P80C51X2 Datasheet - NXP

P80C51X2, 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

INTEGRATED CIRCUITS 80C31X2/32X2 80C51X2/52X2/54X2/58X2 87C51X2/52X2/54X2/58X2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM.
The Philips microcontrollers described in this data sheet are high-performance static 80C51 designs incorporating Philips’ high-density CMOS technolog.

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 (80/87C52/54X2/58X

Applications

* requiring more ROM and RAM, as well as more on-chip peripherals, see the P89C66x and P89C51Rx2 data sheets. Timers Serial Interfaces Default Clock Rate ADC bits/ch. Optional Clock Rate Max. Freq. at 6-clk / 12-clk (MHz) 30/33 30/33 30/33 30/33 30/33 30/33 30/33 30/33 30/33 30/33 Freq. Range at 3V

P80C51X2_PhilipsSemiconductors.pdf