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IC MCU 8BIT 32KB FLASH 44VQFP
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FabricanteTecnologia Microchip
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Peça do Fabricante #AT89C51RC2-RLTUM
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Ficha Técnica AT89C51RC2-RLTUM DataSheet
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Especificações
| Atributo | Valor |
| Series | 89C |
| Part Status | Obsolete |
| Base Product Number | AT89C51 |
| Digi Key Programmable | Verified |
| Core Processor | 80C51 |
| Core Size | 8-Bit |
| Speed | 60MHz |
| Connectivity | SPI, UART/USART |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 1.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Oscillator Type | External |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-VQFP (10x10) |
| Package / Case | 44-LQFP |
| Packaging | Tray |
Visão Geral
Description
This microcontroller supports multiple operating modes, including a full-duplex UART for serial communication, and has built-in timers and counters for timing operations. The AT89C51RC2-RLTUM also includes an on-chip oscillator and clock circuitry, making it easy to integrate into electronic systems.
Its compatibility with existing 8051 software and hardware facilitates easy migration and development. Common applications include industrial automation, consumer electronics, and automotive systems. Overall, the AT89C51RC2-RLTUM is a versatile choice for developers seeking an efficient and reliable microcontroller solution.
Equivalent
Features
1. Memory: 512 bytes of RAM, 64 KB of Flash memory for program storage.
2. I/O Ports: 32 programmable I/O lines, divided into four 8-bit ports.
3. Speed: Operates at a maximum frequency of 33 MHz.
4. Timers: Two 16-bit timers/counters for timing operations.
5. Serial Communication: Full-duplex UART for asynchronous serial communication.
6. Interrupts: Five interrupt sources with two external interrupts.
7. Analog Features: On-chip oscillator and clock circuitry; offers external crystal oscillator support.
8. Low Power: Multiple power-saving modes to reduce energy consumption.
9. Compatibility: Compatible with standard 8051 instruction set, allowing easy migration from other 8051-based designs.
This microcontroller is suitable for a variety of embedded applications, including industrial control, automotive, and consumer electronics.
Pinout
Pin functions include:
- VCC (Power Supply): Pin 40; connects to +5V power.
- GND (Ground): Pin 20; connects to ground.
- Port 0 (P0.0 to P0.7): Pins 32-39; used for general I/O and can serve as multiplexed address/data bus.
- Port 1 (P1.0 to P1.7): Pins 1-8; used for general I/O.
- Port 2 (P2.0 to P2.7): Pins 21-28; used for general I/O and can serve as high-order address bus.
- Port 3 (P3.0 to P3.7): Pins 10-17; used for general I/O and special functions like interrupts, timer inputs, and serial communication.
- Reset (RST): Pin 9; used to reset the microcontroller.
- Crystal Oscillator Pins (XTAL1 and XTAL2): Pins 18 and 19; connects to the external oscillator.
This microcontroller is well-suited for embedded applications, offering flexibility and ease of use.
Manufacturer
Application
1. Embedded Systems: Used in consumer electronics, appliances, and automation systems.
2. Industrial Control: Employed in process control, robotics, and machine automation.
3. Data Acquisition: Suitable for sensors and monitoring systems.
4. Communication Systems: Utilized in simple data transmission and interface applications.
5. Automotive Electronics: Implemented in dashboard displays and control systems.
6. Educational Tools: Common in academic projects and prototyping.
Its ease of programming and integration makes it ideal for both hobbyist and professional applications.
Package
Frequently Asked Questions
Q: What is the core architecture and maximum clock speed of this MCU?
A: It features an 8-bit 80C51 core with a maximum operating speed of 60MHz, suitable for high-performance embedded control.
Q: How much program and data memory does the AT89C51RC2-RLTUM offer?
A: It includes 32KB of on-chip Flash program memory and 1.25K x 8 bytes of RAM for data storage.
Q: What communication interfaces are available on this device?
A: It provides SPI and UART/USART connectivity for serial data exchange with peripheral devices.
Q: What is the supported input voltage range for reliable operation?
A: The supply voltage range is 2.7V to 5.5V, enabling flexible system power design.
Q: Is this component suitable for harsh industrial environments?
A: Yes, its operating temperature range of -40°C to +85°C ensures reliable performance in extreme conditions.
Q: Does the MCU include built-in peripherals for motor control?
A: Yes, it features a Programmable Counter Array (PCA) and PWM outputs for precise timing and motor control.
Q: What package type is this device available in?
A: It comes in a 44-pin LQFP package (10x10mm), ideal for surface-mount assembly and space-constrained designs.
