P87C54X2 80C51 8-bit microcontroller

P87C54X2 80C51 8-bit microcontroller

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 P8xC31X2/51X2 and P8xC32X2/52X2/54X2/58X2 contain 128 byte.

Features

• 80C51 Central Processing Unit
  – 4 kbytes ROM/EPROM (P80/P87C51X2)
  – 8 kbytes ROM/EPROM (P80/P87C52X2)
  – 16 kbytes ROM/EPROM (P80/P87C54X2)
  – 32 kbytes ROM/EPROM (P80/P87C58X2)
  – 128 byte RAM (P80/P87C51X2 and P80C31X2)
  – 256 byte RAM (P80/P87C52/54X2/58X2 and P80C32X2)
  – 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.