HD6433935 Hitachi, HD6433935 Datasheet - Page 461

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

TCSRF—Timer control/status register F
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 conditions:
After reading OVFH = 1, cleared by writing 0 to OVFH
Setting conditions:
Timer overflow interrupt enable H
Set when TCFH overflows from H'FF to H'00
0
1
R/(W) *
Clearing conditions:
After reading CMFH = 1, cleared by writing 0 to CMFH
Setting conditions:
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 conditions:
Setting conditions:
After reading OVFL = 1, cleared by writing 0 to OVFL
Set when TCFL overflows from H'FF to H'00
0
1
R/(W) *
Clearing conditions:
Setting conditions:
CMFH
After reading CMFL = 1, cleared by writing 0 to CMFL
Set when the TCFL value matches the OCRFL value
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
R/(W) *
H'B7
CMFL
2
0
OVIEL
R/W
1
0
CCLRL
Timer F
R/W
0
0
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