NXP USA Inc. P87C51RA2BA,512

The P87C51RA2BA,512 is a high-performance 8-bit microcontroller from NXP USA Inc., built on the proven 8051 architecture. This versatile MCU operates at speeds up to 33MHz and features 8KB of OTP (One-Time Programmable) program memory along with 512 bytes of RAM, making it ideal for embedded control applications requiring reliable, cost-effective processing power.

Key Features:

• 8051 core processor with 8-bit architecture for efficient embedded control
• 33MHz maximum operating frequency for responsive real-time performance
• 8KB OTP program memory (8K x 8) for permanent code storage
• 512 x 8 RAM for data processing and temporary storage
• 32 programmable I/O pins for flexible peripheral interfacing
• Integrated UART/USART and EBI/EMI connectivity options
• Built-in peripherals: Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT)
• Wide operating voltage range: 2.7V to 5.5V for versatile power supply compatibility
• Internal oscillator for simplified system design
• Operating temperature range: 0°C to 70°C (TA)
• Surface mount 44-PLCC (16.59x16.59mm) package for automated assembly

Applications: Industrial automation, motor control, sensor interfaces, data acquisition systems, consumer electronics, and general-purpose embedded control applications requiring proven 8051 architecture reliability.

Technical Specifications:

Performance Advantages:

The P87C51RA2BA,512 delivers exceptional value for embedded applications requiring proven 8051 compatibility. With its 33MHz clock speed, this microcontroller provides ample processing power for real-time control tasks while maintaining low power consumption. The OTP memory architecture ensures code security and prevents unauthorized modifications, making it ideal for production environments where firmware protection is critical.

Design Flexibility:

Engineers benefit from the comprehensive peripheral set including UART/USART for serial communication, PWM for motor control and LED dimming applications, and an integrated watchdog timer for system reliability. The 32 I/O pins provide extensive connectivity options for sensors, actuators, displays, and communication interfaces. The wide voltage range (2.7V-5.5V) enables direct interfacing with both 3.3V and 5V logic systems without level shifters.

Why Choose HQICKEY?

At HQICKEY, we specialize in providing authentic, high-quality semiconductor components with guaranteed lifecycle support. Our extensive inventory of microcontrollers ensures you have access to the components you need for your embedded systems projects, backed by our commitment to quality and reliability.

Technical Resources & Support:

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• P87C51RA2BA,512.pdf