stm32f411ceu6引脚

STM32F411CEU6是一款32位ARM Cortex-M4微控制器，它的引脚数量为48个，具体的引脚分布如下：

| 引脚编号 | 引脚名称 | 功能描述 |
| -------- | -------- | -------- |
| 1 | VDDA | 模拟电源供应电压 |
| 2 | VSSA | 模拟地 |
| 3 | PA0 | GPIO |
| 4 | PA1 | GPIO |
| 5 | PA2 | GPIO |
| 6 | PA3 | GPIO |
| 7 | PA4 | GPIO |
| 8 | PA5 | GPIO |
| 9 | PA6 | GPIO |
| 10 | PA7 | GPIO |
| 11 | PC4 | GPIO |
| 12 | PC5 | GPIO |
| 13 | PB0 | GPIO |
| 14 | PB1 | GPIO |
| 15 | PA13 | SWDIO |
| 16 | PA14 | SWCLK |
| 17 | NRST | 复位输入 |
| 18 | VDD | 电源供应电压 |
| 19 | VSS | 地 |
| 20 | PA8 | GPIO |
| 21 | PA9 | USART1_TX |
| 22 | PA10 | USART1_RX |
| 23 | PA11 | GPIO |
| 24 | PA12 | GPIO |
| 25 | PB10 | GPIO |
| 26 | PB11 | GPIO |
| 27 | PB12 | GPIO |
| 28 | PB13 | GPIO |
| 29 | PB14 | GPIO |
| 30 | PB15 | GPIO |
| 31 | PC6 | GPIO |
| 32 | PC7 | GPIO |
| 33 | PC8 | GPIO |
| 34 | PC9 | GPIO |
| 35 | PA15 | GPIO |
| 36 | PB3 | GPIO |
| 37 | PB4 | GPIO |
| 38 | PB5 | GPIO |
| 39 | PB6 | GPIO |
| 40 | PB7 | GPIO |
| 41 | BOOT0 | 引导模式选择输入 |
| 42 | PB8 | GPIO |
| 43 | PB9 | GPIO |
| 44 | PC10 | GPIO |
| 45 | PC11 | GPIO |
| 46 | PC12 | GPIO |
| 47 | PD2 | GPIO |
| 48 | VBAT | RTC备份电池电源输入 |