Pin Description
| Num | Function Name | gpio | type | Description |
|---|---|---|---|---|
| 1 | GND | GND | Ground | |
| 2 | MMC2_CLK | gpio1_30 | O | WiFi SDIO clock, gpio1_30 |
| 3 | MMC2_CMD | gpio2_0 | O | WiFi SDIO command, gpio2_0 |
| 4 | MMC2_RST | gpio0_22 | O | WiFi SDIO reset, gpio0_22 |
| 5 | MMC2_IRQ | gpio0_23 | O | WiFi SDIO Interrupt Request, gpio0_23 |
| 6 | PWM_REQ | gpio0_26 | O | PWM_REQ, gpio0_26 |
| 7 | SMPS_REQ | gpio0_27 | O | WiFi SDIO Spatial Multiplexing Power Save Request, gpio0_27 |
| 8 | MMC2_DAT0 | gpio1_12 | I/O | WiFi SDIO data 0, gpio1_12 |
| 9 | MMC2_DAT1 | gpio1_13 | I/O | WiFi SDIO data 1, gpio1_13 |
| 10 | MMC2_DAT2 | gpio1_14 | I/O | WiFi SDIO data 2, gpio1_14 |
| 11 | MMC2_DAT3 | gpio1_15 | I/O | WiFi SDIO data 3, gpio1_15 |
| 12 | GND | G | Ground | |
| 13 | MDIO_CLK | gpio0_1 | O | MDIO Clk, gpio0_1 |
| 14 | MDIO_DATA | gpio0_0 | I/O | MDIO Data, gpio0_0 |
| 15 | GMII2_TXEN | gpio1_16 | O | GMII2 Transmit Enable, gpio1_16 |
| 16 | GMII2_RXDV | gpio1_17 | O | GMII2 Receive Data Valid, gpio1_17 |
| 17 | GMII2_TXD3 | gpio1_18 | O | GMII2 Transmit Data bit 3, gpio1_18 |
| 18 | GMII2_TXD2 | gpio1_19 | O | GMII2 Transmit Data bit 2, gpio1_19 |
| 19 | GMII2_TXD1 | gpio1_20 | O | GMII2 Transmit Data bit 1, gpio1_20 |
| 20 | GMII2_TXD0 | gpio1_21 | O | GMII2 Transmit Data bit 0, gpio1_21 |
| 21 | GMII2_TXCLK | gpio1_22 | I | GMII2 Transmit Clock, gpio1_22 |
| 22 | GMII2_RXCLK | gpio1_23 | I | GMII2 Receive Clock, gpio1_23 |
| 23 | GMII2_RXD3 | gpio1_24 | I | GMII2 Receive Data bit 3, gpio1_24 |
| 24 | GMII2_RXD2 | gpio1_25 | I | GMII2 Receive Data bit 2, gpio1_25 |
| 25 | GMII2_RXD1 | gpio1_26 | I | GMII2 Receive Data bit 1, gpio1_26 |
| 26 | GMII2_RXD0 | gpio1_27 | I | GMII2 Receive Data bit 0, gpio1_27 |
| 27 | USB0_DRV | gpio0_18 | O | USB0 Active high VBUS control output, gpio0_18 |
| 28 | USB0_VBUS | A | USB0 VBUS detection input | |
| 29 | USB0_CE | A | no connect | |
| 30 | USB0_ID | A | USB0 OTG ID (Micro-A or Micro-B Plug) | |
| 31 | GND | GND | Ground | |
| 32 | USB0_DP | DIFF | USB0 Data plus | |
| 33 | USB0_DM | DIFF | USB0 Data minus | |
| 34 | GND | GND | Ground | |
| 35 | USB1_DP | DIFF | USB1 Data plus | |
| 36 | USB1_DM | DIFF | USB1 Data minus | |
| 37 | GND | GND | Ground | |
| 38 | USB1_ID | A | USB0 ID | |
| 39 | USB1_DRV | gpio3_13 | O | USB1 Active high VBUS control output, gpio3_13 |
| 40 | USB1_VBUS | A | USB1 VBUS detection input | |
| 41 | RESETN | I | Active low Power on Reset | |
| 42 | RTC_RST | I | Active low RTC reset input | |
| 43 | WDT | I | Manual Reset input | |
| 44 | PWR_BUT | I | PMIC bottom input | |
| 45 | VDD_5V | PWR | 5V Supply input | |
| 46 | VDD_5V | PWR | 5V Supply input | |
| 47 | GND | GND | Ground | |
| 48 | VDD_3.3VB | PWR | 3.3V IO Level output | |
