本产品采用ESP32作为核心进行设计。
ESP-WROOM-32
448KB ROM
520KB RAM
Wi-Fi&BLE
BPI:UNO32采用了与Arduino UNO R3类似的结构与布局，为广大Arduino用户提供无缝替换的使用体验，同时ESP32同样可以采用Arduino IDE进行编程。同时您也可以使用官方编译工具ESP-IDF或者开源编译插件PlatformIO for Atom/VS Code
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doc存放BPI:uno32板的原理图以及ESP-WROOM-32等各个部分的datesheet -
pic存放BPI:uno32板的照片与各种示意图 -
Test_Code存放BPI:uno32板基础功能测试代码 -
programing目录下面介绍了使用不同的软件烧录的方法。
| GPIO Pin Name | Function |
| 16 | GPIO16, HS1_DATA4, U2RXD, EMAC_CLK_OUT |
| 17 | GPIO17, HS1_DATA5, U2TXD, EMAC_CLK_OUT_180 |
| EN | Chip-enable signal. Active high |
| 3V3 | 3V3 DC Power Out |
| 5V | 5V DC Power Out |
| GND | Ground |
| GND | Ground |
| VIN | DC Power In |
| 36/A0 | GPIO36, SENSOR_VP, ADC_H, ADC1_CH0, RTC_GPIO0 |
| 39/A3 | GPIO39, SENSOR_VN, ADC1_CH3, ADC_H, RTC_GPIO3 |
| 32/A4 | GPIO32, XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4,TOUCH9, RTC_GPIO9 |
| 33/A5 | GPIO33, XTAL_32K_N (32.768 kHz crystal oscillator output), ADC1_CH5,TOUCH8, RTC_GPIO8 |
| 34/A6 | GPIO34, ADC1_CH6, RTC_GPIO4 |
| 35/A7 | GPIO35, ADC1_CH7, RTC_GPIO5 |
| 22/SCL | GPIO22, VSPIWP, U0RTS, EMAC_TXD1 |
| 21/SDA | GPIO21, VSPIHD, EMAC_TX_EN |
| 27 | GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV |
| GND | Ground |
| 18/SCK | GPIO18, VSPICLK, HS1_DATA7 |
| 19/MISO | GPIO19, VSPIQ, U0CTS, EMAC_TXD0 |
| 23/MOSI | GPIO23, VSPID, HS1_STROBE |
| 05/SS | GPIO5, VSPICS0, HS1_DATA6, EMAC_RX_CLK |
| 26/DA2 | GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1 |
| 25/DA1 | GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0 |
| 14/SCK | GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK,HS2_CLK, SD_CLK, EMAC_TXD2 |
| 12/MISO | GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ,HS2_DATA2, SD_DATA2, EMAC_TXD3 |
| 13/MOSI | GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID,HS2_DATA3, SD_DATA3, EMAC_RX_ER |
| 15/SS | GPIO15, ADC2_CH3, TOUCH3, MTDO, HSPICS0, RTC_GPIO13,HS2_CMD, SD_CMD, EMAC_RXD3 |
| 04 | GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1,SD_DATA1, EMAC_TX_ER |
| 02 | GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0,SD_DATA0 |
| 01->TX | GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2 |
| 03<-RX | GPIO3, U0RXD, CLK_OUT2 |
| VCC | 3V3 DC Power Out |
| GND | Ground |
| SCL | GPIO22, VSPIWP, U0RTS, EMAC_TXD1 |
| SDA | GPIO21, VSPIHD, EMAC_TX_EN |
