User guide xb1 com express module – Intel 82600 User Manual
Page 29
User Guide XB1 COM Express Module
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GPIO Usage SIO
XB1 COM Express Module GPIO Usage SIO
GPIO
Type
Tol.
Function
Description
GPIO 10
I/O
5V/16mA
1)
MSDAT
PS/2 mouse data or custom GPIO
GPIO 11
I/O
5V/16mA
1)
MSCLK
PS/2 mouse clock or custom GPIO
GPIO 12
O
LPC_DRQSIO#
LPC Port DMA request from SIO
GPIO 13
I/O
5V/8mA
1)
not used
GPIO 14
I/O
5V/8mA
1)
not used
GPIO 15
I/O
5V/8mA
1)
not used
GPIO 16
I/O
5V/24mA
1)
not used
GPIO 17
I/O
5V/24mA
1)
not used
GPIO 20
I
5V
1)
GPI0
GPI signal from COM Express module carrier board
GPIO 21
I
5V
1)
GPI1
GPI signal from COM Express module carrier board
GPIO 22
I
5V
1)
GPI2
GPI signal from COM Express module carrier board
GPIO 23
I
5V
1)
GPI3
GPI signal from COM Express module carrier board
GPIO 24
OC
10k/3.3V 24mA
GPO0
GPO signal to COM Express module carrier board
GPIO 25
OC
10k/3.3V 24mA
GPO1
GPO signal to COM Express module carrier board
GPIO 26
OC
10k/3.3V 24mA
GPO2
GPO signal to COM Express module carrier board
GPIO 27
OC
10k/3.3V 24mA
GPO3
GPO signal to COM Express module carrier board
1)
These GPIOs have pullup resistors of approx. 50kΩ within the SIO
italic blue –> signal available on J-COM
italic green –> signal available on P-SIO