香蕉派 BPI-Leaf系列是為物聯網設計的低功耗微控制器,支持創客教育和STEAM教育的一款開發板。
BPI-Leaf-S3采用樂鑫ESP32-S3芯片設計,采用Xtensa?32位LX7雙核處理器,主頻最高可達240 MHz。支持2.4 GHz Wi-Fi和藍牙?LE雙模無線通信,外設兼容低功耗硬件設計,深度睡眠模式下功耗僅為10uA。主控制器支持USB和外接3.7V鋰電池兩種供電方式,可實現自動電源開關功能。
關鍵特性:
1. 樂鑫ESP32-S3,Xtensa? 32 bit LX7
2. 拓展 PSRAM , FLASH
3. 超低功耗 10uA
4. 2.4G WIFI無線 ,藍牙Bluetooth 5 ,Bluetooth mesh網絡
5. GPIO , ADC , TOUCH , PWM , I2C , SPI , RMT , I2S , UART , LCD,CAMERA ,USB , JTAG
6. 1* 4pin I2C 連接
8. 1 * 2pin 電池接口
9. 1 * Neopixel LED
硬件接口框架:
硬件規格:
BPI-Leaf-S3 Spec | |
---|---|
SoC | ESP32-S3,Xtensa? dual-core 32-bit LX7 microprocessor |
Clock Frequency | 240MHz MAX |
Ambient Temperature | -40℃~+85℃ |
Internal ROM | 384 KB |
Internal SRAM | 320 KB |
External FLASH ROM | 8MB |
External PSRAM | 8MB |
WIFI | IEEE 802.11 b/g/n ,2.4Ghz,150Mbps |
Bluetooth | Bluetooth 5 ,Bluetooth mesh |
GPIO | BPI-Leaf-S3 has led out 36 available gpios |
ADC | 2 × 12-bit SAR ADCs, up to 20 channels |
Touch Sensor | 14 |
SPI | 4 |
I2C | 2 |
I2S | 2 |
LCD | 1 × LCD interface (8-bit ~16-bit parallel RGB, I8080 and MOTO6800) |
CAMERA | 1 × DVP 8-bit ~16-bit camera interface |
UART | 3 |
PWM | 8 channels 14 bits |
MCPWM | 2 |
USB | 1 × full-speed USB OTG,female Type-C socket |
USB Serial/JTAG controller | 1,CDC-ACM ,JTAG |
Temperature sensor | 1,range of –20 °C to 110 °C |
SD/MMC | 1 × SDIO host controller with 2 slots,SD 3.0,SD 3.01,SDIO 3.0,CE-ATA 1.1,MMC 4.41,eMMC 4.5,eMMC 4.51 |
TWAI? controller | 1 ,compatible with ISO 11898-1 (CAN Specification 2.0) |
General DMA controller (GDMA) | 5 transmit channels and 5 receive channels |
RMT | 4 TX channels,4RX channels.Eight channels share a 384 x 32-bit RAM |
Pulse Count Controller | 4 independent pulse counters (units).Each unit consists of two independent channels |
Timers | 4 × 54-bit general-purpose timers.1 × 52-bit system timer.3 × watchdog timers |
External crystal oscillator | 40Mhz |
RTC and Low-Power Management | Power Management Unit (PMU) + Ultra--Low--Power Coprocessor(ULP) |
Deep-sleep consumption current | 10uA |
Operating Voltage | 3.3V |
Input Voltage | 3.3V~5.5V |
Maximum discharge current | 2A@3.3VLDO |
USB charge | Support |
Maximum charging current | 500mA |
Neopixel LED | 1 |
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