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PXA250 and PXA210 Applications Processors Design Guide 1-7
Introduction
MMDAT ICOCZ Multimedia Card Data Pin (I/O)
MMCCLK/GP[6] ICOCZ MMC clock. (output) Clock signal for the MMC Controller.
MMCCS0/GP[8] ICOCZ MMC chip select 0. (output) Chip select 0 for the MMC Controller.
MMCCS1/GP[9] ICOCZ MMC chip select 1. (output) Chip select 1 for the MMC Controller.
SSP Pins
SSPSCLK/
GPIO[23]
ICOCZ
Synchronous Serial Port Clock (output)
See Note [2]
SSPSFRM/
GPIO[24]
ICOCZ
Synchronous serial port Frame Signal (output)
See Note [2]
SSPTXD/
GPIO[25]
ICOCZ
Synchronous serial port transmit (output)
See Note [2]
SSPRXD/
GPIO[26]
ICOCZ
Synchronous serial port receive (input)
See Note [2]
SSPEXTCLK/
GPIO[27]
ICOCZ
Synchronous Serial port external clock (input)
See Note [2]
USB Client Pins
USB_P IAOA USB Client port positive Pin of differential pair.
USB_N IAOA USB Client port negative Pin of differential pair.
AC97 Controller Pins
BITCLK/
GPIO[28]
ICOCZ
AC97 Audio Port bit clock (output)
See Note [2]
SDATA_IN0/
GPIO[29]
ICOCZ
AC97 Audio Port data in (input)
See Note [2]
SDATA_IN1/
GPIO[32]
ICOCZ
AC97 Audio Port data in (input)
See Note [2]
SDATA_OUT/
GPIO[30]
ICOCZ
AC97 Audio Port data out (output)
See Note [2]
SYNC/
GPIO[31]
ICOCZ
AC97 Audio Port sync signal (output)
See Note [2]
nACRESET OC
AC97 Audio Port reset signal (output)
This pin is a dedicated output.
Standard UART and ICP Pins
IRRXD/
GPIO[46]
ICOCZ
IrDA Receive signal (input).
See Note [2]
IRTXD/
GPIO[47]
ICOCZ
IrDA Transmit signal (output).
Transmit pin for both the SIR and FIR functions.
See Note [2]
I
2
C Controller Pins
SCL ICOCZ
I2C clock (Bidirectional)
Bidirectional signal. When it is driving, it functions as an open collector device and
requires a pull up resistor. As an input, it expects standard CMOS levels.
Table 1-3. Signal Pin Descriptions (Sheet 4 of 7)
Name Type Description