Hot sale original electronics Microchip AT89C51RD2-SLSUM IC MCU 8BIT 64KB FLASH 44PLCC 80C51 89C Microcontroller IC 8-Bit

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AT89C51RD2-SLSUM Description

AT89C51RD2-SLSUM is a high-performance CMOS Flash version of the 80C51 CMOS single-chip 8-bit microcontroller. It contains a 64-Kbyte Flash memory block for code and for data. The 64-Kbytes Flash memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software. The programming voltage is internally generated from the standard VCC pin. The AT89C51RD2-SLSUM retains all of the features of the Atmel 80C52 with 256 bytes of internal RAM, a 9-source 4-level interrupt controller, and three timers/counters. The AT89C51RD2-SLSUM provides 2048 bytes of EEPROM for nonvolatile data storage.

AT89C51RD2-SLSUM Features

Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply

ISP (In-System Programming) Using Standard VCC Power Supply

2048 Bytes Boot ROM Contains Low-Level Flash Programming Routines and a Default Serial Loader

On-chip 2048 Bytes EEPROM Block for Data Storage (AT89C51ED2 Only)

100K Write Cycles

Dual Data Pointer

Variable Length MOVX for Slow RAM/Peripherals

Improved X2 Mode with Independent Selection for CPU and Each Peripheral

AT89C51RD2-SLSUM Applications

Alarms

Motor control

Corded phones

Smart card readers

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