* 80C51 Central Processing Unit
  – 4 kbytes ROM/EPROM (80/87C51X2)
  – 8 kbytes ROM/EPROM (80/87C52X2)
  – 16 kbytes ROM/E.

requiring more ROM and RAM, as well as more on-chip peripherals, see the P89C66x and P89C51Rx2 data sheets. Timers Ser.

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/.

87C58

87C51

87C51FA

87C51FB

87C51FC

87C51FC-20

87C51GB

87C51SL

87C51X2

87C52

87C524

87C528

87C52X2