PXA255 datasheet(13/40 Pages) INTEL

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Package Information

Intel® PXA255 Processor Electrical, Mechanical, and Thermal Specification

FFRI/

GPIO[38]

ICOCZ

Full function UART ring indicator. (input)

Pulled High -

Note[1]

Note [3]

FFDTR/

GPIO[40]

ICOCZ

Full function UART data-terminal-ready. (output)

Pulled High -

Note[1]

Note [3]

FFRTS/

GPIO[41]

ICOCZ

Full function UART request-to-send. (output)

Pulled High -

Note[1]

Note [3]

Bluetooth UART Pins

BTRXD/

GPIO[42]

ICOCZ

Bluetooth UART receive. (input)

Pulled High -

Note[1]

Note [3]

BTTXD/

GPIO[43]

ICOCZ

Bluetooth UART transmit. (output)

Pulled High -

Note[1]

Note [3]

BTCTS/

GPIO[44]

ICOCZ

Bluetooth UART clear-to-send. (input)

Pulled High -

Note[1]

Note [3]

BTRTS/

GPIO[45]

ICOCZ

Bluetooth UART request-to-send. (output)

Pulled High -

Note[1]

Note [3]

Standard UART and ICP Pins

IRRXD/

GPIO[46]

ICOCZ

IrDA receive signal. (input) Receive pin for the FIR

function.

Standard UART receive. (input)

Pulled High -

Note[1]

Note [3]

IRTXD/

GPIO[47]

ICOCZ

IrDA transmit signal. (output) Transmit pin for the

Standard UART, SIR and FIR functions.

Standard UART transmit. (output)

Pulled High -

Note[1]

Note [3]

Hardware UART Pins

HWRXD/

GPIO[42/49]

ICOCZ

Hardware UART receive. (input)

Pulled High -

Note[1]

Note [3]

HWTXD/

GPIO[43/48]

ICOCZ

Hardware UART transmit. (output)

Pulled High -

Note[1]

Note [3]

HWCTS/

GPIO[44/50]

ICOCZ

Hardware UART clear-to-send. (input)

Pulled High -

Note[1]

Note [3]

HWRTS/

GPIO[45/51]

ICOCZ

Hardware UART data-terminal-ready. (output)

Pulled High -

Note[1]

Note [3]

MMC Controller Pins

MMCMD

ICOCZ

Multimedia card command. (bidirectional)

Hi-Z

MMDAT

ICOCZ

Multimedia card data. (bidirectional)

Hi-Z

nPCE[2]/

GPIO[53]

ICOCZ

PCMCIA card enable 2. (outputs) Selects a PCMCIA

card. Bit one enables the high byte lane and bit zero

enables the low byte lane.

MMC clock. (output) Clock signal for the MMC controller.

Pulled High -

Note[1]

Note [5]

L_DD[9]/

GPIO[67]

ICOCZ

LCD display data. (output) Transfers pixel information

from the LCD controller to the external LCD panel.

MMC chip select 0. (output) Chip select 0 for the MMC

controller.

Pulled High -

Note[1]

Note [3]

Table 3. Pin and Signal Descriptions for the PXA255 Processor (Sheet 5 of 9)

Pin Name

Type

Signal Descriptions

Reset State

Sleep State

PXA255 Datasheet(PDF) 13 Page - Intel Corporation

PXA255 Datasheet(HTML) 13 Page - Intel Corporation

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