MYZR-I.MX8Mmini 硬件介绍 ========================== 接口概览 --------- **正面图** .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/1500px-IMX8MM-EK240frontB.png :alt: 1500px-IMX8MM-EK240frontB.png **背面图** .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/1500px-IMX8MM-EK240backB.png :alt: 1500px-IMX8MM-EK240backB.png **尺寸图** .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-MYZR-I.MX8Mmini-CB240size.png :alt: 963px-MYZR-I.MX8Mmini-CB240size.png 接口功能 --------- WIFI/BT天线 ~~~~~~~~~~~~~ | 丝印：ANT 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmANT.png :alt: 963px-8mmANT.png TF卡 ~~~~~~ | 丝印：J10 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-TF_CARD.png :alt: 963px-TF_CARD.png 调试串口 ~~~~~~~~~ | 丝印：J12 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-DEBUG_SERIAL8mm.png :alt: 963px-DEBUG_SERIAL8mm.png ========== =================== 使用的引脚 功能 ========== =================== UART4_TXD MCU调试串口数据输出 UART2_TXD CPU调试串口数据输出 UART4_RXD MCU调试串口数据接收 UART2_RXD CPU调试串口数据接收 ========== =================== MIPI_DSI接口 ~~~~~~~~~~~~~ | 丝印：J2 引脚及信号定义如下: .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-Imx8mmMIPI_DSI.png :alt: 963px-Imx8mmMIPI_DSI.png +-------+------------+--------------+-------+-------------+--------------+ | 引脚 | 信号 | 描述 | 引脚 | 信号 | 描述 | +-------+------------+--------------+-------+-------------+--------------+ | J2-1 | DCDC_5V | 5V输出 | J2-16 | DSI_DN0 | DSI差分数据0 | +-------+ + +-------+-------------+--------------+ | J2-2 | | | J2-17 | GND | 数字地 | +-------+ + +-------+-------------+--------------+ | J2-3 | | | J2-18 | DSI_CKP | DSI差分时钟 | +-------+------------+--------------+-------+-------------+--------------+ | J2-4 | VDD_3V3 | 3.3V输出 | J2-19 | DSI_CKN | DSI差分时钟 | +-------+ + +-------+-------------+--------------+ | J2-5 | | | J2-20 | GND | 数字地 | +-------+------------+--------------+-------+-------------+--------------+ | J2-6 | VDD_1V8 | 1.8V输出 | J2-21 | DSI_DP1 | DSI差分数据1 | +-------+ + +-------+-------------+--------------+ | J2-7 | | | J2-22 | DSI_DN1 | DSI差分数据1 | +-------+------------+--------------+-------+-------------+--------------+ | J2-8 | SDIO_WAKE | GPIO控制 | J2-23 | GND | 数字地 | +-------+------------+--------------+-------+-------------+--------------+ | J2-9 | DSI_EN | GPIO控制 | J2-24 | DSI_DP3 | DSI差分数据3 | +-------+------------+--------------+-------+-------------+--------------+ | J2-10 | DSI_BL_PWM | GPIO控制 | J2-25 | DSI_DN3 | DSI差分数据3 | +-------+------------+--------------+-------+-------------+--------------+ | J2-11 | GND | 数字地 | J2-26 | GND | 数字地 | +-------+------------+--------------+-------+-------------+--------------+ | J2-12 | DSI_DP2 | DSI差分数据2 | J2-27 | I2C3_SCL | 触摸I2C信号 | +-------+------------+--------------+-------+-------------+--------------+ | J2-13 | DSI_DN2 | DSI差分数据2 | J2-28 | I2C3_SDA | 触摸I2C信号 | +-------+------------+--------------+-------+-------------+--------------+ | J2-14 | GND | 数字地 | J2-29 | DSI_TS_nINT | GPIO控制 | +-------+------------+--------------+-------+-------------+--------------+ | J2-15 | DSI_DP0 | DSI差分数据0 | J2-30 | DSI_TS_nRST | GPIO控制 | +-------+------------+--------------+-------+-------------+--------------+ MIPI_CSI接口 ~~~~~~~~~~~~~~ | 丝印：J1 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmMIPI_CSI.png :alt: 963px-8mmMIPI_CSI.png +-------+--------------+---------------+-------+------------+--------------+ | 引脚 | 信号 | 描述 | 引脚 | 信号 | 描述 | +-------+--------------+---------------+-------+------------+--------------+ | J3-1 | DCDC_5V | 5V输入 | J3-16 | CSI_P1_DP3 | CSI差分数据3 | +-------+--------------+---------------+-------+------------+--------------+ | J3-2 | --- | --- | J3-17 | CSI_P1_DN3 | CSI差分数据3 | +-------+--------------+---------------+-------+------------+--------------+ | J3-3 | VDD_1V8 | 1.8V输入 | J3-18 | GND | 数字地 | +-------+--------------+---------------+-------+------------+--------------+ | J3-4 | --- | --- | J3-19 | CSI_P1_DP2 | CSI差分数据2 | +-------+--------------+---------------+-------+------------+--------------+ | J3-5 | VDD_3V3 | 3.3V输入 | J3-20 | CSI_P1_DN2 | CSI差分数据2 | +-------+--------------+---------------+-------+------------+--------------+ | J3-6 | --- | --- | J3-21 | GND | 数字地 | +-------+--------------+---------------+-------+------------+--------------+ | J3-7 | GND | 数字地 | J3-22 | CSI_P1_DP1 | CSI差分数据1 | +-------+--------------+---------------+-------+------------+--------------+ | J3-8 | GND | 数字地 | J3-23 | CSI_P1_DN1 | CSI差分数据1 | +-------+--------------+---------------+-------+------------+--------------+ | J3-9 | I2C1_SDA_1V8 | I2C信号，1.8V | J3-24 | GND | 数字地 | +-------+--------------+---------------+-------+------------+--------------+ | J3-10 | I2C1_SCL_1V8 | I2C信号，1.8V | J3-25 | CSI_P1_CKP | CSI差分时钟 | +-------+--------------+---------------+-------+------------+--------------+ | J3-11 | CSI_nRST | GPIO控制 | J3-26 | CSI_P1_CKN | CSI差分时钟 | +-------+--------------+---------------+-------+------------+--------------+ | J3-12 | CSI_P1_PWDN | GPIO控制 | J3-27 | GND | 数字地 | +-------+--------------+---------------+-------+------------+--------------+ | J3-13 | GND | 数字地 | J3-28 | CSI_P1_DP0 | CSI差分数据0 | +-------+--------------+---------------+-------+------------+--------------+ | J3-14 | CSI1_CLK | CSI时钟 | J3-29 | CSI_P1_DN0 | CSI差分数据0 | +-------+--------------+---------------+-------+------------+--------------+ | J3-15 | GND | 数字地 | J3-30 | GND | 数字地 | +-------+--------------+---------------+-------+------------+--------------+ MINI_PCIe/4G&SIM卡 ~~~~~~~~~~~~~~~~~~~~ +--------------+------+-------------------------------------------+ | 名称 | 丝印 | 接口属性 | +--------------+------+-------------------------------------------+ | mini-PCIE/4G | J6 | miniPCIE标准接口，PCIe 2.0标准,支持4G模块 | +--------------+------+-------------------------------------------+ | SIM卡座 | CON1 | 4G SIM卡座 | +--------------+------+-------------------------------------------+ | 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-MINI_PCIe4G.png :alt: 963px-MINI_PCIe4G.png +-------+-------------------+--------------+-------+---------------+---------------+ | 引脚 | 信号 | 描述 | 引脚 | 信号 | 描述 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-1 | SD2_WP | GPIO控制 | J6-2 | 3.3V_1 | 3.3V电源 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-3 | NC | --- | J6-4 | GND7 | GND | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-5 | NC | --- | J6-6 | 1.5V_1 | 1.5V电源 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-7 | PCIE2_nCLKREQ | PCIE时钟请求 | J6-8 | PCIe_UIM_PWR | PCIe_UIM_PWR | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-9 | GND1 | GND | J6-10 | PCIe_UIM_DATA | PCIe_UIM_DATA | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-11 | PCIE2_REF_CLKN_CN | PCIE参考时钟 | J6-12 | PCI3_UIM_CLK | PCI3_UIM_CLK | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-13 | PCIE2_REF_CLKP_CN | PCIE参考时钟 | J6-14 | PCIe_UIM_RST | PCIe_UIM_RST | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-15 | GND2 | GND | J6-16 | PCIe_UIM_VPP | PCIe_UIM_VPP | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-17 | NC | --- | J6-18 | GND8 | GND | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-19 | NC | --- | J6-20 | PCIe_nDIS | PCIE禁止控制 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-21 | GND3 | GND | J6-22 | PCIe_nRST | PCIE总线复位 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-23 | PCIE_RXN | PCIE数据接收 | J6-24 | +3.3Vaux | 3.3V电源 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-25 | PCIE_RXP | PCIE数据接收 | J6-26 | GND9 | GND | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-27 | GND4 | GND | J6-28 | 1.5V_2 | 1.5V电源 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-29 | GND5 | GND | J6-30 | I2C2_SCL_3V3 | I2C信号 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-31 | PCIE_TXN | PCIE数据输出 | J6-32 | I2C2_SDA_3V3 | I2C信号 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-33 | PCIE_TXP | PCIE数据输出 | J6-34 | GND10 | GND | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-35 | GND6 | GND | J6-36 | 4G_USBDM | USB差分信号 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-37 | Reserved3 | 接GND | J6-38 | 4G_USBDP | USB差分信号 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-39 | Reserved4 | 接3.3V | J6-40 | GND11 | GND | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-41 | Reserved5 | 接3.3V | J6-42 | LED_WWAN_B | LED指示灯 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-43 | Reserved6 | 接GND | J6-44 | LED_WLAN_B | LED指示灯 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-45 | Reserved7 | NC | J6-46 | LED_WPAN_B | LED指示灯 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-47 | Reserved8 | NC | J6-48 | 1.5V_3 | 1.5V电源 | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-49 | Reserved9 | NC | J6-50 | GND12 | GND | +-------+-------------------+--------------+-------+---------------+---------------+ | J6-51 | Reserved10 | NC | J6-52 | 3.3V_2 | 3.3V电源 | +-------+-------------------+--------------+-------+---------------+---------------+ Audio接口 ~~~~~~~~~~~ | 丝印：P4 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmAudio.png :alt: 963px-8mmAudio.png ========== ================= 使用的引脚 功能 ========== ================= SAI3_MCLK 主时钟 SAI3_TXC 数字音频位时钟 SAI3_TXFS 数字音频左/右时钟 SAI3_TXD 数字音频数据输出 AUD_nMUTE 静音使能 ========== ================= BOOT MODE开关 ~~~~~~~~~~~~~~~ | 丝印：SW2 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmBOOT_MODE.png :alt: 963px-8mmBOOT_MODE.png ======== === === 模式控制 1位 2位 ======== === === 烧写模式 0 1 启动模式 1 0 ======== === === 复位开关 ~~~~~~~~~ | 丝印：SW1 功能：按下复位 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/8mmRESET.png :alt: 8mmRESET.png 扩展IO接口 ~~~~~~~~~~~~ | 丝印：J7 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmEXP_CN.png :alt: 963px-8mmEXP_CN.png +-------+--------------+--------+-------------+ | 引脚 | 信号 | 引脚 | 信号 | +=======+==============+========+=============+ | J7-1 | VSYS | J7-2 | UART3_RXD | +-------+ +--------+-------------+ | J7-3 | | J7-4 | UART3_TXD | +-------+--------------+--------+-------------+ | J7-5 | WL_REG_ON | J7-6 | UART1_RXD | +-------+--------------+--------+-------------+ | J7-7 | SD1_STROBE | J7-8 | UART1_TXD | +-------+--------------+--------+-------------+ | J7-9 | SD1_DATA2 | J7-10 | I2C4_SDA | +-------+--------------+--------+-------------+ | J7-11 | SD1_DATA3 | J7-12 | ECSPI2_MOSI | +-------+--------------+--------+-------------+ | J7-13 | BT_REG_ON | J7-14 | ECSPI2_MISO | +-------+--------------+--------+-------------+ | J7-15 | GPIO1_IO08 | J7-16 | ECSPI2_SS0 | +-------+--------------+--------+-------------+ | J7-17 | SD1_CMD | J7-18 | ECSPI2_SCLK | +-------+--------------+--------+-------------+ | J7-19 | SD1_CLK | J7-20 | 3.3V | +-------+--------------+--------+ + | J7-21 | BT_WAKE_HOST | J7-22 | | +-------+--------------+--------+-------------+ | J7-23 | WL_WAKE_HOST | J7-24 | JTAG_nTRST | +-------+--------------+--------+-------------+ | J7-25 | SD1_DATA0 | J7-26 | JTAG_TDO | +-------+--------------+--------+-------------+ | J7-27 | SD1_DATA1 | J7-28 | JTAG_TDI | +-------+--------------+--------+-------------+ | J7-29 | QSPIA_DATA2 | J7-30 | JTAG_TCK | +-------+--------------+--------+-------------+ | J7-31 | QSPIA_DATA1 | J7-32 | JTAG_TMS | +-------+--------------+--------+-------------+ | J7-33 | QSPIA_nSS0 | J7-34 | 5V | +-------+--------------+--------+ + | J7-35 | QSPIA_DATA3 | J7-36 | | +-------+--------------+--------+ + | J7-37 | GND | J7-38 | | +-------+--------------+--------+ + | J7-39 | QSPIA_SCLK | J7-40 | | +-------+--------------+--------+-------------+ | J7-41 | GND | J7-42 | EXP_IO8 | +-------+--------------+--------+-------------+ | J7-43 | QSPIA_DATA0 | J7-44 | EXP_IO9 | +-------+--------------+--------+-------------+ | J7-45 | I2C1_SCL | J7-46 | EXP_IO10 | +-------+--------------+--------+-------------+ | J7-47 | I2C1_SDA | J7-48 | EXP_IO11 | +-------+--------------+--------+-------------+ | J7-49 | GND | J7-50 | EXP_IO12 | +-------+--------------+--------+-------------+ | J7-51 | GND | J7-52 | EXP_IO13 | +-------+--------------+--------+-------------+ | J7-53 | NC | J7-54 | EXP_IO14 | +-------+--------------+--------+-------------+ | J7-55 | NC | J12-56 | GND | +-------+--------------+--------+ + | J7-57 | PGOOD | J12-58 | | +-------+--------------+--------+ + | J7-59 | PWM2 | J12-60 | | +-------+--------------+--------+ + | J7-61 | PWM4 | J12-62 | | +-------+--------------+--------+ + | J7-63 | GND | J12-64 | | +-------+--------------+--------+ + | J7-65 | WDOG_B | J12-66 | | +-------+--------------+--------+ + | J7-67 | REF_CLK_32K | J12-68 | | +-------+--------------+--------+ + | J7-69 | GND | J12-70 | | +-------+--------------+--------+ + | J7-71 | GND | J12-72 | | +-------+--------------+--------+ + | J7-73 | SAI5_RXC | J12-74 | | +-------+--------------+--------+ + | J7-75 | SAI5_RXD0 | J12-76 | | +-------+--------------+--------+ + | J7-77 | SAI5_RXD1 | J12-78 | | +-------+--------------+--------+-------------+ | J7-79 | SAI5_RXD2 | J12-80 | SAI5_RXD3 | +-------+--------------+--------+-------------+ 主电源开关 ~~~~~~~~~~~~ | 丝印：SW3 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmPOWER_SW.png :alt: 963px-8mmPOWER_SW.png | 主电源输入 丝印：J11 接口属性：内正外负插孔，12V电压 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmPOWER_IN.png :alt: 963px-8mmPOWER_IN.png Bootloader接口 ~~~~~~~~~~~~~~~~ | 丝印：J3 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmBOOTLOADER.png :alt: 963px-8mmBOOTLOADER.png ========== =========== 使用的引脚 功能 ========== =========== USB1_VBUS VBUS检测 USB1_DN USB差分数据 USB1_DP USB差分数据 USB1_ID NC ========== =========== USB扩展串口RS-485&RS-232 ~~~~~~~~~~~~~~~~~~~~~~~~~ | 丝印：J4 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/8mmUART.png :alt: 8mmUART.png ========= =============== ========= =============== 引脚 信号 引脚 信号 ========= =============== ========= =============== RS232_TX1 RS-232信号输出 RS232_RX1 RS-232信号接收 RS232_TX2 RS-232信号输出 RS232_RX2 RS-233信号接收 RS482_A1 RS-485差分信号+ RS482_B1 RS-485差分信号- RS482_A2 RS-485差分信号+ RS482_B2 RS-485差分信号- ========= =============== ========= =============== USB扩展USB HOST ~~~~~~~~~~~~~~~~~ | 丝印：J5 接口属性：USB2扩展USB2.0 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmUSB.png :alt: 963px-8mmUSB.png 以太网接口 ~~~~~~~~~~~ | 丝印：J9 接口属性：RGMII，支持10/100/1000M 引脚及信号定义如下： .. figure:: /image/MYZR-iMX8系列/MYZR-I.MX8Mmin/963px-8mmETH.png :alt: 963px-8mmETH.png