h8s-2111b Renesas Electronics Corporation., h8s-2111b Datasheet - Page 199

• Manufacturer Part Number: h8s-2111b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Note:
Bit
3
2
1
0
*
Bit Name
OCFA
OCFB
OVF
CCLRA
Only 0 can be written to clear the flag.
Initial
Value
0
0
0
0
R/W
R/(W)*
R/(W)*
R/(W)*
R/W
Description
Output Compare Flag A
This status flag indicates that the FRC value matches
the OCRA value. Only 0 can be written to this bit to
clear the flag.
[Setting condition]
When FRC = OCRA
[Clearing condition]
Read OCFA when OCFA = 1, then write 0 to OCFA
Output Compare Flag B
This status flag indicates that the FRC value matches
the OCRB value. Only 0 can be written to this bit to
clear the flag.
[Setting condition]
When FRC = OCRB
[Clearing condition]
Read OCFB when OCFB = 1, then write 0 to OCFB
Timer Overflow
This status flag indicates that the FRC has overflowed.
Only 0 can be written to this bit to clear the flag.
[Setting condition]
When FRC overflows (changes from H'FFFF to
H'0000)
[Clearing condition]
Read OVF when OVF = 1, then write 0 to OVF
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. 1.00, 05/04, page 165 of 544