hd64338342hw Renesas Electronics Corporation., hd64338342hw Datasheet - Page 630

• Manufacturer Part Number: hd64338342hw
• Description: Renesas 8-bit Single-chip Microcomputer H8 Family/h8/300l Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Registers
TCSRF—Timer Control/Status Register F
Rev. 6.00 Aug 04, 2006 page 594 of 680
REJ09B0145-0600
Bit
Initial value
Read/Write
Note: * Bits 7, 6, 3, and 2 can only be written with 0, for flag clearing.
Timer overflow flag H
0
1
Compare match flag H
0
1
[Clearing condition]
After reading OVFH = 1, cleared by writing 0 to OVFH
[Setting condition]
Set when TCFH overflows from H'FF to H'00
Timer overflow interrupt enable H
0
1
R/(W) *
[Clearing condition]
After reading CMFH = 1, cleared by writing 0 to CMFH
[Setting condition]
Set when the TCFH value matches the OCRFH value
OVFH
Counter clear H
0
1
TCFH overflow interrupt request is disabled
TCFH overflow interrupt request is enabled
7
0
Timer overflow flag L
0
1
16-bit mode: TCF clearing by compare match is disabled
16-bit mode: TCF clearing by compare match is enabled
Compare match flag L
8-bit mode: TCFH clearing by compare match is disabled
8-bit mode: TCFH clearing by compare match is enabled
0
1
Timer overflow interrupt enable L
[Clearing condition]
After reading OVFL = 1, cleared by writing 0 to OVFL
[Setting condition]
Set when TCFL overflows from H'FF to H'00
0
1
R/(W) *
[Clearing condition]
After reading CMFL = 1, cleared by writing 0 to CMFL
[Setting condition]
Set when the TCFL value matches the OCRFL value
CMFH
Counter clear L
0
1
TCFL overflow interrupt request is disabled
TCFL overflow interrupt request is enabled
6
0
TCFL clearing by compare match is disabled
TCFL clearing by compare match is enabled
OVIEH
R/W
5
0
CCLRH
R/W
4
0
R/(W) *
OVFL
3
0
H'B7
R/(W) *
CMFL
2
0
OVIEL
R/W
1
0
CCLRL
Timer F
R/W
0
0