| pin | usage | func | comment |
|---|---|---|---|
| PD0 | OSC_IN | 8MHz HSE | |
| PD1 | OSC_OUT | 8MHz HSE | |
| PB2 | BOOT1 | 10K PullDown | |
| PA13 | SWDIO | ||
| PA14 | SWCLK | ||
| PB6 | USB | USBFS_DM | |
| PB7 | USB | USBFS_DP | |
| PA9 | USART1_TX | ||
| PA10 | USART1_RX | ||
| PA1 | ADC | ADC_IN1 | VOL_ADC |
| PA2 | ADC | ADC_IN2 | CUR_ADC |
| PA3 | OUT_EN | GPO |
| pin | usage | func | comment |
|---|---|---|---|
| PA4 | RST | GPO | |
| PA5 | SCL | SPI1_SCK | |
| PA6 | RS | GPO | |
| PA7 | SDA | SPI1_MOSI | |
| PB1 | CS | GPO |
电压测量 10K/(51K+10K)
电流测量 16mOhm对地电阻 20倍放大器放大