P87C34X2 - NXP

P87C34X2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V/ low power/ high speed 30/33 MHz

The Philips microcontrollers described in this data sheet are high-performance static 80C51 designs incorporating Philips’ high-density CMOS technology with operation from 2.7 V to 5.5 V. They support both 6-clock and 12-clock operation. The 8xC31X2/51X2 and 8xC32X2/52X2/54X2/58X2 contain 128 byte RAM and 256 byte RAM respectively, 32 I/O lines, three 16-bit.

Features

• 80C51 Central Processing Unit
  – 4 kbytes ROM/EPROM (80/87C51X2)
  – 8 kbytes ROM/EPROM (80/87C52X2)
  – 16 kbytes ROM/EPROM (80/87C54X2)
  – 32 kbytes ROM/EPROM (80/87C58X2)
  – 128 byte RAM (80/87C51X2 and 80C31X2)
  – 256 byte RAM (80/87C52/54X2/58X2 and 80C32X2)
  – 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
• Memory addressing capability
  – 64 kbytes ROM and 64 kbytes RAM
• Encryption array - 64 bytes
• 4 interrupt priority levels
• 6 interrupt sources
• Four 8-bit I/O ports
• Full-duplex enha.