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All SomIQ modules have almost identical set of signals on sockets, except for signals/interfaces absent on used processors.

**NOTE:**
  * SomIQ-AM35 lines have IO voltage **3.3V**
  * SomIQ-AM37 lines have IO voltage **1.8V**

Use voltage translators powered by VCC_IO on the CPU side

====== X2 signals ======

^ X2.# ^ SomIQ-AM35 ^ SomIQ-OM35 ^ SomIQ-AM37(D) ^ Description ^
| 1 | VMMC1 | VMMC1 | VMMC1 | MMC1 power |
| 2 | HSUSB1_DN | HSUSB1_DN | HSUSB1_DN | USB Host Data- |
| 3 | MMC1_CD | MMC1_CD | MMC1_CD | MMC1 Card Detect |
| 4 | HSUSB1_DP | HSUSB1_DP | HSUSB1_DP | USB Host Data+ |
| 5 | GND | GND | GND | Ground |
| 6 | GND | GND | GND | Ground |
| 7 | DSS_DATA0 | DSS_DATA0 | DSS_DATA0 | LCD Data0 |
| 8 | DSS_DATA1 | DSS_DATA1 | DSS_DATA1 | LCD Data1 |
| 9 | DSS_DATA2 | DSS_DATA2 | DSS_DATA2 | LCD Data2 |
| 10 | DSS_DATA3 | DSS_DATA3 | DSS_DATA3 | LCD Data3 |
| 11 | DSS_DATA4 | DSS_DATA4 | DSS_DATA4 | LCD Data4 |
| 12 | DSS_DATA5 | DSS_DATA5 | DSS_DATA5 | LCD Data5 |
| 13 | DSS_DATA6 | DSS_DATA6 | DSS_DATA6 | LCD Data6 |
| 14 | DSS_DATA7 | DSS_DATA7 | DSS_DATA7 | LCD Data7 |
| 15 | DSS_DATA8 | DSS_DATA8 | DSS_DATA8 | LCD Data8 |
| 16 | DSS_DATA9 | DSS_DATA9 | DSS_DATA9 | LCD Data9 |
| 17 | DSS_DATA10 | DSS_DATA10 | DSS_DATA10 | LCD Data10 |
| 18 | DSS_DATA11 | DSS_DATA11 | DSS_DATA11 | LCD Data11 |
| 19 | DSS_DATA12 | DSS_DATA12 | DSS_DATA12 | LCD Data12 |
| 20 | DSS_DATA13 | DSS_DATA13 | DSS_DATA13 | LCD Data13 |
| 21 | DSS_DATA14 | DSS_DATA14 | DSS_DATA14 | LCD Data14 |
| 22 | DSS_DATA15 | DSS_DATA15 | DSS_DATA15 | LCD Data15 |
| 23 | DSS_DATA16 | DSS_DATA16 | DSS_DATA16 | LCD Data16 |
| 24 | DSS_DATA17 | DSS_DATA17 | DSS_DATA17 | LCD Data17 |
| 25 | DSS_DATA18 | DSS_DATA18 | DSS_DATA18 | LCD Data18 |
| 26 | DSS_DATA19 | DSS_DATA19 | DSS_DATA19 | LCD Data19 |
| 27 | DSS_DATA20 | DSS_DATA20 | DSS_DATA20 | LCD Data20 |
| 28 | DSS_DATA21 | DSS_DATA21 | DSS_DATA21 | LCD Data21 |
| 29 | DSS_ACBIAS | DSS_ACBIAS | DSS_ACBIAS | LCD DEN |
| 30 | DSS_DATA23 | DSS_DATA23 | DSS_DATA23 | LCD Data23 |
| 31 | DSS_HSYNC | DSS_HSYNC | DSS_HSYNC | LCD horizontal sync |
| 32 | DSS_VSYNC | DSS_VSYNC | DSS_VSYNC | LCD vertical sync |
