39.3.21 Quadrature Decoder Control And Status (FTMx_QDCTRL)
This register has the control and status bits for the Quadrature Decoder mode.
Address: Base address + 80h offset
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0
PHAFLTREN
PHBFLTREN
PHAPOL
PHBPOL
QUADMODE
QUADIR
TOFDIR
QUADEN
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
FTMx_QDCTRL field descriptions
Field Description
31–8
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
7
PHAFLTREN
Phase A Input Filter Enable
Enables the filter for the quadrature decoder phase A input. The filter value for the phase A input is
defined by the CH0FVAL field of FILTER. The phase A filter is also disabled when CH0FVAL is zero.
0 Phase A input filter is disabled.
1 Phase A input filter is enabled.
Table continues on the next page...
Chapter 39 FlexTimer Module (FTM)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 935