56F8156 Просмотр технического описания (PDF) - Freescale Semiconductor

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56F8156

16-bit Digital Signal Controllers

Freescale Semiconductor 

Table 2-2 Signal and Package Information for the 144-Pin LQFP (Continued)

Signal Name Pin No. Type

State

During

Reset

Signal Description

PHASEB0

(TA1)

140

Schmitt

Input,

Phase B — Quadrature Decoder 0, PHASEB input

Input

pull-up

enabled

Schmitt

TA1 — Timer A, Channel

Input/

Output

(GPIOC5)

Schmitt

Input/

Output

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

an input or output pin.

After reset, the default state is PHASEB0.

INDEX0

(TA2)

To deactivate the internal pull-up resistor, clear bit 5 of the

GPIOC_PUR register.

141

Schmitt

Input,

Index — Quadrature Decoder 0, INDEX input

Input

pull-up

enabled

Schmitt

TA2 — Timer A, Channel 2

Input/

Output

(GPOPC6)

Schmitt

Input/

Output

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

an input or output pin.

After reset, the default state is INDEX0.

HOME0

(TA3)

To deactivate the internal pull-up resistor, clear bit 6 of the

GPIOC_PUR register.

142

Schmitt

Input,

Home — Quadrature Decoder 0, HOME input

Input

pull-up

enabled

Schmitt

TA3 — Timer A, Channel 3

Input/

Output

(GPIOC7)

Schmitt

Input/

Output

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

an input or output pin.

After reset, the default state is HOME0.

To deactivate the internal pull-up resistor, clear bit 7 of the

GPIOC_PUR register.

56F8356 Technical Data, Rev. 13

28

Freescale Semiconductor

Preliminary

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