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A.1
SOM-7533 Pin Assignment
This section shows the SOM-7533 pin assignment on the COM Express connector,
which is compliant with COMR.0 R3.1 Type 10 pin-out definitions. For more details
about how to use these pins and for design reference, please contact Advantech for
a design guide, checklist, reference schematic, and other hardware/software support.
Table A.1: SOM-7533 Rows A, B
A1
GND (FIXED)
A2
GBE0_MDI3-
A3
GBE0_MDI3+
A4
GBE0_LINK1G#
A5
GBE0_LINK2.5#
A6
GBE0_MDI2-
A7
GBE0_MDI2+
A8
GBE0_LINK#
A9
GBE0_MDI1-
A10
GBE0_MDI1+
A11
GND (FIXED)
A12
GBE0_MDI0-
A13
GBE0_MDI0+
A14
N/A
A15
SUS_S3#
A16
SATA0_TX+
A17
SATA0_TX-
A18
SUS_S4#
A19
SATA0_RX+
A20
SATA0_RX-
A21
GND (FIXED)
A22
USB_SSRX0-
A23
USB_SSRX0+
A24
SUS_S5#
B24
PWR_OK
A25
USB_SSRX1-
A26
USB_SSRX1+
A27
BATLOW#
A28
(S)ATA_ACT#
A29
AC/HDA_SYNC
A30
AC/HDA_RST#
A31
GND (FIXED)
A32
AC/HDA_BITCLK
A33
AC/HDA_SDOUT
A34
BIOS_DIS0#
A35
THRMTRIP#
A36
USB6-
A37
USB6+
A38
USB_6_7_OC#
A39
USB4-
SOM-7533 User Manual
B1
GND (FIXED)
B2
GBE0_ACT#
B3
LPC_FRAME#
B4
LPC_AD0
B5
LPC_AD1
B6
LPC_AD2
B7
LPC_AD3
B8
ESPI_ALERT1#
B9
N/A
B10
LPC_CLK
B11
GND (FIXED)
B12
PWRBTN#
B13
SMB_CK
B14
SMB_DAT
B15
SMB_ALERT#
B16
SATA1_TX+
B17
SATA1_TX-
B18
N/A
B19
SATA1_RX+
B20
SATA1_RX-
B21
GND (FIXED)
B22
USB_SSTX0-
B23
USB_SSTX0+
B25
USB_SSTX1-
B26
USB_SSTX1+
B27
WDT
B28
N/A
B29
AC/HDA_SDIN1
B30
AC/HDA_SDIN0
B31
GND (FIXED)
B32
SPKR
B33
I2C_CK
B34
I2C_DAT
B35
THRM#
B36
USB7-
B37
USB7+
B38
USB_4_5_OC#
B39
USB5-
72
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