80C51 MCU FLASH 16KB 40MHz 8b TQFP 36 I/O
8-bit 80C51 MCU, 40MHz, 64KB Flash, 2KB RAM, I2C, SPI, UART, TQFP
8-bit 80C51 MCU, 40MHz, 32KB Flash, 5V, TQFP
