規格
| 屬性 | 價值 |
| Package / Case | Bulk |
| Series | 89C |
| Part Status | Active |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | UART/USART |
| Peripherals | Brown-out Detect/Reset, LED, POR |
| Number of I/O | 15 |
| Program Memory Size | 4KB (4K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 128 x 8 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 6V |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The AT89C4051-24SU is an 8-bit microcontroller from Atmel's 8051 family, optimized for low-power applications. It features a compact form factor with a 20-pin package, making it suitable for space-constrained designs. The microcontroller includes 4 KB of Flash memory for program storage and 128 bytes of RAM for data handling.
Operating at a frequency of up to 24 MHz, the AT89C4051-24SU provides sufficient processing speeds for various embedded applications. It supports a wide voltage range, typically from 4.0V to 5.5V, allowing for flexibility in power supply design.
The device includes an array of peripherals: 15 I/O lines for interfacing with external components, two 16-bit timer/counters for precise timing operations, a full-duplex UART for serial communication, and an on-chip oscillator for clock generation.
The AT89C4051 is well-suited for applications like consumer electronics, automotive systems, and industrial control, where cost-effectiveness and reliability are essential. Its compatibility with the industry-standard MCS-51 instruction set ensures ease of programming and integration into existing systems.
Operating at a frequency of up to 24 MHz, the AT89C4051-24SU provides sufficient processing speeds for various embedded applications. It supports a wide voltage range, typically from 4.0V to 5.5V, allowing for flexibility in power supply design.
The device includes an array of peripherals: 15 I/O lines for interfacing with external components, two 16-bit timer/counters for precise timing operations, a full-duplex UART for serial communication, and an on-chip oscillator for clock generation.
The AT89C4051 is well-suited for applications like consumer electronics, automotive systems, and industrial control, where cost-effectiveness and reliability are essential. Its compatibility with the industry-standard MCS-51 instruction set ensures ease of programming and integration into existing systems.
Equivalent
The AT89C4051-24SU is an 8-bit microcontroller from Microchip's 8051 family. Equivalent products include:
1. NXP P89V51RD2
2. Silicon Labs C8051F320
3. Infineon SAB80C517
4. STMicroelectronics STC89C52
5. Holtek HT48R50A
These alternatives offer similar microcontroller functionality and may have varying specifications. Always check datasheets for compatibility with your specific application.
1. NXP P89V51RD2
2. Silicon Labs C8051F320
3. Infineon SAB80C517
4. STMicroelectronics STC89C52
5. Holtek HT48R50A
These alternatives offer similar microcontroller functionality and may have varying specifications. Always check datasheets for compatibility with your specific application.
Features
The AT89C4051-24SU is a compact microcontroller from Atmel's 8051 family, designed for embedded applications. Key features include:
1. Architecture: Based on the 8-bit 8051 core, it ensures compatibility with other 8051 devices.
2. Memory: It offers 4KB of Flash memory for program storage, 128 bytes of RAM, and 64 bytes of EEPROM.
3. Clock Speed: Operates at a maximum clock frequency of 24 MHz.
4. I/O Ports: Provides 15 programmable I/O lines, suitable for interfacing with external devices.
5. Timers: Includes two 16-bit timer/counters, enhancing its capability for timing operations.
6. UART: Features a full-duplex UART for serial communication.
7. Power: Supports low-power idle and power-down modes, aiding in energy-efficient designs.
8. Package: Available in a 20-pin SOIC package, providing a space-efficient solution.
9. Operating Voltage: Typically functions within a voltage range of 4.0V to 6.0V.
10. Interrupts: Supports five vector interrupts, facilitating responsive system design.
These features make the AT89C4051-24SU suitable for compact, cost-effective, and high-performance embedded systems.
