Bit 4: Timer G interrupt request flag (IRRTG)
Bit 4
IRRTG
Description
0
Clearing conditions:
(initial value)
When IRRTG = 1, it is cleared by writing 0
1
Setting conditions:
When the TMIG pin is designated for TMIG input and the designated signal edge is
input, or when TCG overflows while OVIE is set to 1 in TMG
Bit 3: Timer FH interrupt request flag (IRRTFH)
Bit 3
IRRTFH
Description
0
Clearing conditions:
(initial value)
When IRRTFH = 1, it is cleared by writing 0
1
Setting conditions:
When TCFH and OCRFH match in 8-bit timer mode, or when TCF (TCFL, TCFH) and
OCRF (OCRFL, OCRFH) match in 16-bit timer mode
Bit 2: Timer FL interrupt request flag (IRRTFL)
Bit 2
IRRTFL
Description
0
Clearing conditions:
(initial value)
When IRRTFL= 1, it is cleared by writing 0
1
Setting conditions:
When TCFL and OCRFL match in 8-bit timer mode
Bit 1: Timer C interrupt request flag (IRRTC)
Bit 1
IRRTC
Description
0
Clearing conditions:
(initial value)
When IRRTC= 1, it is cleared by writing 0
1
Setting conditions:
When the timer C counter value overflows (from H'FF to H'00) or underflows
(from H'00 to H'FF)
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