T89C51RD2 Datasheet - ATMEL Corporation

T89C51RD2 0 to 40MHz Flash Programmable 8-bit Microcontroller

ATMEL Wireless and Microcontrollers T89C51RD2 is high performance CMOS Flash version of the 80C51 CMOS single chip 8-bit microcontroller. It contains a 64 Kbytes Flash memory block for program and for data. The 64 Kbytes Flash memory can be programmed either in parallel mode or in serial mode with t.

T89C51RD2 Features

* of the ATMEL Wireless and Microcontrollers 80C52 with 256 bytes of internal RAM, a 7-source 4-level interrupt controller and three timer/counters. In addition, the T89C51RD2 has a Programmable Counter Array, an XRAM of 1024 bytes, an EEPROM of 2048 bytes, a Hardware Watchdog Timer, a more versatile

T89C51RD2_ATMELCorporation.pdf