Hitachi F-ZTAT H8/3039 Series Hardware Manual page 616

TSR0—Timer Status Register 0
Bit
Initial value
Read/Write
Overflow flag
0 [Clearing condition]
1 [Setting condition]
Note: * Only 0 can be written to clear the flag.
610
7 6
— —
1 1
— —
Input capture/compare match flag A
0 [Clearing condition]
Read IMFA when IMFA = 1, then write 0 in IMFA
1 [Setting conditions]
TCNT = GRA when GRA functions as a compare
match register.
TCNT value is transferred to GRA by an input capture
signal, when GRA functions as an input capture register.
Input capture/compare match flag B
0 [Clearing condition]
Read IMFB when IMFB = 1, then write 0 in IMFB
1 [Setting conditions]
TCNT = GRB when GRB functions as a compare
match register.
TCNT value is transferred to GRB by an input capture
signal, when GRB functions as an input capture register.
Read OVF when OVF = 1, then write 0 in OVF
TCNT overflowed from H'FFFF to H'0000
5 4
— —
1 1
— —
H'67
3 2
— OVF IMFB
1 0
— R/(W) R/(W)
*
ITU0
1 0
IMFA
0 0
R/(W)
* *