P87C51RD-5B Datasheet PDF - Philips

DESCRIPTION

●Three different Single-Chip 8-Bit Microcontroller families are presented in this datasheet:

●•80C32/8XC52/8XC54/8XC58

●•80C51FA/8XC51FA/8XC51FB/8XC51FC

●•80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+

●For applications requiring 4K ROM/EPROM, see the 8XC51/80C31 8-bit CMOS (low voltage, low power, and high speed) microcontroller families datasheet.

●FEATURES

●•80C51 Central Processing Unit

●•Speed up to 33MHz

●•Full static operation

●•Operating voltage range: 2.7V to 5.5V @ 16MHz

●•Security bits:

●–ROM – 2 bits

●–OTP–EPROM – 3 bits

●•Encryption array – 64 bytes

●•RAM expandable to 64K bytes

●•4 level priority interrupt

●•6 or7 interrupt sources, depending on device

●•Four 8-bit I/O ports

●•Full-duplex enhanced UART

●–Framing error detection

●–Automatic address recognition

●•Power control modes

●–Clock can be stopped and resumed

●–Idle mode

●–Power down mode

●•Programmable clock out

●•Second DPTR register

●•Asynchronous port reset

●•Low EMI (inhibit ALE)