Datasheet

Quadrature Decoder Signals
56F803 Technical Data, Rev. 16
Freescale Semiconductor 15
2.8 Quadrature Decoder Signals
2.9 Serial Communications Interface (SCI) Signals
Table 2-12 Quadrature Decoder (Quad Dec0) Signals
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
1 PHASEA0
TA0
Input
Input/Output
Input
Input
Phase A—Quadrature Decoder #0 PHASEA input
TA0—Timer A Channel 0
1 PHASEB0
TA1
Input
Input/Output
Input
Input
Phase B—Quadrature Decoder #0 PHASEB input
TA1—Timer A Channel 1
1 INDEX0
TA2
Input
Input/Output
Input
Input
Index—Quadrature Decoder #0 INDEX input
TA2—Timer A Channel 2
1 HOME0
TA3
Input
Input/Output
Input
Input
Home—Quadrature Decoder #0 HOME input
TA3—Timer A Channel 3
Table 2-13 Serial Communications Interface (SCI0) Signals
No. of
Pins
Signal
Name
Signal Type
State During
Reset
Signal Description
1 TXD0
GPIOE0
Output
Input/Output
Input
Input
Transmit Data (TXD0)—SCI0 transmit data output
Port E GPIO—This General Purpose I/O (GPIO) pin can be
individually programmed as an input or output pin.
After reset, the default state is SCI output.
1 RXD0
GPIOE1
Input
Input/Output
Input
Input
Receive Data (RXD0)— SCI0 receive data input
Port E GPIO—This General Purpose I/O (GPIO) pin can be
individually programmed as an input or output pin.
After reset, the default state is SCI input.