Renesas H8 Series Hardware Manual

Section 9 Timers
Rev. 7.00 Mar 10, 2005 page 310 of 652
REJ09B0042-0700
9.6.4 Watchdog Timer Operation States
Table 9.17(1) and table 9.17(2) summarize the watchdog timer operation states for the H8/38024,
H8/38024S, and H8/38024R Group, and for the H8/38124 Group, respectively.
Table 9.17(1) Watchdog Timer Operation States
(H8/38024, H8/38024S, H8/38024R Group)
Operation
Mode Reset Active Sleep Watch Subactive Subsleep Standby
Module
Standby
TCW Reset Functions Functions Halted
Functions/
Halted
*
Halted Halted Halted
TCSRW Reset Functions Functions Retained
Functions/
Halted
*
Retained Retained Retained
Note: * Functions when φw/32 is selected as the input clock.
Table 9.17(2) Watchdog Timer Operation States (H8/38124 Group)
Operation
Mode Reset Active Sleep Watch Subactive Subsleep Standby
Module
Standby
TCW Reset Functions Functions
Functions/
Halted
*
1
Functions/
Halted
*
1
Functions/
Halted
*
1
Functions/
Halted
*
2
Halted
TCSRW Reset Functions Functions
Functions/
Retained
*
1
Functions/
Halted
*
1
Functions/
Retained
*
1
Functions/
Retained
*
2
Retained
TMW Reset Functions Functions
Functions/
Retained
*
1
Functions/
Halted
*
1
Functions/
Retained
*
1
Functions/
Retained
*
2
Retained
Notes: 1. Operates when φw/32 or the on-chip oscillator is selected as the internal clock.
2. Operates only when the on-chip oscillator is selected.

Renesas H8 Series Specifications

General

Brand	Renesas
Model	H8 Series
Category	Computer Hardware
Language	English