查看“SOM-6531”的源代码

==接口布局==
===接口概览===
[[File:SOM-6531接口布局.jpg |thumb|300px|SOM-6531 接口布局]]
[[File:SOM-6531接口布局.jpg |thumb|300px|SOM-6531 接口布局]]
<!--
===机械尺寸===
[[File:SOM-6530尺寸.png|frameless|500px|]]
-->
===接口说明===
===== J1 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || USB_HOST_DP || USB_HOST_DP || 2 || GND ||/
|-
| 3 || USB_HOST_DM || USB_HOST_DM || 4 || GPIO0_A7 || GPIO0_A7/PCIE_WAKE_M0
|-
| 5 || GND || / || 6 || / || I2C1_SCL/GPIO0_C0
|-
| 7 || OTG_DP || OTG_DP || 8 || / || I2C1_SDA/GPIO0_C1
|-
| 9 || OTG_DM || OTG_DM|| 10 || / || PCIE_PERST#_L
|-
| 11 || GND || / || 12 || GND || /
|-
| 13 || / || PCIE_REFCLKP  || 14 || OTG_DRV || GPIO0_B7/PWM0/OTG_DRV
|-
| 15 || / || PCIE_REFCLKN || 16 || / || PCIE_CLKREQN_M1/GPIO0_C6/UART3_CTS
|-
| 17 || GND || / || 18 || GND || /
|-
| 19 || / || PCIE_TX1P || 20 || / || PCIE_RX1P
|-
| 21 || / || PCIE_TX1N || 22 || / || PCIE_RX1N
|-
| 23 || GND || /|| 24 || GND || /
|-
| 25 || USB_OTG_VBUS || USB_OTG_VBUS || 26 || USB_OTG_ID || USB_OTG_ID
|-
| 27 || GPIO0_B6 || GPIO0_B6/PCIE_PERST_M1 || 28 || UART5_RX || UART5_RX/I2C4_SDA/GPIO3_C3/LCDC_D9
|-
| 29 || GND || / || 30 || UART5_TX || UART5_TX/I2C4_SCL/GPIO3_C2/LCDC_D8
|-
| 31 || USB3_SSRXN || PCIE_RX0N/USB3_SSRXN || 32 || GND || /
|-
| 33 || USB3_SSRXP || PCIE_RX0P/USB3_SSRXP || 34 || ADC_IN0 || ADC_IN0
|-
| 35 || GND || / || 36 || / || ADC_IN1
|-
| 37 || USB3_SSTXN || PCIE_TX0N/USB3_SSTXN ||  38 || / || ADC_IN3
|-
| 39 || USB3_SSTXP || PCIE_TX0P/USB3_SSTXP ||  40 || RECOVER_JP || /
|}

===== J2 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || UART3_RTS/GPIO0_C7 || / || 2 || GND ||/
|-
| 3 || LCDC_D4/GPIO2_C4 || / || 4 || GND ||/
|-
| 5 || LCDC_D5/GPIO2_C5 || / || 6 || GMAC_MDIO || /
|-
| 7 || GND || / || 8 || GMAC_MDC || /
|-
| 9 || GMAC_RXER/GPIO2_A6 || /|| 10 || GND || /
|-
| 11 || GND || / || 12 || GND || /
|-
| 13 || GPIO2_B1 || /  || 14 || PHY_MDC || /
|-
| 15 || UART7_TX/GPIO3_C6 || / || 16 || PHY_MDIO || /
|-
| 17 || UART6_TX/GPIO3_C4 || / || 18 || GND || /
|-
| 19 || UART6_RX/GPIO3_C5 || / || 20 || GND || /
|-
| 21 || GND || / || 22 || SPKP_OUT || /
|-
| 23 || VCCIO_SD || /|| 24 || SPKN_OUT || /
|-
| 25 || UART7_RX/SPI1_CLK_M1 || /|| 26 || GND || /
|-
| 27 || PWM8/SPI1_MOSI_M1 || / || 28 || HPL_OUT || /
|-
| 29 || PWM11/GPIO3_D3 || / || 30 || HP_SNS || /
|-
| 31 || PWM10/GPIO3_D2 || / || 32 || HPR_OUT || /
|-
| 33 || PWM9/GPIO3_D1 || / || 34 || GND || /
|-
| 35 || GND || / || 36 || MIC1N || /
|-
| 37 || PWRON_KEY || / ||  38 || MIC1P || /
|-
| 39 || CLKOUT_32K || / ||  40 || RESET_L || /
|}

