8-Bit MCU, 25MHz, FLASH, 4KB, 8051 Core, QFN, 3.3V
8-Bit MCU, 4KB FLASH, 25MHz, 8051 Core, I2C, UART, QFN
8-Bit MCU, 4KB Flash, 25MHz, 8 I/O, SOIC, I2C, UART
