Datasheet

Section 19 Watchdog Timer (WDT)
REJ09B0465-0300 Rev. 3.00 Page 671 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
19.2.5 Timer Interrupt Flag Register WD (TIFRWD)
Address:
Bit:
Value after reset:
b7
IWF
0
b6
⎯
1
b5
⎯
1
b4
⎯
1
b3
⎯
1
b2
⎯
1
b1
⎯
1
b0
⎯
1
H'FFFF9C
Bit Symbol Bit Name Description R/W
7 IWF WDT periodic
interrupt
request flag
0: No periodic interrupt request
1: Periodic interrupt request is generated.
[Setting condition]
• When the upper two bits in the timer counter WD
agree with the value set by the INTSEL[1:0] bits in
TICRWD.
[Clearing condition]
• When 0 is written to IWF after reading IWF = 1.
R/W
6 to 0 ⎯ Reserved These bits are read as 1. The write value should
always be 1.
⎯