355
TCSRF—Timer control/status register F
H'B7
Timer F
Bit
Initial value
Read/Write
7
OVFH
0
R/(W)
6
CMFH
0
R/(W)
5
OVIEH
0
R/W
4
CCLRH
0
R/W
3
OVFL
0
R/(W)
0
CCLRL
0
R/W
2
CMFL
0
R/(W)
1
OVIEL
0
R/W
Timer overflow flag H
Timer overflow interrupt enable L
0
[Clearing condition]
After reading OVFH = 1, cleared by writing 0 to OVFH
1
[Setting condition]
When the value of TCFH goes from H'FF to H'00
0
TCFL overflow interrupt disabled
1
TCFL overflow interrupt enabled
Timer overflow interrupt enable H
Compare match flag H
0
[Clearing condition]
After reading CMFH = 1, cleared by writing 0 to CMFH
1
[Setting condition]
When the TCFH value matches the OCRFH value
0
TCFH overflow interrupt disabled
1
TCFH overflow interrupt enabled
Counter clear H
0
16-bit mode:
8-bit mode:
1
TCF clearing by compare match disabled
TCFH clearing by compare match disabled
16-bit mode:
8-bit mode:
TCF clearing by compare match enabled
TCFH clearing by compare match enabled
Timer overflow flag L
0
[Clearing condition]
After reading OVFL = 1, cleared by writing 0 to OVFL
1
[Setting condition]
When the value of TCFL goes from H'FF to H'00
Compare match flag L
0
[Clearing condition]
After reading CMFL = 1, cleared by writing 0 to CMFL
1
[Setting condition]
When the TCFL value matches the OCRFL value
Counter clear L
0
TCFL clearing by compare match disabled
1
TCFL clearing by compare match enabled