Table 2-3 56F8037 Signal and Package Information for the 64-Pin LQFP (Continued)
Signal
Name
LQFP
Pin No.
StateDuring
Reset
Type
Signal Description
GPIOC12
(ANB4)
(RXD1)
9
Input/
Output
Input
Port C GPIO — This GPIO pin can be individually programmed as
an input or output pin.
Analog
Input
ANB4 — Analog input to ADC B, Channel 4.
Input
Receive Data 1 — SCI1 receive data input.
After reset, the default state is GPIOC12.
GPIOC13
(ANB5)
12
62
61
53
Input/
Output
Input
Input
Input
Input
Port C GPIO — This GPIO pin can be individually programmed as
an input or output pin.
Analog
Input
ANB5 — Analog input to ADC B, Channel 5.
After reset, the default state is GPIOC13.
GPIOC14
(ANB6)
Input/
Output
Port C GPIO — This GPIO pin can be individually programmed as
an input or output pin.
Analog
Input
ANB6 — Analog input to ADC B, Channel 6.
After reset, the default state is GPIOC14.
GPIOC15
(ANB7)
Input/
Output
Port C GPIO — This GPIO pin can be individually programmed as
an input or output pin.
Analog
Input
ANB7 — Analog input to ADC B, Channel 7.
After reset, the default state is GPIOC15.
GPIOD4
(EXTAL)
Input/
Output
Port D GPIO — This GPIO pin can be individually programmed as
an input or output pin.
Analog
Input
External Crystal Oscillator Input — This input can be connected to
an 8MHz external crystal. Tie this pin low if XTAL is being driven by
an external clock source.
After reset, the default state is GPIOD4.
Return to Table 2-2
56F8037 Data Sheet, Rev. 3
36
Freescale Semiconductor
Preliminary