| 49 | VDD18_RTC | PWR | RTC Battery | |
| 50 | GND | GND | Ground | |
| 51 | MMC0_CLK | gpio2_30 | O | MMC0 clock, gpio2_30 |
| 52 | MMC0_CMD | gpio2_31 | O | MMC0 command, gpio2_31 |
| 53 | MMC0_DAT0 | gpio2_29 | IO | MMC0 data 0, gpio2_29 |
| 54 | MMC0_DAT1 | gpio2_28 | IO | MMC0 data 1, gpio2_28d |
| 55 | MMC0_DAT2 | gpio2_27 | IO | MMC0 data 2, gpio2_27 |
| 56 | MMC0_DAT3 | gpio2_26 | IO | MMC0 data 3, gpio2_26 |
| 57 | MCASP0_AHCLKX | gpio3_21 | O | McASP/I2S MCLK, gpio3_21 |
| 58 | I2C0_SCL | gpio3_6 | O | I2C0 clock (open drain with pull-up resistor on the SOM), gpio3_6 |
| 59 | I2C0_SDA | gpio3_5 | IO | I2C0 data (open drain with pull-up resistor on the SOM), gpio3_5 |
| 60 | LEDA | I | WLED driver，no connect | |
| 61 | LEDK1 | I | WLED driver，no connect | |
| 62 | LEDK2 | I | WLED driver，no connect | |
| 63 | GND | GND | Ground | |
| 64 | RGMII1_TRP0 | DIFF | Ethernet Data 0 Positive | |
| 65 | RGMII1_TRN0 | DIFF | Ethernet Data 0 Negative | |
| 66 | RGMII1_TRP1 | DIFF | Ethernet Data 1 Positive | |
| 67 | RGMII1_TRN1 | DIFF | Ethernet Data 1 Negative | |
| 68 | GND | GND | Ground | |
| 69 | RGMII1_TRP2 | DIFF | Ethernet Data 2 Positive | |
| 70 | RGMII1_TRN2 | DIFF | Ethernet Data 2 Negative | |
| 71 | RGMII1_TRP3 | DIFF | Ethernet Data 3 Positive | |
| 72 | RGMII1_TRN3 | DIFF | Ethernet Data 3 Negative | |
| 73 | GND | GND | Ground | |
| 74 | RGMII1_LINK | O | PHY 1000M Link LED | |
| 75 | RGMII1_ACT | O | PHY Status LED | |
| 76 | RGMII1_OPT | O | PHY 100M Link LED | |
| 77 | GND | GND | Ground | |
| 78 | DCAN0_TX | gpio0_12 J13-8 | O | User LED1, gpio0_12 |
| 79 | DCAN0_RX | gpio0_13 J13-6 | O | User LED2, gpio0_13 |
| 80 | UART0_TX | gpio1_11,J10 | O | Dbg Uart TX, gpio1_11 |
| 81 | UART0_RX | gpio1_10,J10 | I | Dbg Uart RX, gpio1_10 |
| 82 | UART1_TX | gpio0_15 | O | Uart 1 TX, gpio0_15 |
| 83 | UART1_RX | gpio0_14,J13-7 | I | Uart 1 RX, gpio0_14 |
| 84 | UART2_TX | gpio3_2 CON2 | O | Uart 2 TX, use for RS485, gpio3_2 |
| 85 | UART2_RX | gpio3_1 CON2 | I | Uart 2 RX, use for RS485, gpio3_1 |
| 86 | GND | GND | Ground | |
| 87 | UART3_TX | gpio0_7 | O | Buzzer, gpio0_7 |
| 88 | UART3_RX | gpio0_6 | I | Touch INT, gpio0_6 |
| 89 | UART4_TX | gpio1_9 | O | Uart 4 TX, use for CAN, gpio1_9 |
| 90 | UART4_RX | gpio1_8 | I | Uart 4 RX, use for CAN, gpio1_8 |
| 91 | UART5_TX | gpio0_29 | I | User KEY2, gpio0_29 |
| 92 | UART5_RX | gpio3_0 | I | User KEY1, gpio3_0 |
| 93 | GND | GND | Ground | |
| 94 | JTAG_TRSTn | O | JTAG TEST RESET (ACTIVE LOW) | |
| 95 | JTAG_TMS | O | JTAG TEST MODE SELECT | |
| 96 | JTAG_TDI | I | JTAG TEST DATA INPUT | |
| 97 | JTAG_TCK | I | JTAG TEST CLOCK | |
| 98 | JTAG_TDO | O | JTAG TEST DATA OUTPUT | |
| 99 | VDD_ADC | PWR | Supply voltage range for ADC | |
