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3.5"-eIO-GPA - User Guide, Rev. 1.0
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Pin
Signal
Description
Note
19
eDP_
eDP / DP 0 Auxiliary channel pair (+)
20
eDP_DP0_AUX-
eDP / DP 0 Auxiliary channel pair (-)
21
GND
Ground
22
PCIE0_
PCIe Lane 0 clock reference pair (+)
23
PCIE0_CLK_REF-
PCIe Lane 0 clock reference pair (-)
24
GND
Ground
25
P
PCIe Lane 0 transmitter pair (+)
26
PCIE0_TX-
PCIe Lane 0 transmitter pair (-)
27
GND
Ground
28
P
PCIe Lane 0 receiver pair (+)
29
PCIE0_RX-
PCIe Lane 0 receiver pair (-)
30
GND
Ground
31
P
PCIe Lane 2 receiver pair (+)
32
PCIE2_TX-
PCIe Lane 2 receiver pair (-)
33
GND
Ground
34
P
PCIe Lane 2 receiver pair (+)
35
PCIE2_RX-
PCIe Lane 2 receiver pair (-)
36
GND
Ground
37
USB0_D-
USB 2.0 differential pair (-)
38
USB 2.0 differential pair (+)
39
GND
Ground
40
UART_TXD
UART transmitted data
+3.3 V
41
UART_RXD
UART received data
+3.3 V
42
UART_CTS#
UART clear to send
+3.3 V
43
UART_RTS#
UART request to send
+3.3 V
44
GND
Ground
45
eDP_PWM
eDP backlight PWM (Pulse Width Modulation) signal
46
eDP_VDDEN
eDP panel power enable signal
47
eDP_BKLTEN
eDP backlight enable signal
48
eDP_DO0_HPD
eDP / DP 0 hot plug detect
49
eDP_DP0_EN#
eDP / DP 0 enable
50
NC
Not connected
51
GSPI_CLK
Generic SPI clock
+3.3 V
52
GSPI_MOSI
Generic SPI master output / slave input
+3.3 V
53
GSPI_MISO
Generic SPI master input / slave output
+3.3 V
54
GSPI_CS0#
Generic SPI chip select bit 0
+3.3 V
55
GSPI_CS1#
Generic SPI chip select bit 1
+3.3 V
56
GND
Ground
57
DP 1 Lane 0 transmitter pair (+)
58
DP1_TX0-
DP 1 Lane 0 transmitter pair (-)
59
GND
Ground
60
DP 1 Lane 1 transmitter pair (+)