Banana Pi BPI-Leaf-S3创客教育板采用乐鑫ESP32-S3方案设计,支持Arduino

香蕉派 bpi-leaf系列是为物联网设计的低功耗微控制器，支持创客教育和steam教育的一款开发板。
bpi-leaf-s3采用乐鑫esp32-s3芯片设计，采用xtensa®32位lx7双核处理器，主频最高可达240 mhz。支持2.4 ghz wi-fi和蓝牙®le双模无线通信，外设兼容低功耗硬件设计，深度睡眠模式下功耗仅为10ua。主控制器支持usb和外接3.7v锂电池两种供电方式，可实现自动电源开关功能。
关键特性:
1. 乐鑫esp32-s3，xtensa® 32 bit lx7
2. 拓展 psram , flash
3. 超低功耗 10ua
4. 2.4g wifi无线，蓝牙bluetooth 5 ，bluetooth mesh网络
5. gpio , adc , touch , pwm , i2c , spi , rmt , i2s , uart , lcd，camera ，usb , jtag
6. 1* 4pin i2c 连接
7. 1 * usb type-c接口
8. 1 * 2pin 电池接口
9. 1 * neopixel led
硬件接口框架：
硬件规格：
bpi-leaf-s3 spec
socesp32-s3，xtensa® dual-core 32-bit lx7 microprocessor
clock frequency240mhz max
ambient temperature-40℃~+85℃
internal rom384 kb
internal sram320 kb
external flash rom8mb
external psram8mb
wifiieee 802.11 b/g/n ，2.4ghz，150mbps
bluetoothbluetooth 5 ，bluetooth mesh
gpiobpi-leaf-s3 has led out 36 available gpios
adc2 × 12-bit sar adcs, up to 20 channels
touch sensor14
spi4
i2c2
i2s2
lcd1 × lcd interface (8-bit ~16-bit parallel rgb, i8080 and moto6800)
camera1 × dvp 8-bit ~16-bit camera interface
uart3
pwm8 channels 14 bits
mcpwm2
usb1 × full-speed usb otg，female type-c socket
usb serial/jtag controller1，cdc-acm ，jtag
temperature sensor1，range of –20 °c to 110 °c
sd/mmc1 × 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® controller1 ，compatible with iso 11898-1 (can specification 2.0)
general dma controller (gdma)5 transmit channels and 5 receive channels
rmt4 tx channels,4rx channels.eight channels share a 384 x 32-bit ram
pulse count controller4 independent pulse counters (units).each unit consists of two independent channels
timers4 × 54-bit general-purpose timers.1 × 52-bit system timer.3 × watchdog timers
external crystal oscillator40mhz
rtc and lowpower managementpower management unit (pmu) + ultra-low-power coprocessor(ulp)
deep-sleep consumption current10ua
operating voltage3.3v
input voltage3.3v~5.5v
maximum discharge current2a@3.3v ldo
usb chargesupport
maximum charging current500ma
neopixel led1