DS89C450-ENL

Product Overview

Category: Microcontroller

Use: The DS89C450-ENL is a microcontroller designed for embedded systems and industrial applications. It provides a wide range of features and capabilities to facilitate the development of various electronic devices.

Characteristics: - High-performance 8-bit microcontroller - 80C51 architecture with enhanced features - Flash memory for program storage - Integrated peripherals for versatile functionality - Robust design for reliable operation in harsh environments

Package: The DS89C450-ENL is available in a compact and durable package, suitable for surface mount technology (SMT) assembly. This package ensures easy integration into electronic circuits and enhances the overall reliability of the system.

Essence: The essence of the DS89C450-ENL lies in its ability to provide a powerful and flexible platform for developing embedded systems. Its combination of high-performance processing, extensive peripheral support, and robust design make it an ideal choice for demanding applications.

Packaging/Quantity: The DS89C450-ENL is typically supplied in reels or trays, depending on the manufacturer's packaging standards. The quantity per reel or tray may vary, but it is commonly available in quantities suitable for both prototyping and production purposes.

Specifications

The DS89C450-ENL offers the following specifications:

• CPU Clock Frequency: Up to 20 MHz
• Program Memory: 64 KB Flash
• Data Memory: 256 bytes RAM
• I/O Ports: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DS89C450-ENL features a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

1. P0.0
2. P0.1
3. P0.2
4. P0.3
5. P0.4
6. P0.5
7. P0.6
8. P0.7
9. VSS
10. XTAL1
11. XTAL2
12. RST
13. PSEN
14. ALE/PROG
15. EA/VPP
16. P2.0
17. P2.1
18. P2.2
19. P2.3
20. P2.4
21. P2.5
22. P2.6
23. P2.7
24. P3.0
25. P3.1
26. P3.2
27. P3.3
28. P3.4
29. P3.5
30. P3.6
31. P3.7
32. VCC
33. GND
34. RXD
35. TXD
36. INT0
37. INT1
38. T0
39. T1
40. WR

Functional Features

The DS89C450-ENL offers several functional features that enhance its versatility and usability in various applications:

1. Enhanced 8051 Core: The microcontroller is based on the popular 8051 architecture but incorporates additional enhancements for improved performance and functionality.

2. Flash Memory: The integrated flash memory allows for easy reprogramming of the microcontroller, enabling firmware updates and flexibility in application development.

3. Integrated Peripherals: The DS89C450-ENL includes a range of integrated peripherals such as UART, SPI, and I2C interfaces, timers/counters, and an ADC. These peripherals enable seamless communication with external devices and support various input/output operations.

4. Wide Operating Voltage Range: With an operating voltage range of 2.7V to 5.5V, the microcontroller can be powered by a variety of sources, providing flexibility in different power supply configurations.

Advantages and Disadvantages

Advantages: - High-performance processing capabilities - Extensive peripheral support for versatile applications - Robust design for reliable operation in harsh environments - Flash memory allows for easy firmware updates - Wide operating voltage range enhances flexibility

Disadvantages: - Limited data memory (256 bytes RAM) - 8-bit architecture may not be suitable for certain complex applications - Availability and pricing may vary depending on the supplier

Working Principles

The DS89C450-ENL operates based on the principles of the 8051 architecture. It executes instructions stored in its flash memory, interacting with the integrated peripherals and external