Table 12-73. Mode, edge, and level selection (continued)
DECAPEN
COMBINE
CPWMS
MSnB:MSnA
ELSnB:ELSnA
Mode
Configuration
10
Capture on
Falling Edge
Only
11
Capture on
Rising or Falling
Edge
01
01
Output compare
Toggle Output
on match
10
Clear Output on
match
11
Set Output on
match
1X
10
Edge-aligned
PWM
High-true pulses
(clear Output on
match)
X1
Low-true pulses
(set Output on
match)
1
XX
10
Center-aligned
PWM
High-true pulses
(clear Output on
match-up)
X1
Low-true pulses
(set Output on
match-up)
1
0
XX
10
Combine PWM High-true pulses
(set on channel
(n) match, and
clear on channel
(n+1) match)
X1
Low-true pulses
(clear on
channel (n)
match, and set
on channel (n
+1) match)
1
0
0
X0
See the
following table.
Dual Edge
Capture Mode
One-shot
capture mode
X1
Continuous
capture mode
Table 12-74. Dual edge capture mode — edge polarity selection
ELSnB
ELSnA
Channel Port Enable
Detected Edges
0
0
Disabled
No edge
0
1
Enabled
Rising edge
1
0
Enabled
Falling edge
1
1
Enabled
Rising and falling edges
Chapter 12 FlexTimer Module (FTM)
MC9S08PT60 Reference Manual, Rev. 4, 08/2014
Freescale Semiconductor, Inc.
313
Содержание MC9S08PT60
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