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AT89S52-24AU
+StücklisteIC MCU 8BIT 8KB FLASH 44TQFP
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HerstellerMikrochip-Technologie
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Herstellerteil #AT89S52-24AU
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Datenblatt AT89S52-24AU DataSheet
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Paket TQFP-44
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Auf Lager5160
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tray |
| Series | 89S |
| Part Status | Active |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | UART/USART |
| Peripherals | WDT |
| Number of I/O | 32 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 5.5V |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
The AT89S52-24AU is a microcontroller from Atmel's 8051 family, designed for embedded system applications. It features an 8-bit CPU, compatible with the standard 8051 instruction set, and operates at a maximum frequency of 24 MHz. The device is equipped with 8K bytes of Flash memory, 256 bytes of RAM, and 32 I/O pins, making it suitable for a wide range of control applications.
Key features include three 16-bit timers/counters, a full-duplex UART for serial communication, an on-chip oscillator, and support for external interrupts. The AT89S52-24AU also offers power-saving modes such as Idle and Power-down, allowing for more efficient energy usage in battery-operated devices.
In terms of packaging, the suffix "AU" indicates a lead-free, 44-pin TQFP package. The microcontroller is well-suited for applications requiring reliable performance, cost-effectiveness, and ease of integration. Its compatibility with existing 8051 tools and software makes it a popular choice for both newcomers and experienced developers in the microcontroller community.
Key features include three 16-bit timers/counters, a full-duplex UART for serial communication, an on-chip oscillator, and support for external interrupts. The AT89S52-24AU also offers power-saving modes such as Idle and Power-down, allowing for more efficient energy usage in battery-operated devices.
In terms of packaging, the suffix "AU" indicates a lead-free, 44-pin TQFP package. The microcontroller is well-suited for applications requiring reliable performance, cost-effectiveness, and ease of integration. Its compatibility with existing 8051 tools and software makes it a popular choice for both newcomers and experienced developers in the microcontroller community.
Equivalent
The AT89S52-24AU is an 8-bit microcontroller from the 8051 family by Microchip Technology (formerly Atmel). Equivalent products include the Nuvoton N79E845A, Silicon Labs C8051F300, and STC STC89C52. These alternatives offer similar functionalities, featuring 8-bit CPUs, comparable memory, and I/O capabilities. Be sure to check the specific datasheets for pin compatibility and feature sets to ensure suitability for your application.
Features
The AT89S52-24AU is a low-power, high-performance CMOS 8-bit microcontroller from Atmel's 8051 family. Key features include:
1. CPU: 8-bit based on the 8051 architecture.
2. Flash Memory: 8KB In-System Programmable (ISP) Flash memory with 10,000 write/erase cycles.
3. RAM: 256 bytes of internal RAM.
4. EEPROM: No EEPROM.
5. I/O Ports: 32 programmable I/O lines.
6. Timers: Three 16-bit timer/counters.
7. Serial Communication: Full duplex UART for serial communication.
8. Interrupts: Six interrupt sources.
9. Clock Frequency: Operates at 0-24 MHz.
10. Power: Low power consumption with power-down modes.
11. Watchdog Timer: On-chip Watchdog Timer.
12. Size: 44-lead TQFP package.
13. Operating Voltage: 4.0V to 5.5V.
The AT89S52 is ideal for embedded applications requiring efficient processing, low power, and a relatively small memory footprint, making it suitable for various applications in consumer electronics, automotive, and industrial automation.
1. CPU: 8-bit based on the 8051 architecture.
2. Flash Memory: 8KB In-System Programmable (ISP) Flash memory with 10,000 write/erase cycles.
3. RAM: 256 bytes of internal RAM.
4. EEPROM: No EEPROM.
5. I/O Ports: 32 programmable I/O lines.
6. Timers: Three 16-bit timer/counters.
7. Serial Communication: Full duplex UART for serial communication.
8. Interrupts: Six interrupt sources.
9. Clock Frequency: Operates at 0-24 MHz.
10. Power: Low power consumption with power-down modes.
11. Watchdog Timer: On-chip Watchdog Timer.
12. Size: 44-lead TQFP package.
13. Operating Voltage: 4.0V to 5.5V.
The AT89S52 is ideal for embedded applications requiring efficient processing, low power, and a relatively small memory footprint, making it suitable for various applications in consumer electronics, automotive, and industrial automation.
