8-Bit 20MHz RISC MCU, FLASH, 7KB, 36 I/O, TQFP
8-Bit 20MHz RISC MCU, FLASH, 36 I/O, I2C, SPI, UART, TQFP
8-Bit 20MHz RISC MCU, FLASH, TQFP, I2C, SPI, UART