
10. Timer0/1/2/3
MC97F6108A User’s manual
90
10.6
Register description
TxCR (Timer0/1/23 Mode Control Register): T0CR(B2H), T1CR(BAH), T2CR(C2H), T3CR(CAH)
7
6
5
4
3
2
1
0
TxEN
PWMxE
CAPx
TxCK2
TxCK1
TxCK0
TxCN
TxST
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value: 00
H
TxEN
Control Timer X
0
0
1
Timer X enable
PWMxE
Control PWM enable
0
PWM disable
1
PWM enable
CAPx
Control Timer X capture mode.
0
Timer/Counter mode
1
Capture mode
TxCK[2:0]
Select clock source of Timer X. Fx is the frequency of main system
TxCK2
TxCK1
TxCK0
description
0
0
0
f
X
0
0
1
f
X
/4
0
1
0
f
X
/8
0
1
1
f
X
/16
1
0
0
f
X
/64
1
0
1
f
X
/256
1
1
0
f
X
/1024
1
1
1
f
X
/2048
TxCN
Control Timer X Count pause/continue.
0
Temporary count stop
1
Continue count
TxST
Control Timer X start/stop
0
Counter stop
1
Clear counter and start
NOTE
: Set TxST bit after writing Tx, PWMx and CDRx registers.