R01UH0092EJ0110 Rev.1.10
Page 228 of 807
Jul 31, 2012
M16C/64C Group
15. Watchdog Timer
15.2.5
Watchdog Timer Control Register (WDC)
WDC4-WDC0 (b4-b0)
When reading the watchdog timer value while the CSPRO bit in the CSPR register is 1 (count source
protection mode enabled), read bits WDC4 to WDC0 more than three times to determine the values.
b7
0
b6 b5 b4
b1
b2
b3
Watchdog Timer Control Register
Symbol
WDC
Address
037Fh
Bit Symbol
Bit Name
RW
WDC0
Reset Value
00XX XXXXb
b0
Function
—
(b5)
—
(b6)
Higher-order bits (b14 to b10) of the watchdog timer can be read
WDC7
RW
Reserved bit
Prescaler select bit
RW
RO
Set to 0
0 : Divide-by-16
1 : Divide-by-128
No register bit. If necessary, set to 0. The read value is undefined.
WDC1
WDC2
WDC3
WDC4
RO
RO
RO
RO
—
Содержание M16C Series
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