Intel PXA26X User Manual

Page 45

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Intel® PXA26x Processor Family Developer’s Manual

2-15

System Architecture

FFTXD/

GPIO[39]

ICOCZ

FULL FUNCTION UART TRANSMIT (output)

MMC CHIP SELECT 1 (output):

Chip select 1 for the MMC Controller.

Pulled High
Note [1]

Note [3]

MMCCLK/GP[6] ICOCZ

MMC CLOCK (output):

Clock signal for the MMC Controller.

Pulled High
Note [1]

Note [3]

MMCCS0/GP[8] ICOCZ

MMC CHIP SELECT 0 (output):

Chip select 0 for the MMC Controller.

Pulled High
Note [1]

Note [3]

MMCCS1/GP[9] ICOCZ

MMC CHIP SELECT 1 (output):

Chip select 1 for the MMC Controller.

Pulled High
Note [1]

Note [3]

SSP Pins

SSPSCLK/

GPIO[23]

ICOCZ

SYNCHRONOUS SERIAL PORT CLOCK (output)

Pulled High
Note [1]

Note [3]

SSPSFRM/

GPIO[24]

ICOCZ

SYNCHRONOUS SERIAL PORT FRAME (output)

Pulled High
Note [1]

Note [3]

SSPTXD/

GPIO[25]

ICOCZ

SYNCHRONOUS SERIAL PORT TRANSMIT (output)

Pulled High
Note [1]

Note [3]

SSPRXD/

GPIO[26]

ICOCZ

SYNCHRONOUS SERIAL PORT RECEIVE (input)

Pulled High
Note [1]

Note [3]

SSPEXTCLK/

GPIO[27]

ICOCZ

SYNCHRONOUS SERIAL PORT EXTERNAL CLOCK
(input)

Pulled High
Note [1]

Note [3]

USB Client Pins

USB_P

IAOAZ

USB CLIENT POSITIVE (bidirectional)

Hi-Z

Hi-Z

USB_N

IAOAZ

USB CLIENT NEGATIVE PIN (bidirectional)

Hi-Z

Hi-Z

Single Ended USB Pins

USB_RCV/
GPIO[9]

ICOCZ

USB CLIENT SINGLE-ENDED INTERFACE RCV (input):

Differential receive data from the USB transceiver.

Pulled High
Note [1]

Note [3]

USB_VP/
GPIO[32]

ICOCZ

USB CLIENT SINGLE-ENDED INTERFACE VP (input):

Gated version of D+ from the USB transceiver.

Pulled High
Note [1]

Note [3]

USB_VM/
GPIO[34]

ICOCZ

USB CLIENT SINGLE-ENDED INTERFACE VM (input):

Gated version of D- from the USB transceiver.

Pulled High
Note [1]

Note [3]

USB_VPO/
GPIO[39]

ICOCZ

USB CLIENT SINGLE-ENDED INTERFACE VPO
(output):

Output to USB transceiver differential driver D+.

Pulled High
Note [1]

Note [3]

USB_VMO/
GPIO[56]

ICOCZ

USB CLIENT SINGLE-ENDED INTERFACE VMO
(output):

Output to USB transceiver differential driver D-.

Pulled High
Note [1]

Note [3]

USB_nOE/
GPIO[57]

ICOCZ

USB CLIENT SINGLE-ENDED INTERFACE nOE (output):

Output enable for the USB transceiver to transmit data on
the bus. When deasserted, the transceiver is in receive
mode.

Pulled High
Note [1]

Note [3]

Table 2-6. Pin & Signal Descriptions for the PXA26x Processor Family (Sheet 7 of 12)

Pin Name

Type

Signal Descriptions

Reset State

Sleep State

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