Renesas M16C Series User Manual

Watchdog Timer
M30240 Group
Rev.1.00 Sep 24, 2003 Page 266 of 360
2.9.1.6 Related Registers
Figure 2.110 shows the memory map of Watchdog timer-related registers, and Figure 2.111 shows the
Watchdog timer-related registers.
Figure 2.110: Memory map of Watchdog timer related registers
Figure 2.111: Watchdog timer-related registers
000E16
000F16
Watchdog timer start register (WDTS)
Watchdog timer control register (WDC)
Watchdog timer control register
Symbol
Address
When reset
WDC
000F
16
000XXXXX
2
FunctionBit symbol WR
b7 b6 b5 b4 b3 b2 b1 b0
High-order bit of watchdog timer
WDC7
Bit name
Prescaler select bit
0 : Divided by 16
1 : Divided by 128
Watchdog timer start register
Symbol
Address When reset
WDTS
000E
16 Indeterminate
WR
b7 b0
Function
The watchdog timer is initialized and starts counting after a write instruction to
this register. The watchdog timer value is always initialized to “7FFF
16”
regardless of whatever value is written.
Reserved bit
Must always be set to “0”
00

Renesas M16C Series Specifications

General

Brand	Renesas
Model	M16C Series
Category	Computer Hardware
Language	English