S1C8F626 TECHNICAL MANUAL
EPSON
iii
CONTENTS
5.12
Supply Voltage Detection (SVD) Circuit ......................................................................... 125
5.12.1 Configuration of SVD circuit ............................................................................................... 125
5.12.2 SVD operation ...................................................................................................................... 125
5.12.3 Control of SVD circuit .......................................................................................................... 126
5.12.4 Programming notes .............................................................................................................. 126
5.13
Heavy Load Protection Function ..................................................................................... 127
5.13.1 Outline of heavy load protection function ............................................................................ 127
5.13.2 Control of heavy load protection function ........................................................................... 127
5.13.3 Programming note ................................................................................................................ 127
5.14
Interrupt and Standby Status ........................................................................................... 128
5.14.1 Interrupt generation conditions ........................................................................................... 128
5.14.2 Interrupt factor flag .............................................................................................................. 130
5.14.3 Interrupt enable register ...................................................................................................... 131
5.14.4 Interrupt priority register and interrupt priority level ......................................................... 132
5.14.5 Exception processing vectors ............................................................................................... 133
5.14.6 Control of interrupt .............................................................................................................. 134
5.14.7 Programming notes .............................................................................................................. 136
6
FLASH EEPROM ............................................................................................ 137
6.1
ROM Programming with On Board Writer .....................................................................137
6.2
ROM Programming from User Program ......................................................................... 138
7
SUMMARY OF NOTES .................................................................................. 139
7.1
Notes for Low Current Consumption ............................................................................... 139
7.2
Precautions on Mounting ................................................................................................. 140
8
BASIC EXTERNAL WIRING DIAGRAM ..................................................... 142
9
ELECTRICAL CHARACTERISTICS ............................................................ 143
9.1
Absolute Maximum Rating ............................................................................................... 143
9.2
Recommended Operating Conditions .............................................................................. 143
9.3
DC Characteristics .......................................................................................................... 144
9.4
Analog Circuit Characteristics ........................................................................................145
9.5
Power Current Consumption ........................................................................................... 147
9.6
AC Characteristics ........................................................................................................... 148
9.7
Oscillation Characteristics ..............................................................................................152
9.8
Characteristics Curves (reference value) ........................................................................ 153
10
PACKAGE ........................................................................................................ 160
10.1
Plastic Package ................................................................................................................160
10.2
Ceramic Package for Test Samples .................................................................................162
11
PAD LAYOUT .................................................................................................. 163
11.1
Diagram of Pad Layout ...................................................................................................163
11.2
Pad Coordinates .............................................................................................................. 164