MC81F4204 Datasheet, PDF (6/150 Pages) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

MC81F4204
9.6 Control Registers ( SFR ) ........................................................................................................... 50
9.7 Addressing modes ...................................................................................................................... 55
10. I/O PORTS ...................................................................................................................................... 62
10.1 R0 Port Registers ..................................................................................................................... 63
10.2 R1 Port Registers ..................................................................................................................... 67
10.3 R3 Port Registers ..................................................................................................................... 71
11. INTERRUTP CONTROLLER .......................................................................................................... 73
11.1 Registers................................................................................................................................... 74
11.2 Interrupt Sequence ................................................................................................................... 76
11.3 BRK Interrupt ............................................................................................................................ 79
11.4 Shared Interrupt Vector ............................................................................................................ 79
11.5 Multi Interrupt ............................................................................................................................ 80
11.6 Interrupt Vector & Priority Table ............................................................................................... 81
12. EXTERNAL INTERRUPTS ............................................................................................................. 82
12.1 Registers................................................................................................................................... 82
12.2 Procedure ................................................................................................................................. 85
13. OSCILLATION CIRCUITS .............................................................................................................. 86
13.1 Main Oscillation Circuits ........................................................................................................... 86
13.2 PCB Layout............................................................................................................................... 87
14. BASIC INTERVAL TIMER............................................................................................................... 88
14.1 Registers................................................................................................................................... 89
15. WATCH DOG TIMER...................................................................................................................... 90
15.1 Registers................................................................................................................................... 91
16. Timer 0/1 ......................................................................................................................................... 92
16.1 Registers................................................................................................................................... 92
16.2 Timer 0 8-Bit Mode ................................................................................................................... 96
16.3 Timer 1 8-Bit Mode ................................................................................................................... 98
17. Timer 2 .......................................................................................................................................... 100
17.1 Registers................................................................................................................................. 100
17.2 Timer 2 8-Bit Mode ................................................................................................................. 102
18. High Speed PWM.......................................................................................................................... 104
18.1 Registers................................................................................................................................. 106
19. BUZZER ........................................................................................................................................ 108
19.1 Registers................................................................................................................................. 109
19.2 Frequency table ...................................................................................................................... 110
20. 12-BIT ADC ................................................................................................................................... 111
20.1 Registers................................................................................................................................. 112
20.2 Procedure ............................................................................................................................... 113
20.3 Conversion Timing.................................................................................................................. 113
20.4 Internal Reference Voltage Levels ......................................................................................... 114
20.5 Recommended Circuit ............................................................................................................ 114
21. SERIAL I/O INTERFACE .............................................................................................................. 115
21.1 Registers................................................................................................................................. 116
21.2 Procedure ............................................................................................................................... 117
22. RESET .......................................................................................................................................... 118
22.1 Reset Process ........................................................................................................................ 118
22.2 Reset Sources ........................................................................................................................ 119
22.3 External Reset ........................................................................................................................ 119
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October 19, 2009 Ver.1.35