Renesas Hitachi H8S/2194 Series Hardware Manual page 991

H'D110: Timer Mode Register B TMB: Timer B
7
Bit :
TMB17
0
Initial value :
R/W
R/W :
Auto reload function select bit
0
1
Note: * Only 0 can be written to clear the flag.
H'D111: Timer Counter B TCB: Timer B
Bit :
7
TCB17
Initial value :
0
R/W :
R
Rev. 2.0, 11/00, page 964 of 1037
6 5
TMBIF TMBIE
—
0 0
R/(W) *
R/W
Clock select bit
TMB12
0
0
0
0
1
1
1
1
Note: * External event edge selection is set at PMR51 in port mode register 5
(PMR5).
See section 12.2.4, Port Register 5 (PMR5).
Timer B interrupt enable bit
0 Timer B interrupt request is disabled
1 Timer B interrupt request is enabled
Timer B interrupt request flag
0 [Clearing conditions]
When 0 is written after reading 1
1 [Setting conditions]
When TCB overflows
Interval function is selected
Auto reload function is selected
6 5
TCB16 TCB15 TCB14
0 0
R R
4 3 2
TMB12
—
1 1 0
— —
R/W
TMB11 TMB10
Internal clock: Count at φ/16384
0 0
Internal clock: Count at φ/4096
0 1
Internal clock: Count at φ/1024
1 0
Internal clock: Count at φ/512
1 1
Internal clock: Count at φ/128
0 0
Internal clock: Count at φ/32
0 1
Internal clock: Count at φ/8
1 0
1 1 Count at rising/falling edge of external
event (TMBI)
4 3 2
TCB13 TCB12
0 0 0
R R R
1 0
TMB11 TMB10
0 0
R/W R/W
Clock select
1 0
TCB11 TCB10
0 0
R R