Information

The selection of the loading point, CNTMAX and CNTMIN
bits, is intended to provide the update of MOD, CNTIN, and
CnV registers across all enabled channels simultaneously. The
use of the loading point selection together with SYNCMODE =
0 and hardware trigger selection, TRIG0, TRIG1, or TRIG2
bits, is likely to result in unpredictable behavior.
The synchronization event selection also depends on the
PWMSYNC (MODE register) and SYNCMODE (SYNCONF
register) bits. See PWM synchronization.
Addresses: FTM0_SYNC is 4003_8000h base + 58h offset = 4003_8058h
FTM1_SYNC is 4003_9000h base + 58h offset = 4003_9058h
Bit 31 30 29 28 27 26 25 24
R
0
W
Reset
0 0 0 0 0 0 0 0
Bit
23 22 21 20 19 18 17 16
R
0
W
Reset
0 0 0 0 0 0 0 0
Bit
15 14 13 12 11 10 9 8
R
0
W
Reset
0 0 0 0 0 0 0 0
Bit
7 6 5 4 3 2 1 0
R
SWSYNC TRIG2 TRIG1 TRIG0 SYNCHOM REINIT CNTMAX CNTMIN
W
Reset
0 0 0 0 0 0 0 0
FTMx_SYNC field descriptions
Field Description
31–8
Reserved
This read-only field is reserved and always has the value zero.
7
SWSYNC
PWM Synchronization Software Trigger
Selects the software trigger as the PWM synchronization trigger. The software trigger happens when a 1
is written to SWSYNC bit.
0 Software trigger is not selected.
1 Software trigger is selected.
6
TRIG2
PWM Synchronization Hardware Trigger 2
Enables hardware trigger 2 to the PWM synchronization. Hardware trigger 2 happens when a rising edge
is detected at the trigger 2 input signal.
Table continues on the next page...
Chapter 35 FlexTimer Module (FTM)
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
Freescale Semiconductor, Inc. 709