AT89C1051-12SC

Product Overview

Category

AT89C1051-12SC belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control systems.

Characteristics

• Low-power, high-performance CMOS 8-bit microcontroller
• 1K bytes of Flash memory
• 64 bytes of RAM
• 15 programmable input/output (I/O) lines
• Two 16-bit timer/counters
• Six interrupt sources
• On-chip oscillator and clock circuitry

Package

AT89C1051-12SC is available in a small outline package (SOIC) format.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control for a wide range of electronic devices and systems.

Packaging/Quantity

AT89C1051-12SC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Operating Voltage: 2.7V to 6V
• Maximum Clock Frequency: 12 MHz
• Flash Memory Size: 1K bytes
• RAM Size: 64 bytes
• Number of I/O Lines: 15
• Timers/Counters: 2 (16-bit)
• Interrupt Sources: 6

Detailed Pin Configuration

The AT89C1051-12SC microcontroller has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. P1.0 - Port 1, Pin 0
2. P1.1 - Port 1, Pin 1
3. P1.2 - Port 1, Pin 2
4. P1.3 - Port 1, Pin 3
5. P1.4 - Port 1, Pin 4
6. P1.5 - Port 1, Pin 5
7. P1.6 - Port 1, Pin 6
8. P1.7 - Port 1, Pin 7
9. RST - Reset Pin
10. VCC - Power Supply
11. P3.0 - Port 3, Pin 0
12. P3.1 - Port 3, Pin 1
13. P3.2 - Port 3, Pin 2
14. P3.3 - Port 3, Pin 3
15. P3.4 - Port 3, Pin 4
16. P3.5 - Port 3, Pin 5
17. P3.6 - Port 3, Pin 6
18. P3.7 - Port 3, Pin 7
19. XTAL1 - Crystal Oscillator Input
20. XTAL2 - Crystal Oscillator Output

Functional Features

The AT89C1051-12SC microcontroller offers several functional features that make it a versatile choice for embedded control applications:

1. Flash Memory: The built-in 1K bytes of Flash memory allows for easy program storage and modification.
2. RAM: With 64 bytes of RAM, the microcontroller can efficiently handle data storage and manipulation.
3. I/O Lines: The 15 programmable I/O lines provide flexibility in connecting external devices and sensors.
4. Timers/Counters: Two 16-bit timers/counters enable precise timing and event counting capabilities.
5. Interrupt Sources: The six interrupt sources allow for efficient handling of external events and interrupts.
6. On-Chip Oscillator: The on-chip oscillator eliminates the need for an external clock source.

Advantages and Disadvantages

Advantages

• Low-power consumption
• Compact size
• Wide operating voltage range
• Easy programming and modification of code
• Versatile I/O capabilities

Disadvantages

• Limited program and data memory compared to higher-end microcontrollers
• Relatively lower clock frequency compared to some other microcontrollers

Working Principles

The AT89C1051-12SC microcontroller operates based on the principles of digital logic and embedded control systems. It executes instructions stored in its Flash memory, processes data using its RAM, and interacts with external devices through its I/O lines. The on-chip oscillator generates the necessary clock signals for synchronization and timing.

Detailed Application Field Plans

AT89C1051-12SC finds applications in various fields, including but not limited to: - Home automation systems - Industrial control systems - Automotive electronics - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT89C1051-12SC are: - AT89C2051-24PU - AT89S52-24PU - PIC16F877A-I