56F8027 datasheet(39/181 Pages) FREESCALE

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56F8037/56F8027 Signal Pins

56F8037/56F8027 Data Sheet, Rev. 6

Freescale Semiconductor

GPIOD5

(XTAL)

(CLKIN)

Input/

Output

Analog

Input/

Output

Input

Port D GPIO — This GPIO pin can be individually programmed as

an input or output pin.

External Crystal Oscillator Output — This output connects the

internal crystal oscillator output to an external crystal.

External Clock Input — This pin serves as an external clock input.

After reset, the default state is GPIOD5.

GPIOD6

(DAC0)

Input/

Output

Analog

Input

Input,

internal

pull-up

enabled

Port D GPIO — This GPIO pin can be individually programmed as

an input or output pin.

DAC0— Digital-to-Analog Converter output 0.

After reset, the default state is GPIOD6.

GPIOD7

(DAC1)

Input/

Output

Analog

Input

Input,

internal

pull-up

enabled

Port D GPIO — This GPIO pin can be individually programmed as

an input or output pin.

DAC1— Digital-to-Analog Converter output 1.

After reset, the default state is GPIOD7.

TDI

(GPIOD0)

Input

Input/

Output

Input,

internal

pull-up

enabled

Test Data Input — This input pin provides a serial input data stream

to the JTAG/EOnCE port. It is sampled on the rising edge of TCK

and has an on-chip pull-up resistor.

Port D GPIO — This GPIO pin can be individually programmed as

an input or output pin.

After reset, the default state is TDI.

TDO

(GPIOD1)

Output

Input/

Output

tri-stated,

internal

pull-up

enabled

Test Data Output — This tri-stateable output pin provides a serial

output data stream from the JTAG/EOnCE port. It is driven in the

shift-IR and shift-DR controller states, and changes on the falling

edge of TCK.

Port D GPIO — This GPIO pin can be individually programmed as

an input or output pin.

After reset, the default state is TDO.

Return to Table 2-2

Table 2-3 56F8037/56F8027 Signal and Package Information for the 64-Pin LQFP (Continued)

Signal

Name

LQFP

Pin No.

Type

State During

Reset

Signal Description

56F8027 Datasheet(PDF) 39 Page - Freescale Semiconductor, Inc

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