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.
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.
The AT89C4051-12PU is suitable for a variety of embedded control applications, including but not limited to:
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.
Download datasheets and manufacturer documentation for AT89C4051-12PU