| Pin | Description | Notes |
|---|
| VCC | 3.3V or 5V supply | Power supply |
| GND | Ground | Common ground |
| SDA | I2C Data Line (SDA) | Connect to microcontroller I2C SDA pin |
| SCL | I2C Clock Line (SCL) | Connect to microcontroller I2C SCL pin |
| D0 | Digital I/O (separate connection) | Not included in QWIIC connector, must be connected separately |
Note: Compatible with JST 1 mm pitch QWIIC connector for easy I2C integration (power only, D0 must be connected separately).
| Feature / Peripheral | PY32F003L24D6TR |
|---|
| Flash (Kbytes) | 16 |
| SRAM (Kbytes) | 2 |
| Advanced Timers (16-bit) | 1 |
| General Purpose Timers | 4 |
| Low Power Timer | 1 |
| SysTick | 1 |
| Watchdog | 2 |
| SPI | 1 |
| I2C | 1 |
| USART | 1 |
| DMA Channels | 3 |
| RTC | Yes |
| GPIOs | 7 |
| 12-bit ADC (ext+int) | 4+2 |
| Comparators | 2 |
| Max. CPU Frequency (MHz) | 24 |
| Operating Voltage (V) | 1.7 ~ 5.5 |
DFN8 Pinout (Top View):
VCC 1 ┌─────┐ 8 PB5/LED
PA0 2 │ │ 7 PA14-SWDCK/PB6
PA1 3 │ │ 6 PA13-SWDIO/PA10
PA2 4 └─────┘ 5 PB0/PF2-NRST
- VCC: Power input for the board
- GND: Ground connection
- PA0: USART2 transmit (TX) or SPI MISO function
- PA1: USART2 receive (RX) or SPI SCK function
- PA2: Analog input channel 2 (ADC_IN2) or SPI chip select (CS)
- PB0 / PF2: General-purpose I/O (GPIO) or external reset (NRST)
- PB5: On-board LED, general-purpose I/O (GPIO), or SPI MOSI function
- PA13 / PB6: Serial Wire Debug I/O (SWDIO) or I2C clock line (I2C_SCL)
- PA14 / PA10: Serial Wire Debug clock (SWCLK) or I2C data line (I2C_SDA)