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AT89C4051-12PU

The AT89C4051-12PU is a low-power, high-performance CMOS 8-bit microcontroller unit (MCU) manufactured by Microchip Technology. It is based on the popular 8051 microcontroller architecture and is designed for a wide range of embedded control applications.

Description:

The AT89C4051-12PU features 4KB of on-chip Flash memory for program storage, 128 bytes of RAM, and 64 bytes of EEPROM for data storage. It operates at a frequency of 12 MHz and has a wide operating voltage range of 4.0V to 5.5V. The device is available in a 40-pin plastic DIP package.

Features:

1. 4KB on-chip Flash memory for program storage
2. 128 bytes of RAM
3. 64 bytes of EEPROM for data storage
4. 12 MHz operating frequency
5. Wide operating voltage range (4.0V to 5.5V)
6. 40-pin plastic DIP package
7. Low-power consumption
8. Internal clock oscillator
9. Two 16-bit timer/counters
10. Five interrupt sources with two-level priority
11. Serial communication capabilities (UART)
12. On-chip debug facilities

Applications:

The AT89C4051-12PU is suitable for a variety of embedded control applications, including but not limited to:

1. Industrial control systems
2. Home automation and security systems
3. Medical equipment control
4. Telecommunication devices
5. Automotive control modules
6. Office automation equipment
7. Portable electronic devices
8. Smart sensors and actuators
9. Consumer electronics
10. Battery-powered devices

The AT89C4051-12PU's combination of features, such as low-power consumption, on-chip memory, and a wide operating voltage range, make it an ideal choice for applications where space and power are critical constraints.