hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 344

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 9 Timers
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
φ
W
Watchdog
oscillator
/32
on-chip
φ
[Legend]
TCSRW:
TCW:
TMW:
PSS:
Timer control/status register W
Timer counter W
Timer mode register W
Prescaler S
PSS
Figure 9.17(2) Block Diagram of Watchdog Timer
Abbr.
TCSRW
TCW
TMW
CKSTPR2
PMR2
(H8/38124 Group)
TCSRW
TMW
TCW
R/W
R/W
R/W
R/W
R/W
R/W
Interrupt/reset
controller
Initial Value
H'AA
H'00
H'FF
H'D8
H'FF
Internal reset signal or
interrupt request signal
Address
H'FFB2
H'FFB3
H'FFF8
H'FFFB
H'FFC9