Electrical, Mechanical, and Thermal Specification
—
PXA250 and PXA210
Datasheet
21
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.
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.
L_DD[11]/
GPIO[69]
ICOCZ
LCD display data.
(output) Transfers pixel information from the LCD Controller to
the external LCD panel.
MMC clock.
(output) Clock for the MMC Controller.
L_DD[12]/
GPIO[70]
ICOCZ
LCD display data.
(output) Transfers pixel information from the LCD Controller to
the external LCD panel.
RTC clock.
(output) Real time clock 1 Hz tick.
L_DD[13]/
GPIO[71]
ICOCZ
LCD display data.
(output) Transfers pixel information from the LCD Controller to
the external LCD panel.
3.6864 MHz clock.
(output) Output from 3.6864 MHz oscillator.
L_DD[14]/
GPIO[72]
ICOCZ
LCD display data.
(output) Transfers pixel information from the LCD Controller to
the external LCD panel.
32 kHz clock.
(output) Output from the 32 kHz oscillator.
L_DD[15]/
GPIO[73]
ICOCZ
LCD display data.
(output) Transfers pixel information from the LCD Controller to
the external LCD panel.
Memory Controller grant.
(output) Notifies an external device it has been granted
the system bus.
L_FCLK/
GPIO[74]
ICOCZ
LCD frame clock.
(output) Indicates the start of a new frame. Also referred to as
Vsync.
L_LCLK/
GPIO[75]
ICOCZ
LCD line clock.
(output) Indicates the start of a new line. Also referred to as
Hsync.
L_PCLK/
GPIO[76]
ICOCZ
LCD pixel clock.
(output) Clocks valid pixel data into the LCD
’
s line shift buffer.
L_BIAS/
GPIO[77]
ICOCZ
AC bias drive.
(output) Notifies the panel to change the polarity for some passive
LCD panel. For TFT panels, this signal indicates valid pixel data.
Full Function UART Pins
FFRXD/
GPIO[34]
ICOCZ
Full Function UART Receive.
(input)
MMC chip select 0.
(output) Chip select 0 for the MMC Controller.
FFTXD/
GPIO[39]
ICOCZ
Full Function UART Transmit.
(output)
MMC chip select 1.
(output) Chip select 1 for the MMC Controller.
Bluetooth UART Pins
BTRXD/
GPIO[42]
ICOCZ
Bluetooth UART Receive.
(input)
BTTXD/
GPIO[43]
ICOCZ
Bluetooth UART Transmit.
(output)
BTCTS/
GPIO[44]
ICOCZ
Bluetooth UART Clear-to-Send.
(input)
BTRTS/
GPIO[45]
ICOCZ
Bluetooth UART Data-Terminal-Ready.
(output)
Table 4. Pin and Signal Descriptions for the PXA210 Applications Processor (Sheet 3 of 7)
Pin Name
Type
Signal Descriptions