mcf51ac256a Freescale Semiconductor, Inc, mcf51ac256a Datasheet - Page 260

• Manufacturer Part Number: mcf51ac256a
• Description: Mcf51ac Flexis
• Manufacturer: Freescale Semiconductor, Inc

FlexTimer Module (FTMV1)
11.4.12 Deadtime insertion
The deadtime insertion is enabled when (DTEN = 1) and (DTVAL[5:0] is non- zero).
11-60
and TRIG[2:0])
FTMxMODH:L
FTMxCNTINH
FTMxCNTH:L
FTMxOUTMA
FTMxCnVH:L
Register or
(SWSYNC
Triger bit
SK
bit
:L
REINIT
X
X
X
0
0
1
0
0
1
1
0
0
1
MCF51AC256 ColdFire Integrated Microcontroller Reference Manual, Rev. 5
Table 11-23. Update the registers and bits by PWM synchronization
SYNCH
OM
X
X
X
X
X
X
X
X
X
X
X
0
1
CNTMA
X
X
X
X
X
X
X
X
1
0
1
0
1
0
CNTMIN
X
0
1
X
0
1
X
X
X
X
0
1
X
SYNCE
N
X
X
X
X
X
X
X
X
X
X
1
1
1
after the selected synchronization trigger has occurred.
after the selected synchronization trigger has occurred.
after the selected synchronization trigger has occurred.
after the selected synchronization trigger has occurred.
value when the selected synchronization trigger occurs.
Selected synchronization trigger bit is cleared when the
Selected synchronization trigger bit is cleared when the
Selected synchronization trigger bit is cleared when the
contents when the counter reaches its maximum value
contents when the counter reaches its maximum value
contents when the counter reaches its minimum value
contents when the counter reaches its minimum value
counter reaches its maximum value after the selected
counter reaches its minimum value after the selected
Changes take effect after the second byte is written.
Changes to FTMxOUTMASK take effect on the next
contents when the selected synchronization trigger
contents when the selected synchronization trigger
contents when the selected synchronization trigger
FTMxCNTH:L are forced to the FTM counter initial
FTMxMODH:L are updated with their write buffer
FTMxMODH:L are updated with their write buffer
FTMxMODH:L are updated with their write buffer
FTMxCnVH:L are updated with their write buffer
FTMxCnVH:L are updated with their write buffer
FTMxCnVH:L are updated with their write buffer
FTMxOUTMASK is updated with its write buffer
synchronization trigger occurs if REINIT = 1.
Effect is seen after the next TOF or selected
selected synchronization trigger occurs.
synchronization trigger has occurred.
synchronization trigger has occurred.
rising edge of the system clock.
Description
occurs.
occurs.
occurs.
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