Microchip Technology

AT89C4051-24SU  

Microcontrollers

The AT89C4051-24SU 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 AT89C4051-24SU features 4KB of on-chip Flash memory for program storage, 128 bytes of on-chip RAM, and 24 I/O lines. It operates with a single 4MHz to 24MHz crystal oscillator and has a 5V supply voltage. The device is available in a 28-pin small outline package (SOP).

Features:

1. 4KB on-chip Flash memory for program storage
2. 128 bytes of on-chip RAM
3. 24 I/O lines
4. 4MHz to 24MHz crystal oscillator frequency range
5. 5V supply voltage
6. Watchdog timer
7. Two 16-bit timer/counters with three modes of operation
8. Eight interrupt sources with two-level priority
9. Full-duplex UART for serial communication
10. Low-power idle and power-down modes
11. In-system programmability (ISP) and in-circuit serial programming (ICSP)
12. 28-pin small outline package (SOP)

Applications:

The AT89C4051-24SU is suitable for a wide range of applications, including but not limited to:

1. Industrial control systems
2. Home automation and smart home devices
3. Medical equipment and monitoring systems
4. Telecommunication systems
5. Automotive control modules
6. Security systems and access control
7. Point-of-sale (POS) terminals and vending machines
8. Handheld devices and portable electronics
9. Data acquisition and signal processing systems
10. Battery-powered devices and energy-harvesting applications

The AT89C4051-24SU's combination of features, such as low power consumption, in-system programmability, and a wide range of I/O options, makes it a versatile choice for various embedded control applications.

AT89C4051-24SU Documents

Download datasheets and manufacturer documentation for AT89C4051-24SU

PCN Assembly/Origin :

AT89C4051 13/Jul/2021      

Datasheets :

AT89C4051      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

AT89C4051 Development Tool Selector      

HTML Datasheet :

AT89C4051      

PCN Design/Specification :

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

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH