Renesas 7700 FAMILY User Manual page 481

APPENDIX
Appendix 3. Control registers
Watchdog timer register
b7
Watchdog timer frequency select register
b7 b6 b5 b4 b3 b2
20–30
b0
Watchdog timer register (Address 60
Bit
7 to 0 Initializes the watchdog timer.
When a dummy data is written to this register, the watchdog
timer's value is initialized to "FFF
b1 b0
Watchdog timer frequency select register (Address 61
Bit
Watchdog timer frequency select
0
bit
7 to 1 Nothing is assigned.
7751 Group User's Manual
)
16
Functions
." (Dummy data: 00
16
Bit name
0 : Wf
1 : Wf
to FF )
16 16
)
16
Functions
/ Wf
512 1024
/ Wf
32 64
At reset RW
–
Undefined
RW
At reset
0 RW
–
Undefined