| 33 | DSS_DATA22 | DSS_DATA22 | DSS_DATA22 | LCD Data22 |
| 34 | MMC1_CLK | MMC1_CLK | MMC1_CLK | MMC1 CLK |
| 35 | DSS_PCLK | DSS_PCLK | DSS_PCLK | LCD CLK |
| 36 | MMC1_CMD | MMC1_CMD | MMC1_CMD | MMC1 CMD |
| 37 | USB0_VBUS | USB0_VBUS | USB0_VBUS | |
| 38 | MMC1_DATA0 | MMC1_DATA0 | MMC1_DATA0 | MMC1_DATA0 |
| 39 | USB_DP | USB_DP | USB_DP | USB OTG Data+ |
| 40 | MMC1_DATA2 | MMC1_DATA2 | MMC1_DATA2 | MMC1_DATA2 |
| 41 | USB_DM | USB_DM | USB_DM | USB OTG Data- |
| 42 | MMC1_DATA1 | MMC1_DATA1 | MMC1_DATA1 | MMC1_DATA1 |
| 43 | USB0_DRVBUS ^ nc ^ nc | |
| 44 | MMC1_DATA3 | MMC1_DATA3 | MMC1_DATA3 | MMC1_DATA3 |
| 45 | USB0_ID | USB0_ID | USB0_ID | USB OTG ID |
| 46 | MMC1_DATA5 | MMC1_DATA5 ^ nc | MMC1_DATA5 |
| 47 | MMC1_DATA4 | MMC1_DATA4 ^ GPIO_126 | MMC1_DATA4/GPIO |
| 48 | MMC1_DATA7 | MMC1_DATA7 ^ GPIO_129 | MMC1_DATA7/GPIO |
| 49 | MMC1_DATA6 | MMC1_DATA6 ^ nc | MMC1_DATA6 |
| 50 | MCBSP1_DR | MCBSP1_DR | MCBSP1_DR | MCBSP1_DR |
| 51 | I2C1_SDA | I2C1_SDA | I2C1_SDA | I2C1_SDA |
| 52 | MCBSP1_DX | MCBSP1_DX | MCBSP1_DX | MCBSP1_DX |
| 53 | I2C1_SCL | I2C1_SCL | I2C1_SCL | I2C1_SCL |
| 54 | MCBSP1_FSR | MCBSP1_FSR | MCBSP1_FSR | MCBSP1_FSR |
| 55 | GND | GND | GND | Ground |
| 56 | MCBSP1_FSX | MCBSP1_FSX | MCBSP1_FSX | MCBSP1_FSX |
| 57 | TV_OUT2 | TV_OUT2 | TV_OUT2 |  |
| 58 | MCBSP1_CLKR | MCBSP1_CLKR | MCBSP1_CLKR | MCBSP1_CLKR |
| 59 | TV_OUT1 | TV_OUT1 | TV_OUT1 |  |
| 60 | MCBSP1_CLKX | MCBSP1_CLKX | MCBSP1_CLKX | MCBSP1_CLKX |
| 61 | GND | GND | GND | Ground |
| 62 | GPIO_10 | GPIO_10 | GPIO_10 | GPIO_10 |
| 63 | MCBSP2_DX | MCBSP2_DX | MCBSP2_DX | MCBSP2_DX |
| 64 | HDQ_SIO | HDQ_SIO | HDQ_SIO | 1-Wire |
| 65 | MCBSP2_FSX | MCBSP2_FSX | MCBSP2_FSX | MCBSP2_FSX |
| 66 | MCBSP4_DR ^ nc ^ nc | MCBSP4_DR |
| 67 | MCBSP2_CLKX | MCBSP2_CLKX | MCBSP2_CLKX | MCBSP2_CLKX |
| 68 | MCBSP4_DX ^ nc ^ nc | MCBSP4_DX |
| 69 | MCBSP2_DR | MCBSP2_DR | MCBSP2_DR | MCBSP2_DR |
| 70 | MCBSP4_FSX ^ nc ^ nc | MCBSP4_FSX |
| 71 | MCBSP_CLKS | MCBSP_CLKS | MCBSP_CLKS | MCBSP_CLKS |
| 72 | MCBSP4_CLKX ^ nc ^ nc | MCBSP4_CLKX |
| 73 | CCDC_VD | CCDC_VD | CCDC_VD | CCD vertical sync |
| 74 | GND | GND | GND | Ground |
| 75 | CCDC_HD | CCDC_HD | CCDC_HD | CCD horizontal sync |
