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AT89C51-20PC +BOM

The AT89C51-20PC is a microcontroller based on the 80C31 architecture, providing 8-bit processing and 4k of memory

Manufacturer:

Microchip
Mfr.Part #:

AT89C51-20PC
Datasheet:

AT89C51-20PC Datasheet (PDF)
Series:

89C
Mounting Style:

Through Hole
Core:

8051
Program Memory Size:

4 kB
EDA/CAD Models:

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AT89C51-20PC General Description

The AT89C51-20PC is a high-performance CMOS 8-bit microcontroller from Atmel. It features 4 KB of programmable Flash memory, 128 bytes of RAM, 32 I/O lines, three 16-bit timer/counters, a UART serial channel, and a six-source, four-level interrupt structure. It operates at a maximum frequency of 20 MHz and is compatible with industry-standard MCS-51 instructions.The AT89C51-20PC also includes on-chip oscillator and clock circuitry, allowing for easy interfacing with external devices. The microcontroller is designed to be low-power and offers power-down and idle modes to conserve energy.With its versatile features, the AT89C51-20PC is suitable for a wide range of applications, including industrial control systems, automotive electronics, consumer electronics, and more. Its Flash memory can be easily reprogrammed, making it ideal for development and prototyping purposes.

Key Features

AT89C51-20PC is an 8-bit microcontroller with a 20 MHz clock speed, 4 KB of programmable Flash memory, and 128 bytes of RAM

It has 32 I/O pins, 2 timers/counters, and a serial communication interface

Additionally, it has an operating voltage range of 4 to 6 volts and is compatible with existing 8051 software

Application

Industrial automation: The AT89C51-20PC can be used in controlling and monitoring various industrial processes

Home automation: It can be utilized in controlling home appliances and security systems

Automotive electronics: The microcontroller can be integrated into automotive systems for functions such as engine control and dashboard displays

Robotics: It can be employed in controlling the movement and actions of robots in various applications

Specifications

Product Category	8-bit Microcontrollers - MCU	Series	89C
Mounting Style	Through Hole	Core	8051
Program Memory Size	4 kB	Data Bus Width	8 bit
ADC Resolution	No ADC	Maximum Clock Frequency	20 MHz
Number of I/Os	32 I/O	Data RAM Size	128 B
Supply Voltage - Min	4 V	Supply Voltage - Max	6 V
Minimum Operating Temperature	0 C	Maximum Operating Temperature	+ 70 C
Data ROM Type	Flash	Height	3.94 mm
Length	52.6 mm	Number of Timers/Counters	2 Timer
Product	MCU	Product Type	8-bit Microcontrollers - MCU
Program Memory Type	Flash	Subcategory	Microcontrollers - MCU
Width	14.4 mm	Unit Weight	0.210004 oz