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Datasheet P89CV51RD2FBC,557 - NXP 8- bit Microcontrollers (MCU) 80C51 64K FL / 1K R

Part Number: P89CV51RD2FBC,557

Manufacturer: NXP

Description: 8- bit Microcontrollers (MCU) 80C51 64K FL / 1K R

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8-bit 80C51 5 V low power 64 kB flash microcontroller with 1 kB RAM, SPI, 6-clock CPU with 6/12-clock peripherals
Rev. 03 -- 25 August 2009 Product data sheet
1. General description
The P89CV51RB2/RC2/RD2 are three types of 80C51 microcontroller with respectively 16 kB/32 kB/64 kB flash and 1 kB of data RAM. These devices are designed to be drop-in and software-compatible replacements for the popular P89C51RB2/RC2/RD2 devices. Both the In-System Programming (ISP) and In-Application Programming (IAP) boot codes are upward compatible. Additional features of the P89CV51RB2/RC2/RD2 devices compared to the P89C51RB2/RC2/RD2 are the inclusion of an SPI interface, larger RAM size, and the ability to erase code memory in 128-B page blocks. The IAP capability combined with the 128-B page size allows for efficient use of the code memory for non-volatile data storage.


  • Clock Frequency Max: 40 MHz
  • Core: 80C51
  • Data Bus Width: 8 bit
  • Height: 1 mm
  • Interface: SPI, UART
  • Length: 10 mm
  • Mounting Style: SMD/SMT
  • Number of I/O Lines: 32
  • Number of Timers: 3
  • On-Chip ADC: No
  • On-Chip DAC: No
  • Operating Supply Voltage: 4.5 V to 5.5 V
  • Operating Temperature Range: - 40 C to + 85 C
  • Package / Case: TQFP-44
  • Packaging Type: Reel
  • Processor Series: P89CV5x
  • Program Memory Size: 64 Kb
  • Program Memory Type: Flash
  • RAM Size: 1 Kb
  • Supply Voltage Range: 4.5 V to 5.5 V
  • Width: 10 mm
  • RoHS: Yes
  • Part Aliases: P89CV51RD2FBC

Other Names:

P89CV51RD2FBC557, P89CV51RD2FBC 557

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