| 76 | CCDC_WEN | CCDC_WEN | CCDC_WEN | CCD Write Enable |
| 77 | CCDC_FLD | CCDC_FLD | CCDC_FLD | CCD Field |
| 78 | CCDC_PCLK | CCDC_PCLK | CCDC_PCLK | CCD CLK |
| 79 ^ NC | CCDC_XCLKA | CCDC_XCLKA | CCDC_XCLKA |
| 80 ^ NC | CCDC_XCLKB | CCDC_XCLKB | CCDC_XCLKB |
| 81 ^ NC | CCDC_D10 | CCDC_D10 | CCD Data 10 |
| 82 ^ NC | CCDC_D11 | CCDC_D11 | CCD Data 11 |
| 83 ^ NC | CCDC_D8 | CCDC_D8 | CCD Data 8 |
| 84 ^ NC | CCDC_D9 | CCDC_D9 | CCD Data 9 |
| 85 | CCDC_D6 | CCDC_D6 | CCDC_D6 | CCD Data 6 |
| 86 | CCDC_D7 | CCDC_D7 | CCDC_D7 | CCD Data 7 |
| 87 | CCDC_D4 | CCDC_D4 | CCDC_D4 | CCD Data 4 |
| 88 | CCDC_D5 | CCDC_D5 | CCDC_D5 | CCD Data 5 |
| 89 | CCDC_D2 | CCDC_D2 | CCDC_D2 | CCD Data 2 |
| 90 | CCDC_D3 | CCDC_D3 | CCDC_D3 | CCD Data 3 |
| 91 | CCDC_D0 | CCDC_D0 | CCDC_D0 | CCD Data 0 |
| 92 | CCDC_D1 | CCDC_D1 | CCDC_D1 | CCD Data 1 |
| 93 | ETH_speed100 | ETH_speed100 | ETH_speed100 | Ethernet LED 100M |
| 94 | ETH_ALINK | ETH_ALINK | ETH_ALINK | Ethernet LED Link |
| 95 | VCC_3V3 | VCC_3V3 | VCC_3V3 | Ethernet 3.3V power |
| 96 | VCC_3V3 | VCC_3V3 | VCC_3V3 | Ethernet 3.3V power |
| 97 | ETH_TXP | ETH_TXP | ETH_TXP | Ethernet Data TX+ |
| 98 | ETH_RXN | ETH_RXN | ETH_RXN | Ethernet Data RX- |
| 99 | ETH_TXN | ETH_TXN | ETH_TXN | Ethernet Data TX- |
| 100 | ETH_RXP | ETH_RXP | ETH_RXP | Ethernet Data RX+ |

====== X3 signals ======

^ X3.# ^ SomIQ-AM35 ^ SomIQ-OM35 ^ SomIQ-AM37(D) ^ Description ^
| 1 | DC_5V | DC_5V | DC_5V | Main 5VDC | 
| 2 | GND | GND | GND | Ground | 
| 3 | DC_5V | DC_5V | DC_5V | Main 5VDC | 
| 4 | GND | GND | GND | Ground | 
| 5 | DC_5V | DC_5V | DC_5V | Main 5VDC | 
| 6 | GND | GND | GND | Ground | 
| 7 | MMC2_DATA6 | MMC2_DATA6 | MMC2_DATA6 | MMC2_DATA6 |
| 8 | MMC2_DATA7 | MMC2_DATA7 | MMC2_DATA7 | MMC2_DATA7 |
| 9 | MMC2_DATA4 | MMC2_DATA4 | MMC2_DATA4 | MMC2_DATA4 |
| 10 | MMC2_DATA5 | MMC2_DATA5 | MMC2_DATA5 | MMC2_DATA5 |
| 11 | MMC2_DATA2 | MMC2_DATA2 | MMC2_DATA2 | MMC2_DATA2 |
| 12 | MMC2_DATA3 | MMC2_DATA3 | MMC2_DATA3 | MMC2_DATA3 |
| 13 | MMC2_DATA0 | MMC2_DATA0 | MMC2_DATA0 | MMC2_DATA0 |
| 14 | MMC2_DATA1 | MMC2_DATA1 | MMC2_DATA1 | MMC2_DATA1 |
| 15 | MMC2_CLK | MMC2_CLK | MMC2_CLK | MMC2_CLK |
| 16 | MMC2_CMD | MMC2_CMD | MMC2_CMD | MMC2_CMD |
