Pxa270 Gpio Pin Assignments - Eurotech ZEUS Technical Manual

ZEUS Technical Manual

PXA270 GPIO pin assignments

The table below summarizes the use of the 118 PXA270 GPIO pins, their direction,
alternate function and active level.
Key:
AF
Dir
Active
For details of pin states during sleep modes and reset see the Pin Usage table
in the Intel PXA27x Processor Family Electrical, Mechanical and Thermal
Specification.
GPIO
No AF Signal name Dir
0 0 AC97_IRQ
1 0 DS_WAKEUP Input
3 0 PWR_SCL
4 0 PWR_SDA
5 N/A PWR_CAP0
6 N/A PWR_CAP1
7 N/A PWR_CAP2
8 N/A PWR_CAP3
9 0 UART_INTA
10 0 UART_INTB
11 0 UART_INTD
12 0 UART_INTC
13 0 USER_LINK1 Input
© 2007 Eurotech Ltd Issue D
Alternate function.
Pin direction.
Function active level or edge.
Active Function
Input AC97Interrupt
Reset in case of power
failure
Output
PXA270 Power Manager I
Bidir.
Power
Power
Dedicated function - To
achieve low power during
sleep
Power
Power
Input UART 1 Interrupt
Input UART 2 Interrupt
Input UART 4 Interrupt
Input UART 3 Interrupt
User Configurable Input
Detailed hardware description
Wake-up
source See section...
Audio, page 49
Power management
2
C
page 64
N/A
Serial COM ports,
page 53
JP1 – User jumpers,
page 93
continued...
IC,
22