Functions; B.2 Functions - Renesas H8 Series Hardware Manual

B.2

Functions

Register name
Register acronym
TCRFTimer Control Register F
Bit numbers
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
TOLH CKSH2 CKSH1 CKSH0
Initial value 0 0 0 0
R/W W W W W
Toggle output level L
Set to low level
0
Set to high level
1
Clock select H
* *
0 16-bit mode, counts on TCFL overflow signal
Internal clock: φ/32
1 0 0
Internal clock: φ/16
1 0 1
Internal clock: φ/4
1 1 0
Internal clock: φ w /4
1 1 1
Toggle output level H
0 Set to low level
1 Set to high level
Appendix B Internal I/O Registers
Address to which the register is mapped.
When displayed with two-digit number,
this indicates the lower address,
and the upper address is HFF.
H'B6
3 2 1 0
TOLL CKSL2 CKSL1 CKSL0
0 0 0 0
W W W W
Clock select L
Counts on external event (TMIF) rising/
* *
0
falling edge
Internal clock: φ/32
1 0 0
Internal clock: φ/16
1 0 1
Internal clock: φ/4
1 1 0
Internal clock: φ w /4
1 1 1
* Don't care
Rev. 7.00 Mar 10, 2005 page 555 of 652
Name of on-chip
supporting module
Timer F
Names of the bits.
Dashes () indicate
reserved bits.
Full name of bit
Descriptions of bit
settings
REJ09B0042-0700