P87C51RB2 Datasheet (PDF) Download
NXP Semiconductors
P87C51RB2

Description

The devices are Single-Chip 8-Bit Microcontrollers manufactured in an advanced CMOS process and are derivatives of the 80C51 microcontroller family. The instruction set is 100% compatible with the 80C51 instruction set.

Key Features

  • 80C51 Central Processing Unit - 8 kbytes OTP (87C51RA2) - 16 kbytes OTP (87C51RB2) - 32 kbytes OTP (87C51RC2) - 64 kbytes OTP (87C51RD2) - 512 byte RAM (87C51RA2/RB2/RC2) - 1 kbyte RAM (87C51RD2) - Boolean processor - Fully static operation - Low voltage (2.7 V to 5.5 V at 16 MHz) operation
  • 12-clock operation with selectable 6-clock operation (via software or via parallel programmer)
  • Memory addressing capability - Up to 64 kbytes ROM and 64 kbytes RAM
  • Power control modes: - Clock can be stopped and resumed - Idle mode - Power-down mode
  • CMOS and TTL compatible
  • Two speed ranges at VCC = 5 V - 0 to 30 MHz with 6-clock operation - 0 to 33 MHz with 12-clock operation
  • Parallel programming with 87C51 compatible hardware interface to programmer
  • RAM expandable externally to 64 kbytes
  • Programmable Counter Array (PCA) - PWM - Capture/compare
  • PLCC, LQFP, or DIP package