The WDT has the following features
•
Can be used to secure clock stabilization time
Used when exiting standby mode or a temporary standby state when the clock frequency is
changed.
•
•
Can be switched between watchdog timer mode and interval timer mode
Internal reset generation in watchdog timer mode
An internal reset is executed on counter overflow.
Power-on reset or manual reset can be selected.
Interrupt generation in interval timer mode
•
•
An interval timer interrupt is generated on counter overflow.
Selection of eight counter input clocks
Any of eight clocks can be selected, scaled from the ×1 clock of frequency divider 2 shown in
figure 10.1.
The CPG is described in sections 10.2 to 10.6, and the WDT in sections 10.7 to 10.9.
Rev. 6.0, 07/02, page 248 of 986
RENESAS [ RENESAS TECHNOLOGY CORP ]
