![]() Dsta Pin 40 provides supply voltage to the chip. Port 3 is a dual - purpose port on pins Now coming to the other pin functions. ![]() No alternate functions are as signed for Port 1 microcontrolleg thus they are used solely for interfacing to external devices. Port 0 is a dual-purpose port on pins of the 1C.įor larger designs with external memory, it becomes a multiplexed address and data bus. Starting from simple to advance interfacing techniques of various devices with Micro Controllers. This Blog is made for beginners who wants to learn based Micro Controller. AT89CPI Microchip Technology / Atmel 8-bit Microcontrollers – MCU UNSAWN WAFER 21 MIL BACKGRIND 89C51 – 24MHZ, PDIP, IND TEMP datasheet. Please consult the relevant Atmel datasheet. Disclaimer: Whilst information is supplied in good faith, we are not liable for any errors or omissions. However, the Atmel AT89C51 and AT89C52 can be special ordered as. Atmel reserves the right to change devices or specifications detailed in this data book.
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