7 × 7 mm QFN-56 package |
RP2040 Chip features:
- Dual ARM Cortex-M0+ @ 133MHz
- 264kB on-chip SRAM in six independent banks
- Support for up to 16MB of off-chip Flash memory via dedicated QSPI bus
- DMA controller
- Fully-connected AHB crossbar
- Interpolator and integer divider peripherals
- On-chip programmable LDO to generate core voltage
- 2 on-chip PLLs to generate USB and core clocks
- 30 GPIO pins, 4 of which can be used as analog inputs
- Peripherals
- 2 UARTs
- 2 SPI controllers
- 2 I2C controllers
- 16 PWM channels
- USB 1.1 controller and PHY, with host and device support
- 8 PIO state machines
RP2040的晶片架構圖 |
Raspberry Pi Pico |
而底下是由台灣程式教育協進會所開發出的 Pico 擴充卡, 可應用在物聯網及AI Edge 應用 (Tensor flow lite), 而且可以使用MicroPython 撰寫程式。
Pico 擴充卡規格:
1.) UART-to-USB (PL2303) 可連接PC
2.) UART座 for ESP-01 (可連接ESP8266 WiFi)
3.) SPI pin x1
4.) SPI 腳座for SPI ArduCAM
5.) I2C 針腳 x1
6.) I2C 腳座for OLED
7.) G-sensor (LIS3DH)
8.) PWMx8
9). ADCx1
10.) LEDx2
11.) Micro phonex1
12.) Buttonx1
13.) 電源輸出座-(5V,3V輸出)
14.) Power LED indicator
pico W 使用MQTT publish |
Pico dimensions (unassembled): 51.3mm x 21mm x 3.9mm
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