Legacy 8051/80C51Microcontrollers

Microchip

Pin-for-Pin Compatible Replacements for Recently EOL NXP Device

Microchip welcomes customers who are currently using NXP’s 80C51 MCUs and want to avoid redesigning their end products. We offer a 100% compatible 80C51 product portfolio, and the option to migrate to our broad portfolio of 8-bit, 16-bit and 32-bit PIC® microcontrollers in the future.

nxp-compatible-8051-mcu

 

RC Series: Single-Block SuperFlash® 8051 MCUs

  • 512 byte/1024 byte RAM
  • Single-block SuperFlash –8/16/32KByte + 1KByte
  • 0-33MHz @ 5V (4.5∼5.5V ) –89C58RC: 2.7∼5.5V
  • Enhanced UART –89C58RC: I²C interface

RD 3V Series: Dual-Block SuperFlash® 8051 MCUs

  • 512 byte/1024 byte RAM
  • 0-33MHz @ 3V (2.7∼3.6V)
  • Dual-block SuperFlash –16/32/64 Kbyte + 8KByte
  • Programmable Counter Array
  • UART & SPI interface
  • Brown-out detection

RD 5V Series: Dual-Block SuperFlash® 8051 MCUs

  • 512 byte/1024 byte RAM
  • 0-40MHz @ 5V (4.5∼5.5V)
  • Dual-block SuperFlash –16/32/64 Kbyte + 8KByte
  • Programmable Counter Array
  • UART & SPI interface
  • Brown-out detection


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