P87C31X2 mhz equivalent, 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.
* 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.
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