| 17 | UART1_CTS | UART1_CTS | UART1_CTS | UART1 CTS |
| 18 | UART1_RX | UART1_RX | UART1_RX | UART1 RX |
| 19 | UART1_RTS | UART1_RTS | UART1_RTS | UART1 RTS |
| 20 | UART1_TX | UART1_TX | UART1_TX | UART1 TX |
| 21 | GND | GND | GND | Ground |
| 22 | MCSPI1_SIMO | MCSPI3_SIMO | MCSPI1_SIMO | MCSPI1 SIMO |
| 23 | SYS_BOOT5 | SYS_BOOT5 | SYS_BOOT5 | Choose to boot MMC1/NAND |
| 24 | MCSPI1_CS2 ^ NC ^ NC | MCSPI1 CS2 |
| 25 | VBACKUP | VBACKUP | VBACKUP | RTC backup power |
| 26 | MCSPI1_CS1 | MCSPI3_CS1 | MCSPI3_CS1 | MCSPI3 CS1 | 
| 27 | UART2_TX ^ NC ^ NC | UART2 TX | 
| 28 | MCSPI1_CS0 | MCSPI3_CS0 | MCSPI3_CS0 | MCSPI1 CS0 | 
| 29 | UART2_RX ^ NC ^ NC | UART2_RX | 
| 30 | MCSPI1_SOMI | MCSPI3_SOMI | MCSPI3_SOMI | MCSPI3 SOMI| 
| 31 | UART2_CTS ^ NC ^ NC | UART2 CTS | 
| 32 | MCSPI1_CLK | MCSPI3_CLK | MCSPI3_CLK | MCSPI3 CLK | 
| 33 | UART2_RTS ^ NC ^ NC | UART2 RTS |
| 34 | GPIO_30 ^ NC ^ NC | GPIO_30 | 
| 35 | NC | NC | NC | no connection | 
| 36 | nRESET | nRESET | nRESET | CPU reset | 
| 37 | VCC_IO | VCC_IO | VCC_IO | IO Voltage output | 
| 38 | VCC_IO | VCC_IO | VCC_IO | IO Voltage output | 
| 39 | NC | NC | nc | no connection | 
| 40 | GPMC_CLK | GPMC_CLK | GPMC_CLK | GPMC CLK | 
| 41 | CAN_TX ^ nc ^ nc | CAN TX |
| 42 ^ NC | I2C4_SDA | I2C4_SDA | I2C4_SDA |
| 43 | CAN_RX ^ nc ^ nc | CAN RX |
| 44 ^ NC | I2C4_SCL | I2C4_SCL | I2C4_SCL |
| 45 | UART3_RTS | UART3_RTS | UART3_RTS | UART3 RTS |
| 46 | UART3_RX | UART3_RX | UART3_RX | UART3 RX | 
| 47 | UART3_TX | UART3_TX | UART3_TX | UART3 TX | 
| 48 | UART3_CTS | UART3_CTS | UART3_CTS | UART3 CTS | 
| 49 | GPMC_nWP | GPMC_nWP | GPMC_nWP | GPMC Write Protect | 
| 50 | GPMC_WAIT3 | GPMC_WAIT3 | GPMC_WAIT3 | GPMC WAIT3 | 
| 51 | GPMC_NBE1 | GPMC_NBE1 | GPMC_NBE1 | GPMC NBE1 | 
| 52 | GPMC_WAIT0 | GPMC_WAIT0 | GPMC_WAIT0 | GPMC WAIT0 | 
| 53 | GPMC_WAIT1 ^ nc ^ nc | GPMC_WAIT1 | 
| 54 | GPMC_CLE | GPMC_CLE | GPMC_CLE | GPMC CLE | 
| 55 | GPMC_WAIT2 ^ nc ^ nc | GPMC WAIT2 | 
| 56 | GPMC_nOE | GPMC_nOE | GPMC_nOE | GPMC Read | 
| 57 | GPMC_nWE | GPMC_nWE | GPMC_nWE | GPMC Write | 
| 58 | GPMC_ALE | GPMC_ALE | GPMC_ALE | GPMC ALE | 
| 59 | GPMC_NCS7 | GPMC_NCS7 | GPMC_NCS7 | GPMC NCS7 | 
| 60 | GPMC_NCS5 | GPMC_NCS5 | GPMC_NCS5 | GPMC NCS5 | 
