Chapter 14 Enhanced Capture Timer (ECT16B8CV3)
MC9S12XE-Family Reference Manual Rev. 1.19
Freescale Semiconductor
537
14.3.2.8
Timer Control Register 1/Timer Control Register 2 (TCTL1/TCTL2)
Read or write: Anytime
All bits reset to zero.
NOTE
To enable output action by OMx and OLx bits on timer port, the
corresponding bit in OC7M should be cleared.
Module Base + 0x0008
7
6
5
4
3
2
1
0
R
OM7
OL7
OM6
OL6
OM5
OL5
OM4
OL4
W
Reset
0
0
0
0
0
0
0
0
Figure 14-11. Timer Control Register 1 (TCTL1)
Module Base + 0x0009
7
6
5
4
3
2
1
0
R
OM3
OL3
OM2
OL2
OM1
OL1
OM0
OL0
W
Reset
0
0
0
0
0
0
0
0
Figure 14-12. Timer Control Register 2 (TCTL2)
Table 14-9. TCTL1/TCTL2 Field Descriptions
Field
Description
OM[7:0]
7, 5, 3, 1
OMx — Output Mode
OLx — Output Level
These eight pairs of control bits are encoded to specify the output action to be taken as a result of a successful
OCx compare. When either OMx or OLx is one, the pin associated with OCx becomes an output tied to OCx.
See
OL[7:0]
6, 4, 2, 0
Table 14-10. Compare Result Output Action
OMx
OLx
Action
0
0
No output compare
action on the timer output signal
0
1
Toggle OCx output line
1
0
Clear OCx output line to zero
1
1
Set OCx output line to one
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International
Trade
Commission,
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