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]]
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===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 || GND
|-
| 3 || USB_HOST_DM || USB_HOST_DM || 4 || GPIO0_A7 || GPIO0_A7/PCIE_WAKE_M0
|-
| 5 || GND || GND || 6 || I2C1_SCL || I2C1_SCL/GPIO0_C0
|-
| 7 || OTG_DP || OTG_DP || 8 || I2C1_SDA || I2C1_SDA/GPIO0_C1
|-
| 9 || OTG_DM || OTG_DM|| 10 || / || /
|-
| 11 || GND || GND || 12 || GND || GND
|-
| 13 || / || PCIE_REFCLKP  || 14 || OTG_DRV || GPIO0_B7/PWM0/OTG_DRV
|-
| 15 || / || PCIE_REFCLKN || 16 || GPIO0_C6 || PCIE_CLKREQN_M1/GPIO0_C6/UART3_CTS
|-
| 17 || GND || GND || 18 || GND || GND
|-
| 19 || / || PCIE_TX1P || 20 || / || PCIE_RX1P
|-
| 21 || / || PCIE_TX1N || 22 || / || PCIE_RX1N
|-
| 23 || GND || GND || 24 || GND || 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 || GND || 30 || UART5_TX || UART5_TX/I2C4_SCL/GPIO3_C2/LCDC_D8
|-
| 31 || USB3_SSRXN || PCIE_RX0N/USB3_SSRXN || 32 || GND || GND
|-
| 33 || USB3_SSRXP || PCIE_RX0P/USB3_SSRXP || 34 || ADC_IN0 || ADC_IN0
|-
| 35 || GND || GND || 36 || / || ADC_IN1
|-
| 37 || USB3_SSTXN || PCIE_TX0N/USB3_SSTXN ||  38 || / || ADC_IN3
|-
| 39 || USB3_SSTXP || PCIE_TX0P/USB3_SSTXP ||  40 || 刷机模式 || ADC_IN2
|}

===== J2 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || GPIO0_C7 || UART3_RTS/GPIO0_C7 || 2 || GND || GND
|-
| 3 || GPIO2_C4 || LCDC_D4/GPIO2_C4 || 4 || GND || GND
|-
| 5 || GPIO2_C5 || LCDC_D5/GPIO2_C5 || 6 || GMAC_MDIO || GMAC_MDIO
|-
| 7 || GND || GND || 8 || GMAC_MDC || GMAC_MDC
|-
| 9 || GPIO2_A6 || GPIO2_A6/CIF_D4/RGMII_RXER/SPI2_MOSI_M1 || 10 || GND || GND
|-
| 11 || GND || GND || 12 || GND || GND
|-
| 13 || GPIO2_B1 || GPIO2_B1/CIF_D7/RGMII_COL  || 14 || PHY_MDC || PHY_MDC
|-
| 15 || UART7_TX || GPIO3_C6/LCDC_D12/UART7_TX || 16 || PHY_MDIO || PHY_MDIO
|-
| 17 || UART6_TX || GPIO3_C4/LCDC_D10/UART6_TX || 18 || GND || GND
|-
| 19 || UART6_RX || GPIO3_C5/LCDC_D11/UART6_RX || 20 || GND || GND
|-
| 21 || GND || GND || 22 || SPKP_OUT || SPKP_OUT(rk809)
|-
| 23 || VCCIO_SD || VCCIO_SD || 24 || SPKN_OUT || SPKN_OUT(rk809)
|-
| 25 || UART7_RX || GPIO3_C7/LCDC_D13/UART7_RX/SPI1_CLK_M1 || 26 || GND || GND
|-
| 27 || PWM8 || GPIO3_D0/LCDC_D14/PWM8/SPI1_MOSI_M1 || 28 || HPL_OUT || HPL_OUT(rk809)
|-
| 29 || GPIO3_D3 || GPIO3_D3/LCDC_D17/PWM11/SPI1_CSN1_M1 || 30 || HP_SNS || HP_SNS(rk809)
|-
