Chip characteristics

The dual-core Cortex M0+ has a main frequency as high as 133MHz;

2. External Quad-SPl flash memory with internal execution (XIP)

3. High-performance full crossover bus architecture;

4. On-board USB 1.1 (Device or host)

5. 12-bit 500 KSPS analog-to-digital Converter (ADC)

6. Dual programmable I0 (PIO) peripherals;

7.264K multi-bank high-performance SRAM

8.30 multi-functional universal input/output ports (GPIO): 2x UART, 2X I2C, 2X SPI, 4xADC, 1

A timer with 4 alarms and 1 real-time clock;