MC74LVXT8051DTRG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Microcontroller
• Characteristics: Low-voltage, high-speed, 8-bit microcontroller
• Package: TSSOP-38
• Essence: The MC74LVXT8051DTRG is a versatile microcontroller designed for various applications requiring low-voltage operation and high-speed processing.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Architecture: 8-bit
• Operating Voltage: 2.0V to 5.5V
• Clock Speed: Up to 33 MHz
• Flash Memory: 8 KB
• RAM: 256 bytes
• I/O Pins: 32
• Timers/Counters: 2
• Serial Communication: UART, SPI, I2C
• ADC Channels: 8
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LVXT8051DTRG has a total of 38 pins, which are assigned specific functions as follows:

1. P0.0 - Port 0, Bit 0
2. P0.1 - Port 0, Bit 1
3. P0.2 - Port 0, Bit 2
4. P0.3 - Port 0, Bit 3
5. P0.4 - Port 0, Bit 4
6. P0.5 - Port 0, Bit 5
7. P0.6 - Port 0, Bit 6
8. P0.7 - Port 0, Bit 7
9. VCC - Power Supply
10. GND - Ground
11. P1.0 - Port 1, Bit 0
12. P1.1 - Port 1, Bit 1
13. P1.2 - Port 1, Bit 2
14. P1.3 - Port 1, Bit 3
15. P1.4 - Port 1, Bit 4
16. P1.5 - Port 1, Bit 5
17. P1.6 - Port 1, Bit 6
18. P1.7 - Port 1, Bit 7
19. RST - Reset
20. XTAL1 - Crystal Oscillator Input
21. XTAL2 - Crystal Oscillator Output
22. P2.0 - Port 2, Bit 0
23. P2.1 - Port 2, Bit 1
24. P2.2 - Port 2, Bit 2
25. P2.3 - Port 2, Bit 3
26. P2.4 - Port 2, Bit 4
27. P2.5 - Port 2, Bit 5
28. P2.6 - Port 2, Bit 6
29. P2.7 - Port 2, Bit 7
30. ALE/PROG - Address Latch Enable/Program Pulse
31. PSEN - Program Store Enable
32. EA/VPP - External Access Enable/Programming Voltage Supply
33. P3.0 - Port 3, Bit 0
34. P3.1 - Port 3, Bit 1
35. P3.2 - Port 3, Bit 2
36. P3.3 - Port 3, Bit 3
37. P3.4 - Port 3, Bit 4
38. P3.5 - Port 3, Bit 5

Functional Features

• Low-voltage operation allows for reduced power consumption and compatibility with various power supply systems.
• High-speed processing enables efficient execution of instructions and faster response times.
• 8-bit architecture provides sufficient computational capabilities for a wide range of applications.
• Integrated flash memory allows for easy program storage and updates.
• Multiple communication interfaces (UART, SPI, I2C) facilitate seamless integration with other devices.
• On-chip ADC channels enable analog signal acquisition and processing.

Advantages and Disadvantages

Advantages: - Low-voltage operation reduces power consumption and extends battery life. - High-speed processing enables quick execution of tasks. - Versatile communication interfaces enhance connectivity options. - Ample I/O pins provide flexibility for interfacing with external components. - Compact package size (TSSOP-38) allows for space-efficient designs.

Disadvantages: - Limited RAM capacity may restrict the complexity of programs that can be executed. - Lack of built-in peripherals may require additional external components for certain applications. - Higher cost compared to some alternative models with similar specifications.

Working Principles

The MC74