Information

defined for each pair of channels. Since there are several FAULTj inputs, maximum of 4
for the FTM module, each one of these inputs is activated by the FAULTjEN bit in the
FLTCTRL register.
37.2.4 PHA — FTM Quadrature Decoder Phase A Input
The quadrature decoder phase A input is used as the quadrature decoder mode is selected.
The phase A input signal is one of the signals that control the FTM counter increment or
decrement in the quadrature decoder mode (Quadrature Decoder Mode).
37.2.5 PHB — FTM Quadrature Decoder Phase B Input
The quadrature decoder phase B input is used as the quadrature decoder mode is selected.
The phase B input signal is one of the signals that control the FTM counter increment or
decrement in the quadrature decoder mode (Quadrature Decoder Mode).
37.3 Memory Map and Register Definition
This section provides a detailed description of all FTM registers.
37.3.1 Module Memory Map
This section presents a high-level summary of the FTM registers and how they are
mapped.
The first set has the original TPM registers.
The second set has the FTM specific registers. Any second set registers (or bits within
these registers) that are used by an unavailable function in the FTM configuration remain
in the memory map and in the reset value, so they have no active function.
Note
Do not write to the FTM specific registers (second set registers)
when FTMEN = 0.
Chapter 37 FlexTimer (FTM)
K10 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc. 883