SN8A1702AX datasheet(5/112 Pages) SONIX

5 / 112 page

Preliminary

SN8P1702A/SN8P1703A

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD

Page 5

Revision 0.5

OVERVIEW................................................................................................................................. 39

EXTERNAL RESET DESCRIPTION........................................................................................... 40

OSCILLATORS................................................................................................................ 42

OVERVIEW................................................................................................................................. 42

CLOCK BLOCK DIAGRAM ..................................................................................................... 42

OSCM REGISTER DESCRIPTION ......................................................................................... 43

EXTERNAL HIGH-SPEED OSCILLATOR............................................................................... 44

OSCILLATOR MODE CODE OPTION .................................................................................... 44

OSCILLATOR DEVIDE BY 2 CODE OPTION......................................................................... 44

OSCILLATOR SAFE GUARD CODE OPTION ....................................................................... 44

SYSTEM OSCILLATOR CIRCUITS ........................................................................................ 45

External RC Oscillator Frequency Measurement .................................................................... 46

INTERNAL LOW-SPEED OSCILLATOR .................................................................................... 47

SYSTEM MODE DESCRIPTION ................................................................................................ 48

OVERVIEW ............................................................................................................................. 48

NORMAL MODE .....................................................................................................................48

SLOW MODE .......................................................................................................................... 48

GREEN MODE ........................................................................................................................ 48

POWER DOWN MODE........................................................................................................... 48

SYSTEM MODE CONTROL ....................................................................................................... 49

SYSTEM MODE BLOCK DIAGRAM ....................................................................................... 49

SYSTEM MODE SWITCHING ................................................................................................ 50

WAKEUP TIME........................................................................................................................... 51

OVERVIEW ............................................................................................................................. 51

HARDWARE WAKEUP ........................................................................................................... 51

EXTERNAL WAKEUP TRIGGER CONTROL ......................................................................... 52

TIMERS COUNTERS....................................................................................................... 53

WATCHDOG TIMER (WDT) ....................................................................................................... 53

T0M REGISTER............................................................................................................................. 54

TIMER COUNTER 0 (TC0) ......................................................................................................... 55

OVERVIEW ............................................................................................................................. 55

TC0M MODE REGISTER........................................................................................................ 56

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