43 UNO-2271G_V2 User Manual
Appendix A System Settings/Pin Assignments
A.10 Board to Board Connector (Reserved for
Expansion) (CN13)
Table A.9: Expansion Board to Board Connector Pin Assignments
Pin Signal Name Pin Signal Name
1 ESPI_CLK 2 ESPI_ALERT0#
3 ESPI_IO0 4 ESPI_IO1
5 ESPI_IO2 6 ESPI_IO3
7 ESPI_CS0# 8 ESPI_RST0#
9 PMC_SUSCLK 10 PMC_SLP_S3#
11 GP_H00 12 PCIE_WAKE#
13 PLTRST_M.2# 14 M2B1_CLKREQ2#
15 GND 16 USB2_P0+
17 USB2_P0- 18 GND
19 USB2_P4+ 20 USB2_P4-
21 CLK100M_M2E1_D2+ 22 CLK100M_M2E1_D2-
23 GND 24 PCIE4_TX+
25 PCIE4_TX- 26 GND
27 PCIE4_RX+ 28 PCIE4_RX-
29 GND 30 SATA1_TX+
31 SATA1_TX- 32 GND
33 SATA1_RX+ 34 SATA1_RX-
35 GND 36 USB31_P2_TX+
37 USB31_P2_TX- 38 GND
39 USB31_P2_RX+ 40 USB31_P2_RX-
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