Hardware Specifications

• 200MHz 32-bit RISC-V processor 

• 4-stage pipeline

• Compliant to RV32IC instruction set

• 32KB Instruction Memory

• 32KB Data Memory

• 256KB Peripheral Memory

• 32 programmable GPIOs

• 12-bit SAR ADC, 4 differential channels (8 single ended)

• 12-bit SIGMA DELTA ADC

• Three SPI interfaces

• Two I2S interfaces

• Two I2C interfaces

• Two UART interfaces

• One host (SD/eMMC/SDIO)

• PWM

• TWAI®, compatible with ISO 11898-1 (CAN Specification 2.0)

• Internal  FLL (up to 200MHz)

• Internal 32KHz RC oscillator with calibration (100nW)

• Internal 32KHz Crystal oscillator with calibration (1uW)

• 2 × 32-bit timers

• One RTC timer

• RTC watchdog

• Memory Retention mode

• Transparent clock gating 

• Compliant with Bluetooth LE specifications