===== J3 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || VCC5V0_SYS || / || 2 || VCC5V0_SYS ||/
|-
| 3 || VCC5V0_SYS || / || 4 || VCC5V0_SYS ||/
|-
| 5 || VCC5V0_SYS || / || 6 || VCC5V0_SYS || /
|-
| 7 || GND || / || 8 || GND || /
|-
| 9 || GND || /|| 10 || GND || /
|-
| 11 || GND || / || 12 || GND || /
|-
| 13 || GND || /  || 14 || GND || /
|-
| 15 || GND || / || 16 || GND || /
|-
| 17 || UART0_TX/GPIO0_B2 || / || 18 || GND || /
|-
| 19 || PWM1/UART3_TX/GPIO0_C3 || / || 20 || UART0_RX/GPIO0_B3 || /
|-
| 21 || GPIO4_C3_u || / || 22 || UART0_RTS/TEST_CLK1/GPIO0_B5 || /
|-
| 23 || GND || /|| 24 || PWM3/UART3_RX || /
|-
| 25 || I2C3_SDA/UART2_RX_M1 || /|| 26 || UART0_CTS/GPIO0_B4 || /
|-
| 27 || I2C3_SCL/UART2_TX_M1 || / || 28 || GND || /
|-
| 29 || I2C5_SCL/GPIO4_C1 || / || 30 || SDMMC1_CMD/GPIO4_A6 || /
|-
| 31 || I2C5_SDA/GPIO4_C2 || / || 32 || SDMMC1_CLK/GPIO4_A7 || /
|-
| 33 || GPIO4_C4_u || / || 34 || SDMMC1_D0/UART1_RX_M0 || /
|-
| 35 || VCCIO_3V3 || / || 36 || SDMMC1_D1/UART1_TX_M0 || /
|-
| 37 || GND || / ||  38 || SDMMC1_D2/UART1_CTS/GPIO4_B2 || /
|-
| 39 || VCC_1V8 || / ||  40 || SDMMC1_D3/UART1_RTS/GPIO4_B3 || /
|}

===== J4 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || MIPI_CSI_D0N || / || 2 || I2S0_SCLK_RX/GPIO3_B0 ||/
|-
| 3 || MIPI_CSI_D0P || / || 4 || I2S0_SDI1/PDM_SDI1/GPIO3_A7 ||/
|-
| 5 || GND || / || 6 || I2S0_SDI2/PDM_SDI2/GPIO3_A6 || /
|-
| 7 || MIPI_CSI_D1N || / || 8 || I2S0_SDI3/PDM_SDI3/GPIO3_A5 || /
|-
| 9 || MIPI_CSI_D1P || /|| 10 || I2S0_SDI0/PDM_SDI0/GPIO3_C1 || /
|-
| 11 || GND || / || 12 || I2S0_SDO3 || /
|-
| 13 || MIPI_CSI_D2N || /  || 14 || I2S0_SDO2 || /
|-
| 15 || MIPI_CSI_D2P || / || 16 || I2S0_SDO0 || /
|-
| 17 || GND || / || 18 || I2S0_SDO1 || /
|-
| 19 || MIPI_CSI_D3N || / || 20 || I2S0_LRCK_RX/GPIO3_B1 || /
|-
| 21 || MIPI_CSI_D3P || / || 22 || I2S0_MCLK || /
|-
| 23 || GND || /|| 24 || I2S0_SCLK_TX || /
|-
| 25 || MIPI_CSI_CLKN || /|| 26 || I2S0_LRCK_TX || /
|-
| 27 || MIPI_CSI_CLKP || / || 28 || GND || /
|-
| 29 || GND || / || 30 || SDMMC0_CMD/TEST_CLK0/GPIO4_A0 || /
|-
| 31 || MIPI_MCLK || / || 32 || SDMMC0_CLK/GPIO4_A1 || /
|-
| 33 || VDD1V5_DVP || / || 34 || SDMMC0_D0/UART2_TX_M0 || /
|-
| 35 || VCC2V8_DVP || / || 36 || SDMMC0_D1/UART2_RX_M0 || /
|-
| 37 || VCC3V3_SD || / ||  38 || SDMMC0_D2/JTAG_TCK/GPIO4_A4 || /
|-
| 39 || SDMMC0_DETN/PCIE_CLKREQN_M0 || / ||  40 || SDMMC0_D3/JTAG_TMS/GPIO4_A5 || /
|}

===== J5 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || UART4_RX/SPI1_CLK_M0 || / || 2 || SPI0_CLK/PWM5/GPIO1_B7 ||/
|-
| 3 || UART4_TX/SPI1_MOSI_M0 || / || 4 || I2C2_SCL_M1/UART1_RX_M1 ||/
|-
| 5 || GND || / || 6 || I2C2_SDA_M1/UART1_TX_M1 || /
|-
| 7 || MIPI_DSI_D0P || / || 8 || SPI0_CSN/PWM4/GPIO1_B6 || /
|-
| 9 || MIPI_DSI_D0N || /|| 10 || GND || /
|-
| 11 || GND || / || 12 || VCC33_LAN || /
|-
| 13 || MIPI_DSI_D1P || /  || 14 || LED2/YELLOW- || /
|-
| 15 || MIPI_DSI_D1N || / || 16 || LED1/CFG_LDO0/GREEN+ || /
|-
| 17 || GND || / || 18 || GND || /
|-
| 19 || MIPI_DSI_D2P || / || 20 || MDI0+ || /
|-
| 21 || MIPI_DSI_D2N || / || 22 || MDI0- || /
|-
| 23 || GND || /|| 24 || GND || /
|-
| 25 || MIPI_DSI_D3P || /|| 26 || MDI1+ || /
|-
| 27 || MIPI_DSI_D3N || / || 28 || MDI1- || /
|-
| 29 || GND || / || 30 || GND || /
|-
| 31 || MIPI_DSI_CLKP || / || 32 || MDI2+ || /
|-
| 33 || MIPI_DSI_CLKN || / || 34 || MDI2- || /
|-
| 35 || GPIO4_C0 || / || 36 || GND || /
|-
| 37 || GPIO4_B7 || / ||  38 || MDI3+ || /
|-
| 39 || GPIO4_B6 || / ||  40 || MDI3- || /
|}

==快速入门==
===系统下载===


===系统烧录===
* 将烧录线与主板连接，并接通电源
** 接口位置依据底板而定


===U盘升级===


===API参考与使用===