HD6433802H Datasheet, PDF (371/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

B.2 Functions
Register name
Register acronym
Bit numbers
TCRF—Timer Control Register F
Address to which the
register is mapped
H'B6
Initial bit values
Dashes (—) indicate
undefined bits.
Possible types of access
R Read only
W Write only
R/W Read and write
— See relevant register
description
Bit
7
6
5
4
3
2
1
0
TOLH CKSH2 CKSH1 CKSH0 TOLL CKSL2 CKSL1 CKSL0
Initial value 0
0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
W
W
Clock select L
Counts on external event (TMIF) rising/
0 * * _{falling edge}
1 0 0 Internal clock: ø/32
1 0 1 Internal clock: ø/16
1 1 0 Internal clock: ø/4
1 1 1 Internal clock: øw/4
Toggle output level L
0 Set to low level
1 Set to high level
Clock select H
0 * * 16-bit mode, counts on TCFL overflow signal
1 0 0 Internal clock: ø/32
1 0 1 Internal clock: ø/16
1 1 0 Internal clock: ø/4
1 1 1 Internal clock: øw/4
Toggle output level H
0 Set to low level
1 Set to high level
* Don’t care
Timer F
Name of on-chip
supporting module
Names of the bits.
Dashes (—) indicate
reserved bits.
Full name of bit
Descriptions of bit
settings
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