The ATMEL 89C2051 Microcontroller or commonly known as AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with in-system programmable Flash on a monolithic chip, the Atmel AT89S52 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications.

Features of ATMEL 89C2051 Microcontroller:

• Compatible with MCS®-51Products
• 2K Bytes of Reprogrammable Flash Memory.
• Endurance: 10,000 Write/Erase Cycles.
• 2.7V to 6V Operating Range.
• Endurance: 1,000 Write/Erase Cycles
• 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.
• Dual Data Pointer.
• Low-power Idle and Power-down Modes.
• On-chip Analog Comparator

Applications of ATMEL 89C2051 Microcontroller:

• Multiple DIY projects.
• Projects requiring more than logical control for devices.
• Microcontroller applications for multiple device interface/Control.
• Replacement for Arduino module.
• Needs a USB AVR programmer.

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