AT89C2051-12SI Datasheet PDF - ATMEL

●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