| 31 || GPIO3_D2 || GPIO3_D2/LCDC_D16/PWM10/SPI1_MISO_M1 || 32 || HPR_OUT || HPR_OUT(rk809)
|-
| 33 || GPIO3_D1 || GPIO3_D1/LCDC_D15/PWM9/SPI1_CSN0_M1 || 34 || GND || GND
|-
| 35 || GND || GND || 36 || MIC1N || MIC1N(rk809)
|-
| 37 || PWRON_KEY || PWRON_KEY(rk809) ||  38 || MIC1P || MIC1P(rk809)
|-
| 39 || / || CLKOUT_32K ||  40 || RESET_L || NPOR(Chip hardware reset)
|}

===== J3 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || VCC5V0_SYS || VCC5V0_SYS || 2 || VCC5V0_SYS || VCC5V0_SYS
|-
| 3 || VCC5V0_SYS || VCC5V0_SYS || 4 || VCC5V0_SYS || VCC5V0_SYS
|-
| 5 || VCC5V0_SYS || VCC5V0_SYS || 6 || VCC5V0_SYS || VCC5V0_SYS
|-
| 7 || GND || GND || 8 || GND || GND
|-
| 9 || GND || GND || 10 || GND || GND
|-
| 11 || GND || GND || 12 || GND || GND
|-
| 13 || GND || GND  || 14 || GND || GND
|-
| 15 || GND || GND || 16 || GND || GND
|-
| 17 || UART0_TX || GPIO0_B2/UART0_TX || 18 || GND || GND
|-
| 19 || UART3_TX || GPIO0_C3/PWM1/UART3_TX || 20 || UART0_RX || GPIO0_B3/UART0_RX
|-
| 21 || GPIO4_C3_u || GPIO4_C3 || 22 || GPIO0_B5 || GPIO0_B5/UART0_RTS/TEST_CLK1
|-
| 23 || GND || GND || 24 || UART3_RX || GPIO0_C4/PWM3/UART3_RX
|-
| 25 || I2C3_SDA || GPIO2_D1/I2C3_SDA/UART2_RX_M1 || 26 || GPIO0_B4 || GPIO0_B4/UART0_CTS
|-
| 27 || I2C3_SCL || GPIO2_D0/I2C3_SCL/UART2_TX_M1 || 28 || GND || GND
|-
| 29 || I2C5_SCL || GPIO4_C1/I2C5_SCL || 30 || GPIO4_A6 || GPIO4_A6/SDMMC1_CMD
|-
| 31 || I2C5_SDA || GPIO4_C2/I2C5_SDA || 32 || GPIO4_A7 || GPIO4_A7/SDMMC1_CLK
|-
| 33 || GPIO4_C4_u || GPIO4_C4 || 34 || GPIO4_B0 || GPIO4_B0/SDMMC1_D0/UART1_RX_M0
|-
| 35 || VCCIO_3V3 || VCCIO_3V3 || 36 || GPIO4_B1 || GPIO4_B1/SDMMC1_D1/UART1_TX_M0
|-
| 37 || GND || GND ||  38 || GPIO4_B2 || GPIO4_B2/SDMMC1_D2/UART1_CTS
|-
| 39 || VCC_1V8 || VCC_1V8 ||  40 || GPIO4_B3 || GPIO4_B3/SDMMC1_D3/UART1_RTS
|}

===== J4 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || MIPI_CSI_D0N || MIPI_CSI_D0N || 2 || GPIO3_B0 || GPIO3_B0/I2S0_SCLK_RX/PDM_CLK0
|-
| 3 || MIPI_CSI_D0P || MIPI_CSI_D0P || 4 || GPIO3_A7 || GPIO3_A7/I2S0_SDI1/PDM_SDI1
|-
| 5 || GND || GND || 6 || GPIO3_A6 || GPIO3_A6/I2S0_SDI2/PDM_SDI2
|-
| 7 || MIPI_CSI_D1N || MIPI_CSI_D1N || 8 || GPIO3_A5 || GPIO3_A5/I2S0_SDI3/PDM_SDI3
|-
| 9 || MIPI_CSI_D1P || MIPI_CSI_D1P|| 10 || GPIO3_C1 || GPIO3_C1/I2S0_SDI0/PDM_SDI0
|-
| 11 || GND || GND || 12 || I2S0_SDO3 || GPIO3_B2/I2S0_SDO3/ISP_FLASHTRIGIN/LCDC_HS
YNC_M1
|-
