H83637S Datasheet, PDF (221/418 Pages) Renesas Technology Corp – 8-Bit Microcomputer

Block Diagram: Figure 9.18 shows a block diagram of the watchdog timer.
TCSRW
ø/8192
ø
PSS
TCSRW
Legend:
TCSRW: Timer control/status register W
TCW: Timer counter W
PSS: Prescaler S
Internal reset
signal
Figure 9.18 Block Diagram of Watchdog Timer
Register Configuration: Table 9.17 shows the watchdog timer register configuration.
Table 9.17 Watchdog Timer Registers
Name
Abbrev.
R/W
Timer control/status register W TCSRW
R/W
Timer counter W
TCW
R/W
Initial Value
H'AA
H'00
Address
H'FFB4
H'FFB5
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