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Description

The AT89C2051 is a low-voltage, high-performance CMOS 8-bit microcomputer with 2K bytes of Flash programmable and erasable read-only memory (PEROM). The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C2051 is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications.

Features

? Compatible with MCS?-51Products

? 2K Bytes of Reprogrammable Flash Memory

– Endurance: 1,000 Write/Erase Cycles

? 2.7V to 6V Operating Range

? Fully Static Operation: 0 Hz to 24 MHz

? Two-level Program Memory Lock

? 128 x 8-bit Internal RAM

? 15 Programmable I/O Lines

? Two 16-bit Timer/Counters

? Six Interrupt Sources

? Programmable Serial UART Channel

? Direct LED Drive Outputs

? On-chip Analog Comparator

? Low-power Idle and Power-down Modes

? Green (Pb/Halide-free) Packaging Option