AT89S51-24JI

Product Overview

Category

AT89S51-24JI 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.
• Features 4KB of Flash memory for program storage.
• Offers 128 bytes of RAM for data storage.
• Supports a wide range of input/output (I/O) options.
• Operates at a clock frequency of up to 24 MHz.
• Provides 32 programmable I/O lines.
• Includes on-chip timers/counters for precise timing operations.
• Supports serial communication interfaces such as UART and SPI.

Package

AT89S51-24JI is available in a 40-pin plastic dual in-line package (PDIP).

Essence

The essence of AT89S51-24JI lies in its ability to provide a cost-effective solution for controlling and monitoring various electronic devices and systems.

Packaging/Quantity

AT89S51-24JI is typically packaged in reels or tubes, with each containing a specific quantity of microcontrollers. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Microcontroller Type: 8-bit
• Flash Memory: 4KB
• RAM: 128 bytes
• Operating Voltage: 2.7V to 5.5V
• Clock Frequency: Up to 24 MHz
• I/O Lines: 32
• Communication Interfaces: UART, SPI
• Timers/Counters: Yes

Detailed Pin Configuration

The pin configuration of AT89S51-24JI is as follows:

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

Functional Features

AT89S51-24JI offers the following functional features:

1. Flash Memory: The microcontroller includes 4KB of Flash memory for storing program code.
2. RAM: It provides 128 bytes of Random Access Memory (RAM) for temporary data storage.
3. I/O Lines: With 32 programmable I/O lines, it allows interfacing with various external devices and sensors.