GDPXA255A0E400 Datasheet, PDF (14/40 Pages) Intel Corporation – Electrical, Mechanical, and Thermal Specification

Package Information
Table 3. Pin and Signal Descriptions for the PXA255 Processor (Sheet 6 of 9)
Pin Name
Type
Signal Descriptions
Reset State
Sleep State
L_DD[10]/
GPIO[68]
ICOCZ
LCD display data. (output) Transfers pixel information
from the LCD controller to the external LCD panel.
MMC chip select 1. (output) Chip select 1 for the MMC
controller.
Pulled High -
Note[1]
L_DD[11]/
GPIO[69]
LCD display data. (output) Transfers pixel information
ICOCZ ^{from the LCD controller to the external LCD panel.}
MMC clock. (output) Clock for the MMC controller.
Pulled High -
Note[1]
FFRXD/
GPIO[34]
Full function UART receive. (input)
ICOCZ _{MMC chip select 0. (output) Chip select 0 for the MMC}
controller.
Pulled High -
Note[1]
FFTXD/
GPIO[39]
Full function UART transmit. (output)
ICOCZ _{MMC chip select 1. (output) Chip select 1 for the MMC}
controller.
Pulled High -
Note[1]
MMCCLK/
GP[6]
ICOCZ MMC clock. (output) Clock signal for the MMC controller. ^{Pulled High -}
Note[1]
MMCCS0/
GP[8]
ICOCZ ^{MMC chip select 0. (output) Chip select 0 for the MMC Pulled High -}
controller.
Note[1]
MMCCS1/
GP[9]
MMC chip select 1. (output) Chip select 1 for the MMC Pulled High -
ICOCZ _controller.
Note[1]
SSP Pins
SSPSCLK/
GPIO[23]
ICOCZ Synchronous serial port clock. (output)
Pulled High -
Note[1]
SSPSFRM/
GPIO[24]
ICOCZ Synchronous serial port frame. (output)
Pulled High -
Note[1]
SSPTXD/
GPIO[25]
ICOCZ Synchronous serial port transmit. (output)
Pulled High -
Note[1]
SSPRXD/
GPIO[26]
ICOCZ Synchronous serial port receive. (input)
Pulled High -
Note[1]
SSPEXTCLK/
ICOCZ Synchronous serial port external clock. (input)
GPIO[27]
Pulled High -
Note[1]
NSSP Pins
NSSPSCLK/
GPIO[81]
ICOCZ Network synchronous serial port clock. (output/input) ^{Pulled High -}
Note[1]
NSSPSFRM/
GPIO[82]
Pulled High -
ICOCZ Network synchronous serial port frame. (output/input) _Note[1]
NSSPTXD/
GPIO[83]
ICOCZ ^{Network synchronous serial port transmit/recieve.}
(output/input)
Pulled High -
Note[1]
NSSPRXD/
GPIO[84]
Network synchronous serial port transmit/receive.
ICOCZ
(output/input)
Pulled High -
Note[1]
USB Client Pins
USB_P
IAOAZ USB client positive. (bidirectional)
Hi-Z
USB_N
IAOAZ USB client negative pin. (bidirectional)
Hi-Z
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Note [3]
Hi-Z
Hi-Z
14
Intel® PXA255 Processor Electrical, Mechanical, and Thermal Specification