引脚编号GPIO完全独立连接关系说明34PA0WK_UPY1,按键KEY_UP2,可以做待机唤醒脚(WKUP)35PA1N接LAN8720的REFCLKO脚36PA2USART2_TX/RS485_RXETH_MDION1,RS232串口2(COM2)RX脚(P9设置)2,RS485 RX脚(P9设置)3,LAN8720的MDIO脚37PA3USART2_RX/RS485_TXPWM_DACN1,RS232串口2(COM2)TX脚(P9设置)2,RS485 TX脚(P9设置)3,PWM_DAC输出脚40PA4STM_DACDCMI_HREFY1,DAC_OUT1输出脚2,OLED/CAMERA接口的HREF引脚41PA5STM_ADCYADC输入引脚,同时做TPAD检测脚42PA6DCMI_PCLKYOLED/CAMERA接口的PCLK脚43PA7N接LAN8720的CRS_DV脚100PA8DCMI_XCLK REMOTE_INN1,OLED/CAMERA接口的XCLK脚2,接HS0038红外接收头101PA9USART1_TXY串口1 TX脚,默认连接CH340的RX(P6设置)102PA10 USART1_RXY串口1 RX脚,默认连接CH340的TX(P6设置)103PA11USB_D-CAN_RXY1,USB D-引脚(P11设置)2,CAN_RX引脚(P11设置)104PA12USB_D+CAN_TXY1,USB D+引脚(P11设置)2,CAN_TX引脚(P11设置)105PA13JTMSSWDIONJTAG/SWD仿真接口,没接任何外设109PA14JTCKSWDCLKNJTAG/SWD仿真接口,没接任何外设110PA15JTDIUSB_PWRN1,JTAG仿真口(JTDI)2,USB_HOST接口供电控制脚46PB0T_SCKYTFTLCD接口触摸屏SCK信号47PB1T_PENYTFTLCD接口触摸屏PEN信号 48PB2BOOT1T_MISON1,BOOT1,启动选择配置引脚(仅上电时用)2,TFTLCD接口触摸屏MISO信号133PB3JTDOSPI1_SCKN1,JTAG仿真口(JTDO)2,W25Q128和WIRELESS接口的SCK信号134PB4JTRSTSPI1_MISON1,JTAG仿真口(JTRST)2,W25Q128和WIRELESS接口的MISO信号135PB5SPI1_MOSINW25Q128和WIRELESS接口的MOSI信号136PB6DCMI_D5YOLED/CAMERA接口的D5脚137PB7 DCMI_VSYNCYOLED/CAMERA接口的VSYNC脚139PB8IIC_SCLN接24C02&MPU6050&WM8978的SCL140PB9IIC_SDAN接24C02&MPU6050&WM8978的SDA69PB10 USART3_TXY1,RS232串口3(COM3)RX脚(P10设置)2,ATK-MODULE接口的RXD脚(P10设置)70PB11 USART3_RXY1,RS232串口3(COM3)TX脚(P10设置)2,ATK-MODULE接口的TXD脚(P10设置)73PB12I2S_LRCKNWM8978的LRCK信号74PB13I2S_SCLKNWM8978的SCLK信号75PB14F_CSNW25Q128的片选信号76PB15LCD_BLYTFTLCD接口背光控制脚 广州市星翼电子科技有限连接资源探索者IO资源分配表RMII_REF_CLKRMII_CRS_DV26PC0GBC_LED3D_INTN1,ATK-MODULE接口的LED引脚2,MPU6050模块的中断脚27PC1ETH_MDCN接LAN8720的MDC脚28PC2I2S_SDOUTNWM8978的SDOUT信号29PC3I2S_SDINNWM8978的SDIN信号44PC4RMII_RXD0N接LAN...