Last year, WCH introduced their first RISC-V MCU with CH572 Bluetooth LE microcontroller which came with 10KB SRAM and a not so convenient 96KB OTP flash. But I’ve just been informed the company has introduced their first general-purpose RISC-V MCU family with several CH32V103 microcontrollers featuring up to 64KB Flash and 20KB SRAM, and all sort of peripherals you’d expect from a general-purpose MCU. WCH CH32V103 key features and specifications: CPU Core – 32-bit RISC-V (RV32IMAC) core @ up to 72/80 MHz called ” RISC-V3A” Memory – 10KB or 20KB SRAM Storage – 32KB or 64KB flash Peripherals 1x USB 2.0 Full Speed Host/Device Up to 2x SPI (master/slave), up to 2x I2C, up to 3x USART Up to 16x 12-bit ADC/touch key 37x or 51x GPIOs Up to 3x general-purpose timers, 1x advanced timer,  2x watchdog timers, 1x Systick Supply Voltage – 2.7 to 5.5V Package – LQFP48, QFN48 […]