Microchip Technology

AT89LS51-16AU  

Microcontrollers

The AT89LS51-16AU is a low-power, high-performance CMOS 8-bit microcontroller unit (MCU) manufactured by Microchip Technology. It is based on the Harvard architecture and features a rich set of on-chip peripherals, making it suitable for a wide range of embedded applications.

Description:

The AT89LS51-16AU is an 8051-compatible microcontroller with 16KB of in-system programmable Flash memory, 256 bytes of RAM, and 128 bytes of EEPROM. It operates at a frequency of up to 24 MHz and has a wide operating voltage range of 4.0V to 5.5V. The device is available in a 44-pin PDIP (Plastic Dual In-Line Package) package.

Features:

1. 16KB on-chip Flash memory with read-while-write capability
2. 256 bytes of on-chip RAM
3. 128 bytes of EEPROM (Electrically Erasable Programmable Memory)
4. 21 I/O (Input/Output) lines with 4-bit bidirectional data bus
5. 2 16-bit timer/counters with 8-bit auto-reload registers
6. 5 interrupt sources with 2 priority levels
7. Full-duplex UART (Universal Asynchronous Receiver/Transmitter) for serial communication
8. On-chip oscillator with calibration
9. Watchdog timer with internal and external oscillation modes
10. Low-power idle and power-down modes
11. In-system programmability for easy firmware updates
12. On-chip debug interface for easy debugging and testing

Applications:

The AT89LS51-16AU is suitable for a wide range of embedded applications due to its low power consumption, high performance, and extensive on-chip peripherals. Some common applications include:

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

The AT89LS51-16AU's combination of features, performance, and low power consumption make it an ideal choice for developers looking to create efficient and reliable embedded systems.

AT89LS51-16AU Documents

Download datasheets and manufacturer documentation for AT89LS51-16AU

PCN Assembly/Origin :

Assembly 03/Aug/2020      

Datasheets :

AT89LS51      

PCN Packaging :

Boxes 07/Dec/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

AT89LS51 Development Tool Selector      

HTML Datasheet :

AT89LS51      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Copper Bonding Wire 17/Oct/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH