Signal Pins
Table 2-2 Signal and Package Information for the 128-Pin LQFP
State
During
Reset
Signal
Name
Pin No.
Type
Signal Description
Index — Quadrature Decoder 0, INDEX input
TA2 — Timer A, Channel 2
INDEX0
(TA2)
1
Schmitt
Input
Input,
pull-up
enabled
Schmitt
Input/
Output
(GPIOC6)
Schmitt
Input/
Port C GPIO — This GPIO pin can be individually programmed
as an input or output pin.
Output
After reset, the default state is INDEX0.
To deactivate the internal pull-up resistor, clear bit 6 of the
GPIOC_PUR register.
HOME0
(TA3)
2
Schmitt
Input
Input,
pull-up
enabled
Home — Quadrature Decoder 0, HOME input
Schmitt
Input/
TA3 — Timer A ,Channel 3
Output
(GPIOC7)
Schmitt
Input/
Port C GPIO — This GPIO pin can be individually programmed
as an input or output pin.
Output
After reset, the default state is HOME0.
To deactivate the internal pull-up resistor, clear bit 7 of the
GPIOC_PUR register.
SCLK0
124
Schmitt
Input/
Output
Input,
pull-up
enabled
SPI 0 Serial Clock — In the master mode, this pin serves as an
output, clocking slaved listeners. In slave mode, this pin serves
as the data clock input.
(GPIOE4)
Schmitt
Input/
Port E GPIO — This GPIO pin can be individually programmed
as an input or output pin.
Output
After reset, the default state is SCLK0.
To deactivate the internal pull-up resistor, clear bit 4 in the
GPIOE_PUR register.
56F8345 Technical Data, Rev. 17
Freescale Semiconductor
Preliminary
27
FREESCALE [ Freescale ]
