Renesas H8S/2158 User Manual page 349

Bit Bit Name Initial Value
3 OCFA 0
2 OCFB 0
1 OVF 0
0 CCLRA 0
Note: * Only 0 can be written to clear the flag.
Section 12 16-Bit Free-Running Timer (FRT)
R/W Description
R/(W) * Output Compare Flag A
This status flag indicates that the FRC value matches
the OCRA value.
[Setting condition]
When FRC = OCRA
[Clearing condition]
Read OCFA when OCFA = 1, then write 0 to OCFA
R/(W) * Output Compare Flag B
This status flag indicates that the FRC value matches
the OCRB value.
[Setting condition]
When FRC = OCRB
[Clearing condition]
Read OCFB when OCFB = 1, then write 0 to OCFB
R/(W) * Overflow Flag
This status flag indicates that the FRC has overflowed.
[Setting condition]
When FRC overflows (changes from H'FFFF to H'0000)
[Clearing condition]
Read OVF when OVF = 1, then write 0 to OVF
R/W Counter Clear A
This bit selects whether the FRC is to be cleared at
compare-match A (when the FRC and OCRA values
match).
0: FRC clearing is disabled
1: FRC is cleared at compare-match A
Rev. 3.00 Jan 25, 2006 page 295 of 872
REJ09B0286-0300