| 61 | GPMC_NCS6 | GPMC_NCS6 | GPMC_NCS6 | GPMC NCS6 | 
| 62 | GPMC_NCS4 | GPMC_NCS4 | GPMC_NCS4 | GPMC NCS4 | 
| 63 | GPMC_NCS0 | GPMC_NCS0 | GPMC_nCS0 | GPMC NCS0 | 
| 64 | GPMC_NCS1 ^ nc ^ nc | GPMC_NCS1 | 
| 65 | GPMC_NCS2 ^ nc ^ nc | GPMC_NCS2 | 
| 66 | GPMC_NCS3 | GPMC_NCS3 | GPMC_NCS3 | GPMC_NCS3 | 
| 67 | GPMC_D15 | GPMC_D15 | GPMC_D15 | GPMC Data 15 | 
| 68 | GPMC_D14 | GPMC_D14 | GPMC_D14 | GPMC Data 14 | 
| 69 | GPMC_D13 | GPMC_D13 | GPMC_D13 | GPMC Data 13 | 
| 70 | GPMC_D12 | GPMC_D12 | GPMC_D12 | GPMC Data 12 | 
| 71 | GPMC_D11 | GPMC_D11 | GPMC_D11 | GPMC Data 11 |
| 72 | GPMC_D10 | GPMC_D10 | GPMC_D10 | GPMC Data 10 |
| 73 | GPMC_D9 | GPMC_D9 | GPMC_D9 | GPMC Data 9 |
| 74 | GPMC_D8 | GPMC_D8 | GPMC_D8 | GPMC Data 8 |
| 75 | GPMC_D7 | GPMC_D7 | GPMC_D7 | GPMC Data 7 |
| 76 | GPMC_D6 | GPMC_D6 | GPMC_D6 | GPMC Data 6 |
| 77 | GPMC_D5 | GPMC_D5 | GPMC_D5 | GPMC Data 5 |
| 78 | GPMC_D4 | GPMC_D4 | GPMC_D4 | GPMC Data 4 |
| 79 | GPMC_D3 | GPMC_D3 | GPMC_D3 | GPMC Data 3 |
| 80 | GPMC_D2 | GPMC_D2 | GPMC_D2 | GPMC Data 2 |
| 81 | GPMC_D1 | GPMC_D1 | GPMC_D1 | GPMC Data 1 |
| 82 | GPMC_D0 | GPMC_D0 | GPMC_D0 | GPMC Data 0 |
| 83 | GPMC_A10 | GPMC_A10 | GPMC_A10 | GPMC Address 10 |
| 84 | GPMC_A9 | GPMC_A9 | GPMC_A9 | GPMC Address 9 |
| 85 | GPMC_A8 | GPMC_A8 | GPMC_A8 | GPMC Address 8 |
| 86 | GPMC_A7 | GPMC_A7 | GPMC_A7 | GPMC Address 7 |
| 87 | GPMC_A6 | GPMC_A6 | GPMC_A6 | GPMC Address 6 |
| 88 | GPMC_A5 | GPMC_A5 | GPMC_A5 | GPMC Address 5 |
| 89 | GPMC_A4 | GPMC_A4 | GPMC_A4 | GPMC Address 4 |
| 90 | GPMC_A3 | GPMC_A3 | GPMC_A3 | GPMC Address 3 |
| 91 | GPMC_A2 | GPMC_A2 | GPMC_A2 | GPMC Address 2 |
| 92 | GPMC_A1 | GPMC_A1 | GPMC_A1 | GPMC Address 1 |
| 93 | MCBSP3_CLKX | MCBSP3_CLKX | MCBSP3_CLKX | MCBSP3_CLKX |
| 94 | I2C3_SDA | I2C3_SDA | I2C3_SDA | I2C3_SDA |
| 95 | MCBSP3_DX | MCBSP3_DX | MCBSP3_DX | MCBSP3_DX |
| 96 | I2C3_SCL | I2C3_SCL | I2C3_SCL | I2C3_SCL |
| 97 | MCBSP3_FSX | MCBSP3_FSX | MCBSP3_FSX | MCBSP3_FSX |
| 98 | I2C2_SCL | I2C2_SCL | I2C2_SCL | I2C2_SCL |
| 99 | MCBSP3_DR | MCBSP3_DR | MCBSP3_DR | MCBSP3_DR |
| 100 | I2C2_SDA | I2C2_SDA | I2C2_SDA | I2C2_SDA |
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