S1C63808 TECHNICAL MANUAL
EPSON
iii
CONTENTS
4.11 Sound Generator .......................................................................................... 97
4.11.1 Configuration of sound generator .......................................................... 97
4.11.2 Control of buzzer output .......................................................................... 97
4.11.3 Setting of buzzer frequency and sound level ........................................... 98
4.11.4 Digital envelope ...................................................................................... 99
4.11.5 One-shot output ...................................................................................... 100
4.11.6 I/O memory of sound generator ............................................................. 101
4.11.7 Programming notes ................................................................................ 103
4.12 Integer Multiplier ........................................................................................ 104
4.12.1 Configuration of integer multiplier ........................................................ 104
4.12.2 Multiplication mode ............................................................................... 104
4.12.3 Division mode ......................................................................................... 105
4.12.4 Execution cycle ....................................................................................... 106
4.12.5 I/O memory of integer multiplier ........................................................... 107
4.12.6 Programming note .................................................................................. 108
4.13 SVD (Supply Voltage Detection) Circuit ..................................................... 109
4.13.1 Configuration of SVD circuit ................................................................. 109
4.13.2 SVD operation ........................................................................................ 109
4.13.3 I/O memory of SVD circuit ..................................................................... 110
4.13.4 Programming notes ................................................................................ 111
4.14 Power Supply for EPD Driver IC (VC1–VC3) ............................................. 112
4.14.1 Configuration of EPD system voltage circuit ........................................ 112
4.14.2 Mask option ............................................................................................ 112
4.14.3 Turning EPD system voltage circuit on and off ..................................... 112
4.14.4 Adjustment of EPD driver voltages ....................................................... 113
4.14.5 I/O memory of Power supply for EPD driver IC ................................... 114
4.14.6 Programming note .................................................................................. 115
4.15 Interrupt and HALT .................................................................................... 116
4.15.1 Interrupt factor ....................................................................................... 118
4.15.2 Interrupt mask ........................................................................................ 119
4.15.3 Interrupt vector ...................................................................................... 119
4.15.4 I/O memory of interrupt ......................................................................... 120
4.15.5 Programming notes ................................................................................ 121
CHAPTER
5SUMMARY OF NOTES ______________________________________ 122
5.1
Notes for Low Current Consumption .......................................................... 122
5.2
Summary of Notes by Function ................................................................... 123
5.3
Precautions on Mounting ........................................................................... 127
CHAPTER
6BASIC EXTERNAL WIRING DIAGRAM ___________________________ 129
CHAPTER
7ELECTRICAL CHARACTERISTICS _______________________________ 130
7.1
Absolute Maximum Rating .......................................................................... 130
7.2
Recommended Operating Conditions ......................................................... 130
7.3
DC Characteristics ..................................................................................... 130
7.4
Analog Circuit Characteristics and Power Current Consumption ............ 131
7.5
Oscillation Characteristics ......................................................................... 133
7.6
Serial Interface AC Characteristics ........................................................... 135
7.7
Timing Chart ............................................................................................... 136