HD6433937 Datasheet, PDF (460/521 Pages) Hitachi Semiconductor – Hardware Manual

TCRF—Timer control register F
H'B6
Timer F
Bit
Initial value
Read/Write
7
TOLH
0
W
6
5
4
CKSH2 CKSH1 CKSH0
0
0
0
W
W
W
3
TOLL
0
W
2
CKSL2
0
W
1
CKSL1
0
W
0
CKSL0
0
W
Clock select L
00_*
010
Counting on external event (TMIF)
rising/falling edge
0 1 1 Not available
100
101
Internal clock ø/32
Internal clock ø/16
1 1 0 Internal clock ø/4
1 1 1 Internal clock øw/4
Toggle output level L
* Don’t care
0 Low level
1 High level
Clock select H
0 0 _{* 16-bit mode, counting on TCFL}
0 1 0 overflow signal
011
100
101
110
Not available
Internal clock ø/32
Internal clock ø/16
Internal clock ø/4
1 1 1 Internal clock øw/4
Toggle output level H
0 Low level
1 High level
* Don’t care
448