1. Architecture: Based on the 8-bit 8051 core, it ensures compatibility with other 8051 devices.
2. Memory: It offers 4KB of Flash memory for program storage, 128 bytes of RAM, and 64 bytes of EEPROM.
3. Clock Speed: Operates at a maximum clock frequency of 24 MHz.
4. I/O Ports: Provides 15 programmable I/O lines, suitable for interfacing with external devices.
5. Timers: Includes two 16-bit timer/counters, enhancing its capability for timing operations.
6. UART: Features a full-duplex UART for serial communication.
7. Power: Supports low-power idle and power-down modes, aiding in energy-efficient designs.
8. Package: Available in a 20-pin SOIC package, providing a space-efficient solution.
9. Operating Voltage: Typically functions within a voltage range of 4.0V to 6.0V.
10. Interrupts: Supports five vector interrupts, facilitating responsive system design.
These features make the AT89C4051-24SU suitable for compact, cost-effective, and high-performance embedded systems.
Pinout
The AT89C4051-24SU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) with 20 pins. This device is part of the 8051 microcontroller family, designed for embedded control applications. The pinout is as follows:
1. VCC (Pin 20): Power supply.
2. GND (Pin 10): Ground.
3. Port 1 (Pins 1-8): An 8-bit bidirectional I/O port. If configured, it can also function as a control port for the Timer/Counter, serial communication, or external interrupts.
4. Port 3 (Pins 11-18): A second 8-bit bidirectional I/O port, which also provides special functions such as serial communication (RXD, TXD), external interrupts (INT0, INT1), and control signals for timers and counters (T0, T1).
5. RST (Pin 9): Reset input, which initializes the microcontroller when activated.
6. XTAL1 (Pin 19) and XTAL2 (Pin 20): Connections for the external oscillator or crystal to provide the clock frequency.
This microcontroller is commonly used in embedded systems where a full-featured, low-cost, and versatile 8-bit processor is needed.
1. VCC (Pin 20): Power supply.
2. GND (Pin 10): Ground.
3. Port 1 (Pins 1-8): An 8-bit bidirectional I/O port. If configured, it can also function as a control port for the Timer/Counter, serial communication, or external interrupts.
4. Port 3 (Pins 11-18): A second 8-bit bidirectional I/O port, which also provides special functions such as serial communication (RXD, TXD), external interrupts (INT0, INT1), and control signals for timers and counters (T0, T1).
5. RST (Pin 9): Reset input, which initializes the microcontroller when activated.
6. XTAL1 (Pin 19) and XTAL2 (Pin 20): Connections for the external oscillator or crystal to provide the clock frequency.
This microcontroller is commonly used in embedded systems where a full-featured, low-cost, and versatile 8-bit processor is needed.
Manufacturer
The AT89C4051-24SU is manufactured by Microchip Technology Inc. This company is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Headquartered in Chandler, Arizona, Microchip Technology aims to offer comprehensive semiconductor solutions for various industries and applications. They have a reputation for integrating numerous functionalities into their products, which include microcontrollers, memory, radio frequency devices, and power management solutions, among others. Their product offerings are widespread across automotive, industrial, consumer, aerospace, and communications markets, allowing them to maintain a diverse and extensive customer base.
Application
The AT89C4051-24SU is an 8-bit microcontroller suitable for a variety of embedded applications. Key application areas include:
1. Consumer Electronics: Used in small appliances and gadgets for control and interfacing.
2. Industrial Automation: Suitable for controlling machinery and processes.
3. Automotive: Employed in non-critical automotive control systems.
4. Home Automation: Powers smart home devices and systems.
5. Medical Devices: Used in simpler diagnostic and monitoring equipment.
6. Telecommunications: Assists in control and data processing tasks.
7. Toys and Gaming: Provides control in electronic toys and simple gaming devices.
Its low power consumption and flexibility make it ideal for cost-sensitive and small-scale applications.
1. Consumer Electronics: Used in small appliances and gadgets for control and interfacing.
2. Industrial Automation: Suitable for controlling machinery and processes.
3. Automotive: Employed in non-critical automotive control systems.
4. Home Automation: Powers smart home devices and systems.
5. Medical Devices: Used in simpler diagnostic and monitoring equipment.
6. Telecommunications: Assists in control and data processing tasks.
7. Toys and Gaming: Provides control in electronic toys and simple gaming devices.
Its low power consumption and flexibility make it ideal for cost-sensitive and small-scale applications.
Package
The AT89C4051-24SU is a microcontroller from Microchip Technology, packaged in an 8-lead SOIC (Small Outline Integrated Circuit) form. This surface-mount package type is compact, facilitating the integration of the microcontroller into various electronic devices.
