Renesas M16C Series User Manual page 264

M30245 Group
(6) Registers related to the watchdog timer
Figure 2.12.1 shows the memory map of watchdog timer-related registers, and Figure 2.12.2 shows
watchdog timer-related registers.
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Figure 2.12.1. Memory map of watchdog timer-related registers
Watchdog timer control register
b7 b6
0
Watchdog timer start register
b7
Figure 2.12.2. Watchdog timer-related registers
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
000E
16
Watchdog timer start register (WDTS)
000F
16
Watchdog timer control register (WDC)
0010
16
b5 b4 b3 b2 b1 b0
Symbol
0
WDC
Bit symbol
High-order bit of Watchdog timer
Reserved bit
WDC7
b0
Symbol
WDTS
The Watchdog timer is initialized and starts counting after the first write instruction
to this register after reset. Writing any value to this register resets the counter to
7FFF
16 .
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Address When reset
000F 000XXXXX
16
Bit name
Must always be set to "0"
0 : Divided by 16
Prescaler select bit
1 : Divided by 128
Address When reset
000E Indeterminate
16
Function
2. Watchdog Timer
2
Function R W
R W