Pinout
The AT89S52-24AU is a microcontroller from Atmel's 8051 family. It features a 40-pin configuration in a PDIP package, though it can also be found in TQFP and VQFN packages with 44 pins. The primary functions and pin assignments include:
1. Ports: It has four parallel I/O ports (P0, P1, P2, P3), each 8-bits wide, used for general purpose input/output operations. Port 0 also serves as a multiplexed address/data bus for external memory.
2. VCC and GND: It has multiple power supply (VCC) and ground (GND) pins.
3. ALE/PROG: Address Latch Enable, used for external memory interfacing.
4. PSEN: Program Store Enable, used to read external program memory.
5. EA/VPP: External Access Enable, used to enable/disable access to external program memory.
6. RST: Reset input, used to reset the microcontroller.
7. XTAL1 and XTAL2: Used to connect an external oscillator to provide the clock signal for the MCU.
8. Interrupts and Timers: Several pins are dedicated to various interrupt and timer functions.
These functions facilitate a range of applications in embedded systems, offering flexibility for interfacing and control tasks.
1. Ports: It has four parallel I/O ports (P0, P1, P2, P3), each 8-bits wide, used for general purpose input/output operations. Port 0 also serves as a multiplexed address/data bus for external memory.
2. VCC and GND: It has multiple power supply (VCC) and ground (GND) pins.
3. ALE/PROG: Address Latch Enable, used for external memory interfacing.
4. PSEN: Program Store Enable, used to read external program memory.
5. EA/VPP: External Access Enable, used to enable/disable access to external program memory.
6. RST: Reset input, used to reset the microcontroller.
7. XTAL1 and XTAL2: Used to connect an external oscillator to provide the clock signal for the MCU.
8. Interrupts and Timers: Several pins are dedicated to various interrupt and timer functions.
These functions facilitate a range of applications in embedded systems, offering flexibility for interfacing and control tasks.
Manufacturer
The AT89S52-24AU is manufactured by Microchip Technology Inc. Microchip is an American company known for designing and manufacturing microcontrollers, memory, and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in providing innovative embedded control solutions. The company serves various industries, including automotive, industrial, consumer, aerospace, and communications, making it a key player in the semiconductor sector.
Application
The AT89S52-24AU is a microcontroller suitable for a variety of embedded applications. Key application areas include:
1. Consumer Electronics: Used in remote controls, home appliances, and entertainment systems for efficient control and processing.
2. Industrial Automation: Employed in machinery and process control systems due to its robust performance.
3. Automotive Systems: Utilized in dashboard instrumentation and control modules.
4. Communication Devices: Integrated into modems and network equipment for data handling tasks.
5. Medical Instruments: Powers devices like diagnostic equipment for data processing.
6. Educational Tools: Ideal for learning and experimentation in embedded systems courses.
Its versatility and ease of programming make it popular across these fields.
1. Consumer Electronics: Used in remote controls, home appliances, and entertainment systems for efficient control and processing.
2. Industrial Automation: Employed in machinery and process control systems due to its robust performance.
3. Automotive Systems: Utilized in dashboard instrumentation and control modules.
4. Communication Devices: Integrated into modems and network equipment for data handling tasks.
5. Medical Instruments: Powers devices like diagnostic equipment for data processing.
6. Educational Tools: Ideal for learning and experimentation in embedded systems courses.
Its versatility and ease of programming make it popular across these fields.
Package
The AT89S52-24AU is a microcontroller from Atmel's 8051 family, and it comes in a TQFP (Thin Quad Flat Pack) package. Specifically, it is a 44-lead TQFP package. This type of package is surface-mount, providing a compact form factor suitable for various embedded applications.
