H8S2199R Datasheet, PDF (1118/1222 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

Appendix B Internal I/O Registers
H'D110: Timer Mode Register B TMB: Timer B
Bit
:
7
6
5
4
TMB17 TMBIF TMBIE
—
Initial value :
0
0
0
1
R/W
: R/W R/(W)* R/W
—
3
2
1
0
—
TMB12 TMB11 TMB10
1
0
0
0
—
R/W
R/W
R/W
Clock select bit
TMB12
0
0
0
0
1
1
1
1
TMB11
0
0
1
1
0
0
1
1
TMB10
0
1
0
1
0
1
0
1
Clock select
Internal clock: Count at φ/16384 (Initial value)
Internal clock: Count at φ/4096
Internal clock: Count at φ/1024
Internal clock: Count at φ/512
Internal clock: Count at φ/128
Internal clock: Count at φ/32
Internal clock: Count at φ/8
Count at rising/falling edge of external
event (TMBI)*
Note: * External event edge selection is set at PMRA6 in port mode register A
(PMRA).
See section 12.2.4, Port Mode Register A (PMRA).
Timer B interrupt enable bit
0
Timer B interrupt request is disabled
1
Timer B interrupt request is enabled
(Initial value)
Timer B interrupt request flag
0
[Clearing condition]
(Initial value)
When 0 is written after reading 1
1
[Setting condition]
When TCB overflows
Auto reload function select bit
0
Interval function is selected
1
Auto reload function is selected
(Initial value)
Note: * Only 0 can be written to clear the flag.
H'D111: Timer Counter B TCB: Timer B
Bit :
Initial value :
R/W :
7
TCB17
0
R
6
TCB16
0
R
5
TCB15
0
R
4
TCB14
0
R
3
TCB13
0
R
2
TCB12
0
R
1
TCB11
0
R
0
TCB10
0
R
Rev.2.00 Jan. 15, 2007 page 1074 of 1174
REJ09B0329-0200