
S1C88832/88862 TECHNICAL MANUAL
EPSON
iii
CONTENTS
5.11.6 Display control ..................................................................................................................... 100
5.11.7 Control of LCD controller .................................................................................................... 101
5.11.8 Programming note ................................................................................................................ 102
5.12
Sound Generator .............................................................................................................. 103
5.12.1 Configuration of sound generator ........................................................................................ 103
5.12.2 Control of buzzer output ....................................................................................................... 103
5.12.3 Setting of buzzer frequency and sound level ........................................................................ 104
5.12.4 Digital envelope ................................................................................................................... 105
5.12.5 One-shot output .................................................................................................................... 105
5.12.6 Control of sound generator .................................................................................................. 106
5.12.7 Programming notes .............................................................................................................. 108
5.13
Supply Voltage Detection (SVD) Circuit ......................................................................... 109
5.13.1 Configuration of SVD circuit ............................................................................................... 109
5.13.2 Operation of SVD circuit ...................................................................................................... 109
5.13.3 Control of SVD circuit .......................................................................................................... 111
5.13.4 Programming notes .............................................................................................................. 112
5.14
Interrupt and Standby Status ........................................................................................... 113
5.14.1 Interrupt generation conditions ........................................................................................... 114
5.14.2 Interrupt factor flag .............................................................................................................. 114
5.14.3 Interrupt enable register ...................................................................................................... 115
5.14.4 Interrupt priority register and interrupt priority level ......................................................... 115
5.14.5 Exception processing vectors ............................................................................................... 116
5.14.6 Control of interrupt .............................................................................................................. 117
5.14.7 Programming notes .............................................................................................................. 118
5.15
Notes for Low Current Consumption ............................................................................... 119
6
BASIC EXTERNAL WIRING DIAGRAM ..................................................... 120
7
ELECTRICAL CHARACTERISTICS ............................................................ 122
7.1
Absolute Maximum Rating ............................................................................................... 122
7.2
Recommended Operating Conditions .............................................................................. 122
7.3
DC Characteristics .......................................................................................................... 123
7.4
Analog Circuit Characteristics ........................................................................................124
7.5
Power Current Consumption ........................................................................................... 127
7.6
AC Characteristics ........................................................................................................... 128
7.7
Oscillation Characteristics ..............................................................................................134
7.8
Characteristics Curves (reference value) ........................................................................ 135
8
PACKAGE ........................................................................................................ 142
8.1
Plastic Package ................................................................................................................142
8.2
Ceramic Package ............................................................................................................. 144
9
PAD LAYOUT .................................................................................................. 145
9.1
Diagram of Pad Layout ...................................................................................................145
9.2
Pad Coordinates .............................................................................................................. 147
10
PRECAUTIONS ON MOUNTING ................................................................. 149