SIC63616-(Rev. 1.0) NO. 4
3240-0412
C
ontents
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1.1 Features ......................................................................................................... 1
1.2 Block Diagram ............................................................................................... 2
1.3 Pin Layout Diagram ...................................................................................... 3
1.4 Pin Description .............................................................................................. 5
1.5 Mask Option .................................................................................................. 6
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2.2.1 Reset terminal (RESET)............................................................................... 11
2.2.2 Simultaneous high input to P1x ports (P10-P13) ........................................ 12
2.2.3 Internal register at initial resetting ............................................................. 12
2.2.4 Terminal settings at initial resetting ............................................................ 13
3 Cpu, roM, raM _________________________________________ 14
3.1 CPU ............................................................................................................. 14
3.2 Code ROM ................................................................................................... 14
3.3 RAM ............................................................................................................. 14
3.4 Data ROM .................................................................................................... 15
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4.1 Memory Map ............................................................................................... 16
4.2 Power Control .............................................................................................. 32
4.2.1 Configuration of power supply circuit ......................................................... 32
4.2.2 Controlling the power supply voltage booster/halver and voltage regulators 33
4.2.3 Heavy load protection function ................................................................... 34
4.2.4 I/O memory for power control ..................................................................... 34
4.2.5 Programming notes ..................................................................................... 36
4.3.1 Configuration of watchdog timer ................................................................. 37
4.3.2 Interrupt function ........................................................................................ 37
4.3.3 I/O memory of watchdog timer .................................................................... 38
4.3.4 Programming notes ..................................................................................... 38
4.4.1 Configuration of oscillation circuit ............................................................. 39
4.4.2 Mask option ................................................................................................. 39
4.4.3 OSC1 oscillation circuit .............................................................................. 40
4.4.4 OSC3 oscillation circuit .............................................................................. 40
4.4.5 Switching the CPU clock ............................................................................. 41
4.4.6 I/O memory of oscillation circuit ................................................................ 42
4.4.7 Programming notes ..................................................................................... 43