Form factor: 21 mm × 51 mm
CPU: Dual-core Arm Cortex-M0+ @ 133MHz
Memory: 264KB on-chip SRAM; 2MB onboard QSPI Flash
Interfacing: 26 GPIO pins, including 3 analogue inputs
Peripherals:
2 × UART
2 × SPI controllers
2 × I2C controllers
16 × PWM channels
1 × USB 1.1 controller and PHY, with host and
Device Support: 8 × PIO state machines
Input Power: 1.8–5.5V DC
Operating Temperature: -20°C to +85°C
