Renesas H8 Series Hardware Manual page 344

Section 9 Timers
Watchdog
on-chip
oscillator
φ
PSS
φ
/32
W
[Legend]
TCSRW: Timer control/status register W
TCW: Timer counter W
TMW: Timer mode register W
PSS: Prescaler S
Register Configuration
Table 9.16 shows the register configuration of the watchdog timer.
Table 9.16 Watchdog Timer Registers
Name
Timer control/status register W
Timer counter W
Timer mode register W *
Clock stop register 2
Port mode register 2
Note: * This register is implemented on the H8/38124 Group only.
Rev. 7.00 Mar 10, 2005 page 302 of 652
REJ09B0042-0700
Figure 9.17(2) Block Diagram of Watchdog Timer
(H8/38124 Group)
Abbr.
TCSRW
TCW
TMW
CKSTPR2
PMR2
TMW
TCSRW
TCW
Interrupt/reset
controller
R/W Initial Value
R/W H'AA
R/W H'00
R/W H'FF
R/W H'FF
R/W H'D8
Internal reset signal or
interrupt request signal
Address
H'FFB2
H'FFB3
H'FFF8
H'FFFB
H'FFC9