SN8P2602BP 查看數據表（PDF） - Sonix Technology Co., Ltd
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SN8P2602BP Datasheet PDF : 95 Pages
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SN8P2602B
8-Bit Micro-Controller
3.1 OVERVIEW..................................................................................................................................... 36
3.2 POWER ON RESET......................................................................................................................... 37
3.3 WATCHDOG RESET...................................................................................................................... 37
3.4 BROWN OUT RESET ..................................................................................................................... 38
3.4.1 BROWN OUT DESCRIPTION ................................................................................................. 38
3.4.2 THE SYSTEM OPERATING VOLTAGE DECSRIPTION........................................................ 39
3.4.3 BROWN OUT RESET IMPROVEMENT.................................................................................. 39
3.5 EXTERNAL RESET ........................................................................................................................ 42
3.6 EXTERNAL RESET CIRCUIT ....................................................................................................... 42
3.6.1 Simply RC Reset Circuit ........................................................................................................... 42
3.6.2 Diode & RC Reset Circuit ........................................................................................................ 43
3.6.3 Zener Diode Reset Circuit ........................................................................................................ 43
3.6.4 Voltage Bias Reset Circuit........................................................................................................ 44
3.6.5 External Reset IC...................................................................................................................... 45
44 SYSTEM CLOCK .................................................................................................................................. 46
4.1 OVERVIEW..................................................................................................................................... 46
4.2 CLOCK BLOCK DIAGRAM .......................................................................................................... 46
4.3 OSCM REGISTER ........................................................................................................................... 47
4.4 SYSTEM HIGH CLOCK ................................................................................................................. 48
4.4.1 EXTERNAL HIGH CLOCK...................................................................................................... 48
4.4.1.1 CRYSTAL/CERAMIC......................................................................................................... 49
4.4.1.2 RC......................................................................................................................................... 49
4.4.1.3 EXTERNAL CLOCK SIGNAL........................................................................................... 50
4.5 SYSTEM LOW CLOCK .................................................................................................................. 51
4.5.1 SYSTEM CLOCK MEASUREMENT ........................................................................................ 52
55 SYSTEM OPERATION MODE ........................................................................................................... 53
5.1 OVERVIEW..................................................................................................................................... 53
5.2 SYSTEM MODE SWITCHING....................................................................................................... 54
5.3 WAKEUP ......................................................................................................................................... 56
5.3.1 OVERVIEW .............................................................................................................................. 56
5.3.2 WAKEUP TIME........................................................................................................................ 56
5.3.3 P1W WAKEUP CONTROL REGISTER ................................................................................... 57
66 INTERRUPT........................................................................................................................................... 58
6.1 OVERVIEW..................................................................................................................................... 58
6.2 INTEN INTERRUPT ENABLE REGISTER................................................................................... 59
6.3 INTRQ INTERRUPT REQUEST REGISTER ................................................................................ 60
6.4 GIE GLOBAL INTERRUPT OPERATION .................................................................................... 60
6.5 PUSH, POP ROUTINE .................................................................................................................... 61
SONiX TECHNOLOGY CO., LTD
Page 4
Preliminary Version 0.4
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