| 13 || MIPI_CSI_D2N || MIPI_CSI_D2N  || 14 || I2S0_SDO2 || GPIO3_B3/I2S0_SDO2/I2C2_SCL_M0/LCDC_VSYNC_M1
|-
| 15 || MIPI_CSI_D2P || MIPI_CSI_D2P || 16 || I2S0_SDO0 || GPIO3_C0/I2S0_SDO0/ISP_SHUTTERTRIG
|-
| 17 || GND || GND || 18 || I2S0_SDO1 || GPIO3_B4/I2S0_SDO1/I2C2_SDA_M0
|-
| 19 || MIPI_CSI_D3N || MIPI_CSI_D3N || 20 || I2S0_LRCK_RX || GPIO3_B1/I2S0_LRCK_RX/PDM_CLK1
|-
| 21 || MIPI_CSI_D3P || MIPI_CSI_D3P || 22 || I2S0_MCLK || GPIO3_B5/I2S0_MCLK/ISP_SHUTTEREN
|-
| 23 || GND || GND || 24 || I2S0_SCLK_TX || GPIO3_B7/I2S0_SCLK_TX/ISP_PRELIGHTTRIG
|-
| 25 || MIPI_CSI_CLKN || MIPI_CSI_CLKN || 26 || I2S0_LRCK_TX || GPIO3_B6/I2S0_LRCK_TX/ISP_FLASHTRIGOUT
|-
| 27 || MIPI_CSI_CLKP || MIPI_CSI_CLKP || 28 || GND || GND
|-
| 29 || GND || GND || 30 || GPIO4_A0 || GPIO4_A0/SDMMC0_CMD/TEST_CLK0
|-
| 31 || MIPI_MCLK || MIPI_MCLK || 32 || GPIO4_A1 || GPIO4_A1/SDMMC0_CLK
|-
| 33 || VDD1V5_DVP || VDD1V5_DVP || 34 || UART2_TX_M0 || GPIO4_A2/SDMMC0_D0/UART2_TX_M0
|-
| 35 || VCC2V8_DVP || VCC2V8_DVP || 36 || UART2_RX_M0 || GPIO4_A3/SDMMC0_D1/UART2_RX_M0
|-
| 37 || VCC3V3_SD || VCC3V3_SD ||  38 || GPIO4_A4 || GPIO4_A4/SDMMC0_D2/JTAG_TCK
|-
| 39 || SDMMC0_DETN/PCIE_CLKREQN_M0 || / ||  40 || GPIO4_A5 || GPIO4_A5/SDMMC0_D3/JTAG_TMS
|}

===== J5 =====
::{| class="wikitable"
|-
!  Pin# !!引脚定义 !!  功能 !!Pin# !! 引脚定义 !! 功能
|-
| 1 || UART4_RX || GPIO4_B4/UART4_RX/SPI1_CLK_M0 || 2 || SPI0_CLK/PWM5/GPIO1_B7 ||/
|-
| 3 || UART4_TX || GPIO4_B5/UART4_TX/SPI1_MOSI_M0 || 4 || I2C2_SCL_M1/UART1_RX_M1 ||/
|-
| 5 || GND || GND || 6 || I2C2_SDA_M1/UART1_TX_M1 || /
|-
| 7 || MIPI_DSI_D0P || MIPI_DSI_D0P || 8 || SPI0_CSN/PWM4/GPIO1_B6 || /
|-
| 9 || MIPI_DSI_D0N || MIPI_DSI_D0N || 10 || GND || /
|-
| 11 || GND || GND || 12 || VCC33_LAN || /
|-
| 13 || MIPI_DSI_D1P || MIPI_DSI_D1P  || 14 || LED2/YELLOW- || /
|-
| 15 || MIPI_DSI_D1N || MIPI_DSI_D1N || 16 || LED1/CFG_LDO0/GREEN+ || /
|-
| 17 || GND || GND || 18 || GND || GND
|-
| 19 || MIPI_DSI_D2P || MIPI_DSI_D2P || 20 || MDI0+ || /
|-
| 21 || MIPI_DSI_D2N || MIPI_DSI_D2N || 22 || MDI0- || /
|-
| 23 || GND || GND || 24 || GND || GND
|-
| 25 || MIPI_DSI_D3P || MIPI_DSI_D3P || 26 || MDI1+ || /
|-
| 27 || MIPI_DSI_D3N || MIPI_DSI_D3N || 28 || MDI1- || /
|-
| 29 || GND || GND || 30 || GND || GND
|-
| 31 || MIPI_DSI_CLKP || MIPI_DSI_CLKP || 32 || MDI2+ || /
|-
| 33 || MIPI_DSI_CLKN || 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===