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Ch552 Qt Py
AdafruitCH552
The Adafruit CH552 QT Py is a small dev board with an 8-bit 8051 microcontroller core. It supports GPIO, ADC, PWM, I2C, SPI, and UART functionalities.
In stock
Specifications
5- Operating Voltage
- 3.3V or 5V (via USB) [16MHz] / 3.3V (internal oscillator)
- Flash
- 16K bytes
- Ram
- 256-byte internal RAM, 1K-byte xRAM bytes
- Gpio Count
- 10
- Dimensions
- Really really small
Pinout
10| Pin | Name | Functions | Notes |
|---|---|---|---|
| 3 | RX | UART | Connected to P3.0 |
| 6 | TX | UART | Connected to P3.1 |
| 10 | NEOPIXEL_PIN | — | Connected to P1.0 |
| 14 | A1 | ADC | 8-bit analog input |
| 15 | A2 | PWMADC | 8-bit analog input and PWM output |
| 16 | MISO | SPIADC | Shared with A2, connected to P1.5 |
| 17 | SCK | SPI | Connected to P1.7 |
| 30 | RX | UART | Same as TX, connected to P3.1 |
| 31 | TX | UART | Same as RX, connected to P3.0 |
| 32 | A3 | ADC | 8-bit analog input |
Interactive pinout
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CH552
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