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AT89C51-24PC
+NomenclatureIC MCU 8BIT 4KB FLASH 40DIP
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FabricantTechnologie de micropuce
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Pièce fabricant #AT89C51-24PC
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Package PDIP-40
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En stock4967
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| Series | 89C |
| ProductStatus | Obsolete |
| CoreProcessor | 80C51 |
| CoreSize | 8-Bit |
| Speed | 24MHz |
| Connectivity | UART/USART |
| NumberofI/O | 32 |
| ProgramMemorySize | 4KB (4K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 128 x 8 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 6V |
| OscillatorType | Internal |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Through Hole |
| Package/Case | 40-DIP (0.600, 15.24mm) |
Présentation
Description
Key peripherals include two 16-bit timers/counters, a full duplex serial communication interface, and five interrupt sources to support robust control applications. It also supports a variety of programming modes and has an on-chip oscillator for clock generation. Ideal for applications requiring precise timing and control, the AT89C51-24PC is commonly used in consumer electronics, automotive systems, and industrial automation. It maintains compatibility with the MCS-51 instruction set, ensuring ease of programming and integration into existing 8051-based systems.
Equivalent
1. NXP's P89V51RD2
2. Silicon Labs' C8051F020
3. STMicroelectronics' STC89C52RC
4. Microchip's PIC16F877A (alternative architecture)
5. Texas Instruments' MSP430 series (alternative architecture)
These alternatives may vary in memory, speed, or features, so it's important to check the specifications to ensure compatibility with your application.
Features
1. 8-bit CPU: Classic 8051 architecture.
2. Flash Memory: 4 KB of In-System Programmable (ISP) Flash memory.
3. RAM: 128 bytes of on-chip RAM.
4. I/O Ports: Four 8-bit parallel I/O ports.
5. Timers: Two 16-bit timers/counters for time-based operations.
6. UART: Full-duplex serial communication through a UART interface.
7. Clock Speed: Operates at up to 24 MHz.
8. Interrupts: Five interrupt sources with two priority levels.
9. Low-Power Operation: Idle and Power-down modes to reduce power consumption.
10. Pin Count: 40-pin dual in-line package (DIP).
11. Compatibility: Pin and instruction-set compatible with standard 8051 devices.
These features make the AT89C51-24PC suitable for a variety of embedded applications, providing a balance of performance, power efficiency, and cost-effectiveness.
Pinout
- I/O Ports: It has four parallel I/O ports (P0, P1, P2, P3), each with 8 bits, totaling 32 I/O pins.
- Power Supply: VCC (Pin 40) for power and GND (Pin 20) for ground.
- Oscillator Inputs: XTAL1 (Pin 19) and XTAL2 (Pin 18) for the oscillator circuit to provide the clock signal.
- Reset: RST (Pin 9) to reset the microcontroller.
- Control Pins: EA (Pin 31) for external access, ALE/PROG (Pin 30) for address latch enable, and PSEN (Pin 29) for program store enable.
- Serial Communication: TXD and RXD for serial data transmission and reception are part of Port 3.
These pins allow the microcontroller to perform a wide range of functions, making it suitable for embedded applications.
Manufacturer
Application
1. Consumer Electronics: Used in devices like remote controls, washing machines, and microwave ovens for control tasks.
2. Industrial Automation: Employed in process control systems, motor controls, and data acquisition systems.
3. Automotive: Used in dashboard instrumentation and engine control systems.
4. Communication Systems: Utilized in modems and networking equipment.
5. Home Automation: Powers smart home devices and security systems.
6. Educational Tools: Often used in academic projects and microcontroller training kits due to its simplicity and ease of use.
These versatile applications leverage the microcontroller's capabilities in controlling, processing, and interfacing tasks.