MC68HC08AZ60 Datasheet, PDF (265/452 Pages) Motorola, Inc – Advance Information

Freescale Semiconductor, Inc.
Timer Interface Module B (TIMB)
I/O Registers
Table 2. Mode, Edge, and Level Selection
MSxB:MSxA
X0
X1
00
00
00
01
01
01
1X
1X
1X
ELSxB:ELSxA
00
00
01
10
11
01
10
11
01
10
11
Mode
Configuration
Output
Preset
Pin under Port Control;
Initialize Timer
Output Level High
Pin under Port Control;
Initialize Timer
Output Level Low
Input
Capture
Capture on Rising Edge Only
Capture on Falling Edge Only
Capture on Rising or Falling Edge
Output
Compare
or PWM
Toggle Output on Compare
Clear Output on Compare
Set Output on Compare
Buffered
Output
Compare
or Buffered
PWM
Toggle Output on Compare
Clear Output on Compare
Set Output on Compare
NOTE: Before enabling a TIMB channel register for input capture operation,
make sure that the PTFx/TBCHx pin is stable for at least two bus clocks.
TOVx — Toggle-On-Overflow Bit
When channel x is an output compare channel, this read/write bit
controls the behavior of the channel x output when the TIMB counter
overflows. When channel x is an input capture channel, TOVx has no
effect. Reset clears the TOVx bit.
1 = Channel x pin toggles on TIMB counter overflow.
0 = Channel x pin does not toggle on TIMB counter overflow.
NOTE: When TOVx is set, a TIMB counter overflow takes precedence over a
channel x output compare if both occur at the same time.
MOTOROLA
MC68HC08AZ60 — Rev 1.0
Timer Interface Module B (TIMB)
265
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