The P89C51RA2BN,112 is a powerful microcontroller from NXP Semiconductors that belongs to their P89C51RB2/RC2/RA2 series. This 8-bit microcontroller is based on the high-performance MCS-51 architecture and is designed to support a wide range of embedded applications that require high-speed operations and flexible I/O options.

Key Features

• CPU: 8-bit microcontroller with a fully static operation.
• Frequency: Up to 40 MHz operating frequency, providing high processing power for complex tasks.
• Memory: 64 KB of on-chip flash memory with ISP (In-System Programming) and IAP (In-Application Programming) capabilities, allowing for easy firmware updates and application modifications.
• RAM: 1024 bytes of data RAM for variable storage and efficient data manipulation.
• Timers: Three 16-bit timers/counters, versatile for handling timing-related tasks.
• Serial Communication: Full-duplex enhanced UART for serial communication, along with support for SPI (Serial Peripheral Interface) and I²C-bus protocol for multi-device communication.
• I/O Ports: 32 general purpose I/O pins for interfacing with external devices and peripherals.
• Interrupts: A robust interrupt system with a high number of interrupt sources, including two external interrupts, ensuring responsive performance for real-time applications.
• Power-saving Modes: Equipped with idle and power-down modes to conserve energy for battery-powered applications.
• Operating Voltage: 2.7V to 5.5V supply voltage range, catering to various power requirements and ensuring compatibility with both 3.3V and 5V systems.

Applications

The P89C51RA2BN,112 microcontroller is ideal for a variety of applications, including but not limited to industrial control systems, home appliances, automotive electronics, and communication systems. Its robust feature set and programmability make it a versatile choice for designers looking to create sophisticated and reliable embedded solutions.

Ordering Information

The product is available in a 44-pin PLCC (Plastic Leaded Chip Carrier) package, ensuring ease of integration into PCB designs. For ordering, the full part number is P89C51RA2BN,112, which is essential for ensuring the correct product specification and packaging.