| 100 | AIN0 | A | Analog Input/Output 0, used with touchscreen | |
| 101 | AIN1 | A | Analog Input/Output 1, used with touchscreen | |
| 102 | AIN2 | A | Analog Input/Output 2, used with touchscreen | |
| 103 | AIN3 | A | Analog Input/Output 3, used with touchscreen | |
| 104 | AIN4 | A | Analog Input/Output 4, used with touchscreen | |
| 105 | AIN5 | A | Analog Input/Output 5 | |
| 106 | AIN6 | A | Analog Input/Output 6 | |
| 107 | AIN7 | A | Analog Input/Output 7 | |
| 108 | GND | GND | Ground | |
| 109 | EVENT_INTR0 | gpio0_19 | O | LCD Enable, gpio0_19 |
| 110 | EVENT_INTR1 | gpio0_20 | I | NET1 INIT, gpio0_19 |
| 111 | GND | GND | Ground | |
| 112 | I2C1_SCL | gpio0_5 | O | I2C1_SCL, gpio0_5 |
| 113 | I2C1_SDA | gpio0_4 | IO | I2C1 Data, gpio0_4 |
| 114 | PWM1 | gpio0_2 | O | LCD Bright, gpio0_2 |
| 115 | PWM2 | gpio0_3 | O | LED, gpio0_3 |
| 116 | GND | GND | Ground | |
| 117 | MCASP0_ACLKX | gpio3_14 | O | McASP0/ I2S Transmit Bit Clock, gpio3_14 |
| 118 | MCASP0_FSX | gpio3_15 | O | McASP0 Transmit Frame Sync, gpio3_14 |
| 119 | GPIO3_16 | gpio3_16 | O | gpio3_16 use for Touchscreen reset |
| 120 | MCASP0_AHCLKR | gpio3_17 | IO | McASP0 Receive Master Clock, gpio3_17 |
| 121 | USER_LED1 | gpio3_18 | O | SOM LED, gpio3_18 |
| 122 | GPIO3_19 | gpio3_19 | I | gpio MMC0 detection, gpio3_19 |
| 123 | MCASP0_AXR1 | gpio3_20 | IO | McASP0 Serial Data (IN/OUT), gpio3_20 |
| 124 | LCD_DATA0 | gpio2_6 | IO | LCD Data line 0, gpio2_6 |
| 125 | LCD_DATA1 | gpio2_7 | IO | LCD Data line 1, gpio2_7 |
| 126 | LCD_DATA2 | gpio2_8 | IO | LCD Data line 2, gpio2_8 |
| 127 | LCD_DATA3 | gpio2_9 | IO | LCD Data line 3 / boot config / gpio2_9 |
| 128 | LCD_DATA4 | gpio2_10 | IO | LCD Data line 4, gpio2_10 |
| 129 | LCD_DATA5 | gpio2_11 | IO | LCD Data line 5, gpio2_11 |
| 130 | LCD_DATA6 | gpio2_12 | IO | LCD Data line 6, gpio2_12 |
| 131 | LCD_DATA7 | gpio2_13 | IO | LCD Data line 7, gpio2_13 |
| 132 | GND | GND | Ground | |
| 133 | LCD_DATA8 | gpio2_14 | IO | LCD Data line 8, gpio2_14 |
| 134 | LCD_DATA9 | gpio2_15 | IO | LCD Data line 9, gpio2_15 |
| 135 | LCD_DATA10 | gpio2_16 | IO | LCD Data line 10, gpio2_16 |
| 136 | LCD_DATA11 | gpio2_17 | IO | LCD Data line 11, gpio2_17 |
| 137 | LCD_DATA12 | gpio0_8 | IO | LCD Data line 12, gpio0_8 |
| 138 | LCD_DATA13 | gpio0_9 | IO | LCD Data line 13, gpio0_9 |
| 139 | LCD_DATA14 | gpio0_10 | IO | LCD Data line 14, gpio0_10 |
| 140 | LCD_DATA15 | gpio0_11 | IO | LCD Data line 15, gpio0_11 |
| 141 | GND | GND | Ground | |
| 142 | LCDPCLK | gpio2_24 | O | LCD peix clock, gpio2_24 |
| 143 | LCDVSYNC | gpio2_22 | O | LCD vertical Synchronization signal, gpio2_22 |
| 144 | LCDVHYNC | gpio2_23 | O | LCD horizontal Synchronization signal, gpio2_23 |
| 145 | LCDDE | gpio2_25 | O | LCD Data Enable, gpio2_25 |
| 146 | GND | Ground |
Table 3-1