AXIOMTEK SCM188 User Manual page 15

P-Pin Primary (Top) Side
P41 SDIO_D2
P42 SDIO_D3
P43 SPI0_CS0#
P44 SPI0_CK
P45 SPI0_MISO
P46 SPI0_MOSI
P47 GND
P48 NC
P49 NC
P50 GND
P51 NC
P52 NC
P53 GND
P54 QSPI_CS0#
P55 NC
P56 QSPI_CKO
P57 QSPI_IO_1
P58 QSPI_IO_0
P59 GND
P60 USB1_DP_OTG
P61 USB1_DN_OTG
P62 USB1_EN_OC#
P63 USB1_VBUS_DET
P64 USB1_OTG_ID
P65 USB_DP_DN2
P66 USB_DM_DN2
P67 USB2_EN_OC#
P68 GND
P69 USB_DP_DN4
P70 USB_DM_DN4
P71 USB4_EN_OC#
P72 NC
P73 NC
P74 USB3_EN_OC#
P75 PCIE_A_RST#
P76 USB1_EN_OC#
P77 NC
P78 NC
P79 GND
P80 NC
P81 NC
P82 GND
P83 PCIE_A_REFCK+
P84 PCIE_A_REFCK-
P85 GND
P86 PCIE_A_RX+
P87 PCIE_A_RX-
P88 GND
P89 PCIE_A_TX+
Board and Pin Assignments
SCM188 NXP i.MX 8M Plus ARM-based SMARC Module
S-Pin Secondary (Bottom) Side
S41 AUDIO _RXD
S42 AUDIO _TXC
S43 NC
S44 NC
S45 I.MX8M Plus SoC_AE28 pin (Default 0V)
S46 NC
S47 GND
S48 I2C_GP_CK
S49 I2C_GP_DAT
S50 I2S2_LRCK
S51 I2S2_SDOUT
S52 I2S2_SDIN
S53 I2S2_CK
S54 NC
S55 NC
S56 QSPI_IO_2
S57 QSPI_IO_3
S58 NC
S59 NC
S60 NC
S61 GND
S62 USB_SSTXP_DN3
S63 USB_SSTXM_DN3
S64 GND
S65 USB_SSRXP_DN3
S66 USB_SSRXM_DN3
S67 GND
S68 USB_DP_DN3
S69 USB_DM_DN3
S70 GND
S71 USB_SSTXP_DN4
S72 USB_SSTXM_DN4
S73 GND
S74 USB_SSRXP_DN4
S75 USB_SSRXM_DN4
S76 NC
S77 NC
S78 NC
S79 NC
S80 GND
S81 NC
S82 NC
S83 GND
S84 NC
S85 NC
S86 GND
S87 NC
S88 NC
S89 GND
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