HD6417727BP160CV Datasheet, PDF (329/1098 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/ SH7700 Series

10.6 Overview of the WDT
10.6.1 Block Diagram of the WDT
Figure 10.2 shows a block diagram of the WDT.
Section 10 On-Chip Oscillation Circuits
Standby
cancellation
Internal
reset
request
Interrupt
request
Standby
control
WDT
Reset
control
Interrupt
control
Clock selection
Overflow
Divider
Clock selector
Clock
WTCSR
WTCNT
Standby
mode
Peripheral
clock
Bus interface
Legend:
WTCSR: Watchdog timer control/status register
WTCNT: Watchdog timer counter
Internal bus
Figure 10.2 Block Diagram of the WDT
Rev.6.00 Mar. 27, 2009 Page 271 of 1036
REJ09B0254-0600