56F8037 Signal Pins
Table 2-3 56F8037 Signal and Package Information for the 64-Pin LQFP (Continued)
Signal
Name
LQFP
Pin No.
StateDuring
Reset
Type
Signal Description
GPIOB12
57
Input/
Input
Port B GPIO — This GPIO pin can be individually programmed as
Output
an input or output pin.
(CANTX29
)
Open Drain
Output
CAN Transmit Data — This is the MSCAN interface output.
After reset, the default state is GPIOB12.
29The CANTX signal is also brought out on the GPIOB8 pin.
GPIOB13
58
Input/
Input
Port B GPIO — This GPIO pin can be individually programmed as
Output
an input or output pin.
(CANRX30
)
Input
CAN Receive Data — This is the MSCAN interface input.
After reset, the default state is GPIOB13.
30The CANRX signal is also brought out on the GPIOB9 pin.
GPIOC0
24
Input/
Input
Port C GPIO — This GPIO pin can be individually programmed as
Output
an input or output pin.
(ANA0 &
CMPAI3)
Analog
Input
ANA0 — Analog input to ADC A, Channel 0.
Comparator A, Input 3 — This is an analog input to Comparator A.
When used as an analog input, the signal goes to both ANA0 and
CMPAI3.
After reset, the default state is GPIOC0.
GPIOC1
(ANA1)
22
20
Input/
Output
Input
Input
Port C GPIO — This GPIO pin can be individually programmed as
an input or output pin.
Analog
Input
ANA1 — Analog input to ADC A, Channel 1.
After reset, the default state is GPIOC1.
GPIOC2
(ANA2)
Input/
Output
Port C GPIO — This GPIO pin can be individually programmed as
an input or output pin.
Analog
Input
ANA2 — Analog input to ADC A, Channel 2.
(VREFHA
)
Analog
Input
VREFHA — Analog reference voltage high (ADC A).
After reset, the default state is GPIOC2.
Return to Table 2-2
56F8037 Data Sheet, Rev. 3
Freescale Semiconductor
Preliminary
33
FREESCALE [ Freescale ]
