AT89LS8252-12JI

Product Overview

Category

The AT89LS8252-12JI belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control and processing capabilities.

Characteristics

• Low-power consumption
• High-performance 8-bit CPU
• Flash memory for program storage
• In-system programmable
• Multiple I/O ports
• Serial communication interfaces
• Timers and counters
• Analog-to-digital converter (ADC)
• Watchdog timer

Package

The AT89LS8252-12JI is available in a compact and durable package, suitable for surface mount technology (SMT) applications.

Essence

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

Packaging/Quantity

The AT89LS8252-12JI is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Clock Frequency: Up to 12 MHz
• Flash Memory: 8 KB
• RAM: 256 bytes
• I/O Pins: 32
• ADC Resolution: 10 bits
• Timers/Counters: 3
• Serial Communication Interfaces: UART, SPI, I2C

Detailed Pin Configuration

The AT89LS8252-12JI microcontroller has a total of 40 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. P3.0 - Port 3, Pin 0
11. P3.1 - Port 3, Pin 1
12. P3.2 - Port 3, Pin 2
13. P3.3 - Port 3, Pin 3
14. P3.4 - Port 3, Pin 4
15. P3.5 - Port 3, Pin 5
16. P3.6 - Port 3, Pin 6
17. P3.7 - Port 3, Pin 7
18. XTAL1 - Crystal Oscillator Input
19. XTAL2 - Crystal Oscillator Output
20. GND - Ground

... (continued for remaining pins)

Functional Features

The AT89LS8252-12JI microcontroller offers several functional features that enhance its usability and performance:

1. Low-power Consumption: The microcontroller is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered applications.
2. High-performance CPU: The 8-bit CPU provides fast and reliable processing capabilities, enabling efficient execution of instructions.
3. Flash Memory: The built-in flash memory allows for easy and flexible program storage and updates.
4. In-system Programmable: The microcontroller can be programmed in-circuit, eliminating the need for external programming devices.
5. Multiple I/O Ports: The numerous I/O ports provide connectivity options for interfacing with external devices and sensors.
6. Serial Communication Interfaces: The UART, SPI, and I2C interfaces enable seamless communication with other devices.
7. Timers and Counters: The integrated timers and counters facilitate precise timing and event counting operations.
8. Analog-to-Digital Converter (ADC): The ADC allows for the conversion of analog signals into digital values, expanding the microcontroller's capabilities.
9. Watchdog Timer: The watchdog timer ensures system reliability by monitoring and resetting the microcontroller in case of malfunctions.

Advantages and Disadvantages

Advantages

• Low-power consumption extends battery life in portable applications.
• In-system programmability simplifies the development and debugging process.
• Multiple I/O ports provide flexibility for interfacing with various external devices.
• Integrated serial communication interfaces enable easy connectivity with other devices.
• Flash memory allows for easy program storage and updates.

Disadvantages

• Limited RAM capacity may restrict the complexity of applications.
• Clock frequency limitation may impact performance in high-speed applications.
• Lack of built-in peripherals may require additional external components for specific functionalities.

Working Principles

The AT89LS8252-12JI