S1C88650 TECHNICAL MANUAL EPSON iii
CONTENTS
5.10.8 Setting frame frequency for LCD driver ............................................................................... 94
5.10.9 Control of programmable timer ............................................................................................95
5.10.10 Programming notes ............................................................................................................ 107
5.11 LCD Driver ......................................................................................................................108
5.11.1 Configuration of LCD driver................................................................................................108
5.11.2 LCD power supply................................................................................................................ 108
5.11.3 Frame frequency .................................................................................................................. 109
5.11.4 Switching drive duty ............................................................................................................. 109
5.11.5 Display memory....................................................................................................................113
5.11.6 Display control ..................................................................................................................... 120
5.11.7 Control of LCD driver .......................................................................................................... 121
5.11.8 Programming notes .............................................................................................................. 123
5.12 Supply Voltage Detection (SVD) Circuit .........................................................................124
5.12.1 Configuration of SVD circuit ............................................................................................... 124
5.12.2 SVD operation ...................................................................................................................... 124
5.12.3 Control of SVD circuit.......................................................................................................... 125
5.12.4 Programming notes .............................................................................................................. 125
5.13 Heavy Load Protection Function.....................................................................................126
5.13.1 Outline of heavy load protection function ............................................................................ 126
5.13.2 Control of heavy load protection function ...........................................................................126
5.13.3 Programming note................................................................................................................126
5.14 Interrupt and Standby Status ...........................................................................................127
5.14.1 Interrupt generation conditions ........................................................................................... 127
5.14.2 Interrupt factor flag..............................................................................................................129
5.14.3 Interrupt enable register ...................................................................................................... 130
5.14.4 Interrupt priority register and interrupt priority level ......................................................... 131
5.14.5 Exception processing vectors ............................................................................................... 132
5.14.6 Control of interrupt .............................................................................................................. 133
5.14.7 Programming notes .............................................................................................................. 135
6 SUMMARY OF NOTES .................................................................................. 136
6.1 Notes for Low Current Consumption ...............................................................................136
6.2 Precautions on Mounting.................................................................................................137
7 BASIC EXTERNAL WIRING DIAGRAM ..................................................... 139
8 ELECTRICAL CHARACTERISTICS ............................................................ 140
8.1 Absolute Maximum Rating ...............................................................................................140
8.2 Recommended Operating Conditions ..............................................................................140
8.3 DC Characteristics ..........................................................................................................141
8.4 Analog Circuit Characteristics ........................................................................................142
8.5 Power Current Consumption ...........................................................................................143
8.6 AC Characteristics...........................................................................................................144
8.7 Oscillation Characteristics ..............................................................................................149
8.8 Characteristics Curves (reference value) ........................................................................150
9 PACKAGE ........................................................................................................ 159
9.1 Plastic Package................................................................................................................159
9.2 Ceramic Package for Test Samples .................................................................................160
10 PAD LAYOUT .................................................................................................. 161
10.1 Diagram of Pad Layout ...................................................................................................161
10.2 Pad Coordinates ..............................................................................................................162
