Microchip Technology

AT89C1051U-12PC  

Microcontrollers

The AT89C1051U-12PC is a microcontroller unit (MCU) developed by Microchip Technology. It belongs to the AT89C1051 series, which is a family of low-power, high-performance, and low-density CMOS 8-bit microcontrollers based on the Intel 8051 microcontroller architecture.

Description:

The AT89C1051U-12PC is a 40-pin PLCC (Plastic Leaded Chip Carrier) package microcontroller with an 8051 core. It features 4 KB of Flash memory, 128 bytes of RAM, and 4 KB of EPROM. The device operates at a frequency of up to 12 MHz and has a wide operating voltage range of 4.0V to 5.5V.

Features:

1. 4 KB on-chip Flash memory with read-while-write capability
2. 128 bytes of on-chip RAM
3. 4 KB on-chip EPROM
4. 22 I/O lines with 8-bit bidirectional data bus
5. Two 16-bit timer/counters with 5 capture/compare modes
6. Five interrupt sources with two priority levels
7. Two serial channels (UART and SPI)
8. On-chip oscillator with clock frequency range of 0-12 MHz
9. Low-power idle and power-down modes
10. In-circuit serial programming (ICSP) and serial application programming (SAP) for easy programming and debugging
11. Brown-out detection and reset feature

Applications:

The AT89C1051U-12PC is suitable for a wide range of applications due to its low power consumption, versatility, and ease of use. Some common applications include:

1. Industrial control systems
2. Home automation and smart home devices
3. Medical equipment and monitoring systems
4. Automotive control systems
5. Telecommunication systems
6. Office automation equipment
7. Security systems and access control
8. Consumer electronics, such as appliances and toys
9. Data acquisition and signal processing systems
10. Embedded systems in various industries

The AT89C1051U-12PC is an ideal choice for applications requiring a compact, low-power, and cost-effective solution with the flexibility and functionality of the 8051 microcontroller architecture.

AT89C1051U-12PC Documents

Download datasheets and manufacturer documentation for AT89C1051U-12PC

Datasheets :

AT89C1051U      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016      

HTML Datasheet :

AT89C1051U      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH