................... I-117
5.12.5 Display memory .................................................................................................................. I-120
5.12.6 Display control ................................................................................................................... I-127
5.12.7 CL and FR outputs ............................................................................................................. I-127
5.12.8 Control of LCD controller .................................................................................................. I-128
5.12.9 Programming notes ............................................................................................................ I-129
5.13
Sound Generator ............................................................................................................ I-130
5.13.1 Configuration of sound generator ...................................................................................... I-130
5.13.2 Control of buzzer output ..................................................................................................... I-130
5.13.3 Setting of buzzer frequency and sound level ...................................................................... I-131
5.13.4 Digital envelope ................................................................................................................. I-131
5.13.5 One-shot output .................................................................................................................. I-132
5.13.6 Control of sound generator ................................................................................................ I-133
5.13.7 Programming notes ............................................................................................................ I-135
5.14
Analog Comparator ....................................................................................................... I-136
5.14.1 Configuration of analog comparator ................................................................................. I-136
5.14.2 Mask option ........................................................................................................................ I-136
5.14.3 Analog comparator operation ............................................................................................ I-136
5.14.4 Control of analog comparator ........................................................................................... I-137
5.14.5 Programming notes ............................................................................................................ I-137
5.15
Supply Voltage Detection (SVD) Circuit ....................................................................... I-138
5.15.1 Configuration of SVD circuit ............................................................................................. I-138
5.15.2 Operation of SVD circuit .................................................................................................... I-138
5.15.3 Control of SVD circuit ........................................................................................................ I-140
5.15.4 Programming notes ............................................................................................................ I-141
5.16
Interrupt and Standby Status ......................................................................................... I-142
5.16.1 Interrupt generation conditions ......................................................................................... I-143
5.16.2 Interrupt factor flag ............................................................................................................ I-143
5.16.3 Interrupt enable register .................................................................................................... I-144
5.16.4 Interrupt priority register and interrupt priority level ....................................................... I-144
5.16.5 Exception processing vectors ............................................................................................. I-145
5.16.6 Control of interrupt ............................................................................................................ I-146
5.16.7 Programming notes ............................................................................................................ I-147
5.17
Notes for Low Current Consumption ............................................................................. I-148
6
BASIC EXTERNAL WIRING DIAGRAM .................................................... I-149
7
ELECTRICAL CHARACTERISTICS ........................................................... I-150
7.1
Absolute Maximum Rating ............................................................................................. I-150
7.2
Recommended Operating Conditions ............................................................................ I-151