项目内容产品编号版本号发布日期生效日期文件状态编修文件拟定王志海文件审核 保密类型 版本 | 发布日期 | 升级记录 | | Update Record |
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| V1.0 | 2026-04-10 |
第一次发布 | 一、接口示意图1. Interface Diagram
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| 1 | 开关机状态灯RS485接口&RS232接口&GPIO接口& 12V电源输出| RS485, RS232, GPIO & 12V power output | | 2 | 工作状态灯GPIO输入接口电平极性切换开关| GPIO input level polarity DIP switch | | 3 | USB30接口升级按键USB20接口WiFI 4G、天线输出复位按键 连接器USB20接口 调试type C接口 2280 PCIE 耳机音频输出接口| Headphone audio output | 22 | 4G Mini | PCIE开关机按键摄像头 MIPI 12V电源输入LCD HDMI信号输出12V电源输入 2.0MM 4P| 12V power input (2.0mm 4P) | | 13 | HDMI信号输入 电源输入接口 2.0MM 4P二、端口描述1.2. Port Description2.1 RS485 & RS232 & GPIO功能GPIO FunctionsNo.14 编号⑭

1. 串口介绍Serial Port Introduction For serial port usage, refer to:
RS485---ttyS5, RS232-1--- ttyS7, RS232-2--- ttyS3; 串口使用,请参照:https://www.cnblogs.com/lizhuming/p/14044396.html 2. GPIO口介绍GPIO Introduction 输入:- When the switch is set to H: The device receives high level for input high, and low level for input low.
- When the switch is set to L: The device receives low level for input high, and high level for input low.
GPIO OutputThe two GPIO output channels are isolated by MOSFET with open-drain design. They support control levels from 3.3V to 24V, with a maximum sink current of 100mA.2. GPIO Function No.19: 2.0mm 4-Pin Connector RS485 — ttyS5RS232-1 — ttyS7RS232-2 — ttyS3IN1 — GPIO3_D0IN2 — GPIO3_D4OUT1 — GPIO4_B0OUT2 — GPIO4_B2External pull-up resistors are required for OUT1/OUT2 to work properly.The output follows positive logic: OUT1 outputs high when GPIO4_B0 is set high, and outputs low when GPIO4_B0 is set low. IN1 ----- GPIO3_D0 IN2------ GPIO3_D4 GPIO 两个输入口,做了全隔离 3.3V-12V输入都可以正常工作 输入GPIO(IN1/IN2): 当切换开关波动到H时,IN1/IN2信号为高,设备接收为高;IN1/IN2信号为低,设备接收为低。当切换开关波动到L时,IN1/IN2信号为高,设备接收为低;IN1/IN2信号为低,设备接收为高。 GPIO 输出: OUT1 ----- GPIO4_B0 OUT2------ GPIO4_B2 GPIO 两个输出口,用MOS管做了隔离,漏极开路, 支持3.3V-24V控制电平, 最大的对地带载能力100mA. 输出GPIO(OUT1/OUT2):外接的GPIO口需要配置上拉电阻才能正常工作。 控制逻辑成正比,即GPIO4_B0设置高,OUT1输出高;GPIO4_B0设置低,OUT1输出低。 2.GPIO功能编号 ⑲ 2.0MM 4P 连接器  | PIN | 功能 | 描述 | 备注 | 1 | 3.3V电源输出 | 可输出100mA |
| 2 | GPIO2_A2 | I3C1_SCL_M1/CAN1_RX_M0 /SPI0_CSN1_M1/UART5_RTSN_M2 /JTAG_TCK_M0/SAI3_LRCK_M3 /DSM_AUD_RP_M0/FSPI1_D2_M0 /SDMMC0_D2 / GPIO2_A2_d | 3.3V 电平 | 3 | GPIO | I3C1_SDA_M1/CAN1_TX_M0 UART5_CTSN_M2/JTAG_TMS_M0 /SAI3_SDI_M3/DSM_AUD_RN_M0 /FSPI1_D3_M0/SDMMC0_D3/GPIO2_A3_d | 3.3V 电平 | 4 | GND | 电源地 |
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3.Debug 功能Function No.20: 2.0mm 3-Pin Connector编号 ⑳ 2.0MM 3P 连接器
| PIN | 功能 | 描述 | 备注 | 1 | RXD | Uart0 RXD , 波特率1500000 ,Debug用 | 3.3V 电平 | 2 | TXD | Uart0 TXD 波特率1500000 ,Debug用 | 3.3V 电平 | 3 | GND | 电源地 | 3.3V 电平 |
