P87C51 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V/ low power/ high speed 33 MHz

P87C51 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V/ low power/ high speed 33 MHz

The Philips 8XC51/31 is a high-performance static 80C51 design fabricated with Philips high-density CMOS technology with operation from 2.7V to 5.5V. The 8XC51/31 contains a 4k × 8 ROM, a 128 × 8 RAM, 32 I/O lines, three 16-bit counter/timers, a six-source, four-priority level nested interrupt struc.

Features

• 8051 Central Processing Unit
  – 4k × 8 ROM (80C51)
  – 128 × 8 RAM
  – Three 16-bit counter/timers
  – Boolean processor
  – Full static operation
  – Low voltage (2.7V to 5.5V@ 16MHz) operation
• Memory addressing capability
  – 64k ROM and 64k RAM
• Power control modes:
  – Clock can be stopped and resumed
  – Idle mode
  – Power-down mode
• CMOS and TTL compatible
• TWO speed ranges at VCC = 5V
  – 0 to 16MHz
  – 0 to 33MHz SELECTION TABLE For applications requiring more ROM and RAM, see the 8XC52/54/58/80C32, 8XC51FA/FB/FC/80C51FA, and 8XC51RA+/RB+/RC+/80C51RA+ data sheet. ROM/EPROM Memory Size (X by 8) 8.