Datasheet

Section 11 16-Bit Free-Running Timer
Rev. 4.00 Jun 06, 2006 page 281 of 1004
REJ09B0301-0400
Bit 2—Output Compare Flag B (OCFB): This status flag indicates that the FRC value matches
the OCRB value. This flag must be cleared by software. It is set by hardware, however, and cannot
be set by software.
Bit 2
OCFB Description
0 [Clearing condition]
Read OCFB when OCFB = 1, then write 0 in OCFB
(Initial value)
1 [Setting condition]
When FRC = OCRB
Bit 1—Timer Overflow Flag (OVF): This status flag indicates that the FRC has overflowed
(changed from H'FFFF to H'0000). This flag must be cleared by software. It is set by hardware,
however, and cannot be set by software.
Bit 1
OVF Description
0 [Clearing condition]
Read OVF when OVF = 1, then write 0 in OVF
(Initial value)
1 [Setting condition]
When FRC changes from H'FFFF to H'0000
Bit 0—Counter Clear A (CCLRA): This bit selects whether the FRC is to be cleared at compare-
match A (when the FRC and OCRA values match).
Bit 0
CCLRA Description
0 FRC clearing is disabled (Initial value)
1 FRC is cleared at compare-match A