80C51 8-bit microcontroller family 8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V), low power, high speed (33 MHz)

DESCRIPTION\nThree different Single-Chip 8-Bit Microcontroller families are presented in this datasheet:\n\n?80C32/8XC52/8XC54/8XC58\n?80C51FA/8XC51FA/8XC51FB/8XC51FC\n?80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+\n\nFor applications requiring 4K ROM/EPROM, see the 8XC51/80C31 8-bit CMOS (low voltag ?80C51 Central Processing Unit\n?Speed up to 33MHz\n?Full static operation\n?Operating voltage range: 2.7V to 5.5V @ 16MHz\n?Security bits:\n–ROM – 2 bits\n–OTP–EPROM – 3 bits\n?Encryption array – 64 bytes\n?RAM expandable to 64K bytes\n?4 level priority interrupt\n?6 or7 interrupt sources, dependin;

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