HD6433832S Datasheet, PDF (500/560 Pages) Renesas Technology Corp – single-chip microcomputers

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)*
2
CMFL
0
R/(W)*
1
OVIEL
0
R/W
0
CCLRL
0
R/W
Timer overflow interrupt enable L
0 TCFL overflow interrupt disabled
1 TCFL overflow interrupt enabled
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
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
Counter clear H
0 16-bit mode: TCF clearing by compare match disabled
8-bit mode: TCFH clearing by compare match disabled
1 16-bit mode: TCF clearing by compare match enabled
8-bit mode: TCFH clearing by compare match enabled
Timer overflow interrupt enable H
0 TCFH overflow interrupt disabled
1 TCFH overflow interrupt enabled
Compare match flag H
Counter clear L
0 TCFL clearing by compare match disabled
1 TCFL clearing by compare match enabled
0 [Clearing condition]
After reading CMFH = 1, cleared by writing 0 to CMFH
1 [Setting condition]
When the TCFH value matches the OCRFH value
Timer overflow flag H
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
Note: * Only a write of 0 for flag clearing is possible.
485