SN8P1700
8-bit micro-controller build-in 12-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 80
Revision 1.93
OSCM – Oscillator Register
Register Name
OSCM
Address 0CAH
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit’s Name
0
WDRST
Wdrate
0
CPUM0
CLKMD
STPHX
0
Read/Write - R/W R/W - R/W
R/W
R/W -
Initial
Value
0 0 0 - 0 0 0 -
Bit7, Bit4, Bit0
Undefined
0
Always write zero.
WDRST
Watchdog Timer Reset Control Bit
0
WDT free run.
1
Clear watchdog timer’s counter.
WDRATE
WDT’s Rate Select Bit.
0
14
th
. Watchdog over flow time = 1 / ( Fcpu
÷
2
14
÷
16 )
1
8
th
. Watchdog over flow time = 1 / ( Fcpu
÷
2
8
÷
16 )
CPUM0
System Operating Mode Select Bit
0
Normal
mode.
1
Power down mode. (Sleep mode)
CLKMD
System High/Low Speed Mode Select Bit
0
Normal mode. (dual clock).
1
Internal low clock. (RC 16KHz, 3V)
STPHX
External High Oscillator Control Bit
0
External high oscillator free run.
1
Stop External high oscillator.