W5B03A-1720DFV1 模组规格书¶
1 Pin 描述¶
1.1 Pin 定义图&Pin 定义¶
| 序号 | Pin定义 | IO类型 | 功能 |
|---|---|---|---|
| 1 | PB2 | I/O | GPIOB_2/UART_RXD |
| 2 | PB1 | I/O | GPIOB_1/UART_TXD |
| 3 | CHIP_EN | I | High: Enable the chip. Low: Module power off. |
| 4 | PB3 | I/O | GPIOB_3/SWD_CLK |
| 5 | LOG_RXD | I/O | GPIOA_8/UART_LOG_RXD |
| 6 | PA12 | I/O | GPIOA_12/SPI_MOSI |
| 7 | PA13 | I/O | GPIOA_13/SPI_MISO |
| 8 | VD33 | P | Power Supply 3.3V |
| 9 | PA14 | I/O | GPIOA_14/SPI_CLK/UART_RTS |
| 10 | PA15 | I/O | GPIOA_15/SPI_CS/UART_CTS |
| 11 | PA26 | I/O | GPIOA_26/HSDP |
| 12 | PA25 | I/O | GPIOA_25/HSDM |
| 13 | PA27 | I/O | GPIOA_27/SWD_DAT |
| 14 | PA28 | I/O | GPIOA_28/RREF |
| 15 | GND | P | GND |
| 16 | PB20 | I/O | GPIOB_20/SDIO_CMD |
| 17 | LOG_TXD | I/O | GPIOA_7/UART_LOG_TXD |
| 18 | PB21 | I/O | GPIOB_21/SDIO_CLK |
| 19 | PB22 | I/O | GPIOB_22/SDIO_D0 |
| 20 | PB23 | I/O | GPIOB_23/SDIO_D1 |
| 21 | PB18 | I/O | GPIOB_18/SDIO_D2 |
| 22 | PB19 | I/O | GPIOB_19/SDIO_D3 |
2 封装信息¶
2.1 机械尺寸¶
PCB 尺寸大小：16±0.3mm (L)×24±0.3mm (W) ×0.8±0.1mm (H)。单位：mm
