80C51 40MHz 32-Bit Microcontroller, DIP, -40°C to 85°C, UART, USART
8-Bit 8051 MCU, 40MHz, 32 I/O, 1KB RAM, PQFP44
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80C51 8051 Core 30MHz UART/USART 32I/O DIP Through Hole
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