ATMEL AT89C51 Microcontroller 8-bit with 4K Bytes Flash

The ATMEL AT89C51 is an 8-bit microcontroller based on the MCS-51 architecture. AT89C51 24PC has 4K bytes of Flash memory, 128 bytes of RAM, 32 I/O lines, two 16-bit timer/counters, a five vector two-level interrupt architecture, a full duplex serial port, and on-chip oscillator and clock circuitry. It is design with static logic for operation down to zero frequency and supports two software selectable power saving modes.

The ATMEL 89C51 Microcontroller is a popular choice for embedded control applications because AT89C51 24PU is relatively inexpensive, easy to use, and has a wide range of features. It is use in a variety of applications

The AT89C51 Microcontroller can program using a variety of software tools, including Keil µVision, IAR Embedded Workbench, and MPLAB IDE. AT89C51 can also program using a conventional nonvolatile memory programmer.

It is important to note that the AT89C51 microcontroller is not protected against overvoltage. If the input voltage exceeds 6.6 V, the microcontroller may damage.

The ATMEL AT89C51 microcontroller can operate in a wide voltage range from 2.7 V to 5.5 V. The recommended operating voltage is 5 V. The maximum operating voltage is 6.6 V. The minimum operating voltage is 2.7 V.

The AT89C51 microcontroller has a built-in voltage regulator that provides a stable 5 V supply for the CPU and other components. This allows the microcontroller to operate reliably over a wide range of input voltages.

AT89C51 manufacturing uses Atmel’s high-density non-volatile memory technology and is compatible with the industry-standard MCS-51 instruction set and pinout. Atmel 89C51 IC is an 8-bit microcontroller and belongs to Atmel’s 8051 family. ATMEL 89C51 has 4KB of Flash programmable and erasable read only memory (PEROM) and 128 bytes of RAM. It can be erased and program to a maximum of 1000 times.

Features : –

The ATMEL AT89C51 microcontroller has a number of benefits, including:

• Low cost
• Easy to use
• Wide range of features
• Wide operating voltage range
• Power saving modes

ATMEL AT89C51 Microcontroller 8-bit Specifications : –

The ATMEL AT89C51 microcontroller is an 8-bit microcontroller based on the MCS-51 architecture. It has the following specifications:

• CPU: 8051-compatible CPU with 8-bit registers
• Flash memory: 4K bytes of Flash memory
• RAM: 128 bytes of RAM
• I/O: 32 I/O lines
• Timer/counters: Two 16-bit timer/counters
• Interrupts: Five vector two-level interrupt architecture
• Serial port: Full duplex serial port
• Clock circuitry: On-chip oscillator and clock circuitry
• Power saving modes: Two software selectable power saving modes
• Operating voltage: 2.7 V to 5.5 V
• Maximum clock frequency: 24 MHz
• Package: 40-pin DIP

ATMEL AT89C51 Microcontroller 8-bit Applications : –

The ATMEL AT89C51 microcontroller is a versatile and powerful microcontroller that can use in a wide range of applications. Some of the most common applications of the AT89C51 microcontroller include:

• Industrial control
• Home automation
• Medical devices
• Consumer electronics
• Telecommunications
• Education
• Automotive
• Aerospace
• Military

The AT89C51 microcontroller is a powerful and versatile microcontroller that can use in a wide range of applications. It is a good choice for beginners and experienced engineers alike.

Here are some additional applications of the ATMEL AT89C51 microcontroller:

• LED displays
• LCD displays
• Motor control
• Sensors
• Communication

The AT89C51 microcontroller is a versatile and powerful microcontroller that can use to solve a wide variety of problems. If you are looking for a microcontroller for your next project, the ATMEL AT89C51 is a good option to consider.

Pin Description : –

The ATMEL AT89C51 microcontroller has 40 pins, which are divided into three groups: power pins, I/O pins, and special function pins.

Power pins

• VCC: This pin provides the microcontroller with power. The voltage on this pin should be between 2.7 V and 5.5 V.
• GND: This pin provides the microcontroller with a ground connection.

I/O pins

• P0.0 to P0.7: These pins are general-purpose I/O pins. They can use as inputs or outputs.
• P1.0 to P1.7: These pins are general-purpose I/O pins. They can use as inputs or outputs.
• P2.0 to P2.7: These pins are general-purpose I/O pins. They can use as inputs or outputs.

Special function pins

• XTAL1: This pin connect to the crystal oscillator.
• XTAL2: This pin connect to the crystal oscillator.
• P3.0 to P3.7: These pins are special function pins. They are use for various purposes, such as serial communication, interrupts, and timers.
• EA: This pin is the enable pin for the external memory.
• ALE/PROG: This pin is the address latch/program enable pin. It is use to select between the program memory and the external memory.
• VPP: This pin is the programming voltage pin. It is use to program the microcontroller.

Package : –

1 x ATMEL AT89C51 Microcontroller 8-bit

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