P89V51RD2 - 40MHz Microcontroller 8-bit [Original]

P89V51RD2 - 40MHz 8-bit 80C51 Microcontroller

The P89V51RD2 is an 80C51 microcontroller. It operates at a maximum frequency of 40 MHz. The device integrates 64 KB of on-chip flash memory and 1024 bytes of data RAM. An X2 mode is available, enabling 6-clock machine cycles for increased throughput or reduced EMI. Flash memory supports both high-speed parallel programming and In-System Programming (ISP). In-Application Programming (IAP) is also supported. The architecture is suitable for embedded applications requiring robust processing and flexible memory management. It includes versatile features for industrial control and robotics.

Specifications:

• CPU Core: 80C51
• Max Frequency: 40 MHz
• Operating Voltage: 5V
• Flash Memory: 64 KB
• Data RAM: 1024 B
• Machine Cycle Mode: 12-clock (default) / 6-clock (X2)
• I/O Ports: Four 8-bit
• Timers/Counters: Three 16-bit
• Communication Interfaces: SPI, Enhanced UART
• Programming Support: ISP, IAP, Parallel
• Watchdog Timer: Programmable
• Interrupt Sources: 8 (with 4 priority levels)

Key features and benefits:

• 80C51 CPU core with 5V operating voltage (0-40MHz)
• 64 KB on-chip Flash memory with ISP and IAP support
• Selectable 12-clock (default) or 6-clock (X2 mode) operation
• Integrated SPI and enhanced UART communication interfaces
• PCA with PWM and capture/compare functions
• Four 8-bit I/O ports, including three high-current Port 1 pins
• Three 16-bit timers/counters and a programmable watchdog timer
• Eight interrupt sources with four priority levels

Applications:

• Industrial control systems and automation
• Consumer electronics and smart devices
• Embedded systems requiring high throughput
• Data acquisition and sensor interfaces
• Robotics and motor control

Frequently Asked Questions:

Q: What is the operating frequency range of the P89V51RD2?
A: The P89V51RD2 operates at a maximum frequency of 40 MHz.

Q: What is the function of X2 mode in the P89V51RD2?
A: X2 mode allows for 6-clock machine cycles, which can double throughput or reduce electromagnetic interference (EMI) by halving the clock frequency.

Q: Does the P89V51RD2 support in-system programming?
A: Yes, the P89V51RD2 supports In-System Programming (ISP) and In-Application Programming (IAP) for its 64 KB on-chip Flash memory.

Package Includes:

*Image shown is a representation only.

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