Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 641

Bit Bit Name
6 CMFA
5 OVF
4 ADTE
3 OS3
2 OS2
Initial Value R/W
0 R/(W)*
0 R/(W)*
0 R/W
0 R/W
0 R/W
Description
Compare Match Flag A
[Setting condition]
•
Set when TCNT matches TCORA
[Clearing conditions]
•
Cleared by reading CMFA when CMFA = 1,
then writing 0 to CMFA
•
When DTC is activated by CMIA interrupt
while DISEL bit of MRB in DTC is 0
Timer Overflow Flag
[Setting condition]
Set when TCNT overflows from H'FF to H'00
[Clearing condition]
Cleared by reading OVF when OVF = 1, then
writing 0 to OVF
A/D Trigger Enable
Selects enabling or disabling of A/D converter
start requests by compare match A.
0: A/D converter start requests by compare
match A are disabled
1: A/D converter start requests by compare
match A are enabled
Output Select 3 and 2
These bits select a method of TMO pin output
when compare match B of TCORB and TCNT
occurs.
00: No change when compare match B occurs
01: 0 is output when compare match B occurs
10: 1 is output when compare match B occurs
11: Output is inverted when compare match B
occurs (toggle output)
Rev. 1.0, 09/01, page 597 of 904