80C51 MCU 40MHz 32KB FLASH 8b TQFP
8-bit MCU 80C51 40MHz 32KB Flash SPI UART 32 I/O TQFP
8-bit 80C51 MCU, 40MHz, 16KB Flash, TQFP, 5V
8-Bit MCU 80C51 CISC 32KB Flash 40MHz 44-Pin TQFP
IC 80C51 MCU FLASH 64K 44-TQFP
