SN8P1600
7
7
7
8-bit micro-controller
SONiX TECHNOLOGY CO., LTD
Page 5
Revision 1.94
OSCILLATORS............................................................................................................................. 41
OVERVIEW................................................................................................................................................. 41
CLOCK BLOCK DIAGRAM .................................................................................................................... 41
OSCM REGISTER DESCRIPTION.......................................................................................................... 42
EXTERNAL HIGH-SPEED OSCILLATOR.............................................................................................. 43
OSCILLATOR MODE CODE OPTION................................................................................................... 43
OSCILLATOR DEVIDE BY 2 CODE OPTION........................................................................................ 43
OSCILLATOR SAFE GUARD CODE OPTION....................................................................................... 43
SYSTEM OSCILLATOR CIRCUITS......................................................................................................... 44
External RC Oscillator Frequency Measurement.................................................................................... 45
INTERNAL LOW-SPEED OSCILLATOR................................................................................................. 46
SYSTEM MODE DESCRIPTION............................................................................................................... 47
OVERVIEW .............................................................................................................................................. 47
NORMAL MODE...................................................................................................................................... 47
SLOW MODE........................................................................................................................................... 47
POWER DOWN MODE ........................................................................................................................... 47
SYSTEM MODE CONTROL...................................................................................................................... 48
SYSTEM MODE SWITCHING................................................................................................................. 49
WAKEUP TIME .......................................................................................................................................... 50
OVERVIEW .............................................................................................................................................. 50
HARDWARE WAKEUP............................................................................................................................ 50
8
8
8
TIMERS .......................................................................................................................................... 51
WATCHDOG TIMER (WDT)..................................................................................................................... 51
TIMER0 (TC0) (SN8P1602/1603 O
NLY
) .................................................................................................... 52
OVERVIEW .............................................................................................................................................. 52
TC0M MODE REGISTER........................................................................................................................ 53
TC0C COUNTING REGISTER................................................................................................................ 54
TC0 TIMER OPERATION SEQUENCE .................................................................................................. 55
TIMER1 (TC1) (SN8P1604 O
NLY
).............................................................................................................. 56
OVERVIEW .............................................................................................................................................. 56
TC1M MODE REGISTER........................................................................................................................ 57
TC1C COUNTING REGISTER................................................................................................................ 58