4.Camera MIPI CSI编号 (23)0.5MM 24P 连接器 No.23: 0.5mm 24-pin connector Image Removed
| PIN | 功能 | 描述 | 备注
| PIN | Function | Description |
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Image Added |
| 1 | SDA | I2C4_SDA_M3_MIPI_CAM0 |
1.8V 电平 | | 2 | SCL | I2C4_SCL_M3_MIPI_CAM0 |
1.8V 电平 | 电源地d摄像头电源使能,高有效1.8V 电平1.8V 电平 | | d, Camera power enable, active high | | 5 | CAM0_PEN | GPIO3_D5 | 摄像头复位,低有效| , Camera reset, active low | 电源地 摄像头 差分时钟CLKN| camera differential clock CLKN | | 8 | CSI0_RX_CLKP | MIPI | 摄像头 差分时钟CLKP| camera differential clock CLKP | | 9 | GND | 电源地时钟源 电源地 摄像头 差分数据D0N| camera differential data D0N | | 13 | CSI0_RX_D0P | MIPI | 摄像头 差分数据D0P| camera differential data D0P | | 14 | CSI0_RX_D1N | MIPI | 摄像头 差分数据D1N| camera differential data D1N | | 15 | CSI0_RX_D1P | MIPI | 摄像头 差分数据D1P| camera differential data D1P | | 16 | GND | 电源地 摄像头 差分数据D2N| camera differential data D2N | | 18 | CSI0_RX_D2P | MIPI | 摄像头 差分数据D2P| camera differential data D2P | | 19 | CSI0_RX_D3N | MIPI | 摄像头 差分数据D3N| camera differential data D3N | | 20 | CSI0_RX_D3P | MIPI | 摄像头 差分数据D3P| camera differential data D3P | | 21 | GND | 电源地摄像头电源 3V输出 | 3V power output for camera, 500mA | | 23 | CAM3_3V3 | 3.3V power output for camera | | 24 | CAM3_3V3 | 3.3V power output for camera |
5. LCD MIPI DSI编号 (24)0.5MM 40P 连接器 Image RemovedNo.24: 0.5mm 40-Pin Connector 功能描述备注 Image Added
| 1 | NC | 1.8V 电平1.8V 电平| LCD power supply | | 3 | LCD_VCC | LCD power supply | | 4 | GND | 电源地1.8V 电平 | 1.8V 电平| LCD reset | | 6 | NC | No Connection | | 7 | GND | 电源地| Ground | | 8 | DSI_TX_D0N | LCD MIPI | 差分数据D0N| differential data D0N | | 9 | DSI_TX_D0P | LCD | MIPI 差分数据D0P| MIPI differential data D0P | | 10 | GND | 电源地| Ground | | 11 | DSI_TX_D1N | LCD MIPI | 差分数据D1N| differential data D1N | | 12 | DSI_TX_D1P | LCD | MIPI 差分数据D1P| MIPI differential data D1P | | 13 | GND | 电源地| Ground | | 14 | DSI_TX_CLKN | LCD MIPI | 差分时钟CLKN| differential clock CLKN | | 15 | DSI_TX_CLKP | LCD | MIPI 差分时钟CLKP| MIPI differential clock CLKP | | 16 | GND | 电源地| Ground | | 17 | DSI_TX_D2N | LCD MIPI | 差分数据D2N| differential data D2N | | 18 | DSI_TX_D2P | LCD | MIPI 差分数据D2P| MIPI differential data D2P | | 19 | GND | 电源地| Ground | | 20 | DSI_TX_D3N | LCD MIPI | 差分数据D3N| differential data D3N | | 21 | DSI_TX_D3P | LCD | MIPI 差分数据D3P| MIPI differential data D3P | | 22 | GND | 电源地触摸电源输出 | Touch panel 3.3V power output, 100mA | | 25 | GND | 电源地触摸I2C03.3V电平触摸I2C03.3V电平 | 3.3V电平触摸 复位 | | Touch panel reset | | 29 | INT_TP |
触摸 中断 | 3.3V电平 | | Touch panel interrupt | | 30 | GND | 电源地背光负| Backlight negative terminal | | 33-38 | NC | No Connection | | 39-40 | LCD_BL+ | 背光正 | Backlight positive terminal, 18V-28V | @200mA
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