Datasheet

Section 9 Timers
Rev. 8.00 Mar. 09, 2010 Page 303 of 658
REJ09B0042-0800
Block Diagram
Figures 9.17(1) and 9.17(2) show a block diagram of the watchdog timer.
PSS
TCSRW
TCW
φ/8192
[Legend]
TCSRW:
TCW:
PSS:
φ
φ
W
/32
Internal data bus
Reset
signal
Timer control/status register W
Timer counter W
Prescaler S
Figure 9.17(1) Block Diagram of Watchdog Timer
(H8/38024, H8/38024S, H8/38024R Group)