AT89C51CC03CA-RDTUM

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics:
  • High-performance 8-bit microcontroller
  • Low-power consumption
  • Flash memory for program storage
  • Multiple I/O ports for interfacing with external devices
  • On-chip peripherals for various applications
• Package: RDTUM (Reduced Dual Tone Multi-Frequency)
• Essence: AT89C51CC03CA-RDTUM is a versatile microcontroller designed for embedded systems and control applications. It offers high performance, low power consumption, and a range of on-chip peripherals.
• Packaging/Quantity: The AT89C51CC03CA-RDTUM is available in a standard RDTUM package and is typically sold individually.

Specifications

• Architecture: 8-bit
• Clock Speed: Up to 40 MHz
• Program Memory: 64 KB Flash
• Data Memory: 2 KB RAM
• I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C
• Analog-to-Digital Converter: 10-bit, 8 channels
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The AT89C51CC03CA-RDTUM microcontroller has a total of 40 pins. 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. VCC
10. GND
11. RST
12. P1.0
13. P1.1
14. P1.2
15. P1.3
16. P1.4
17. P1.5
18. P1.6
19. P1.7
20. XTAL1
21. XTAL2
22. EA/VPP
23. ALE/PROG
24. P2.0
25. P2.1
26. P2.2
27. P2.3
28. P2.4
29. P2.5
30. P2.6
31. P2.7
32. PSEN
33. P3.0
34. P3.1
35. P3.2
36. P3.3
37. P3.4
38. P3.5
39. P3.6
40. P3.7

Functional Features

The AT89C51CC03CA-RDTUM microcontroller offers the following functional features:

• High-performance 8-bit processing capability
• Low-power consumption for energy-efficient applications
• Ample program memory space with 64 KB Flash
• Sufficient data memory with 2 KB RAM
• Multiple I/O pins for interfacing with external devices
• Built-in timers/counters for precise timing operations
• Serial communication interfaces (UART, SPI, I2C) for data exchange
• Analog-to-Digital Converter (ADC) for analog signal processing
• Wide operating voltage range for flexibility in power supply
• Extended operating temperature range for diverse environmental conditions

Advantages and Disadvantages

Advantages: - High performance and low power consumption combination - Sufficient program and data memory - Versatile I/O capabilities - On-chip peripherals reduce external component count - Wide operating voltage and temperature range

Disadvantages: - Limited processing power compared to 16 or 32-bit microcontrollers - Limited number of I/O pins for complex applications - Lack of advanced features found in more specialized microcontrollers

Working Principles

The AT89C51CC03CA-RDTUM microcontroller operates based on the Von Neumann architecture. It executes instructions stored in its Flash memory, which is programmable and non-volatile. The processor fetches instructions from memory, decodes them, and performs the necessary operations using its arithmetic logic unit (ALU) and registers.

The microcontroller interacts with external devices through its I/O ports, which can be configured as inputs or outputs. It communicates with other devices using various serial communication protocols such as UART, SPI, or I2C. The built-in timers/counters enable precise timing control, while the analog-to-digital converter allows for the conversion of analog signals into digital values.

Detailed Application Field Plans

The AT89C51