Overview
The P89V51RD2FA,512 is an 8-bit microcontroller from NXP USA Inc., based on the industry-standard 8051 architecture. This microcontroller is designed to offer high performance, low power consumption, and a robust set of features, making it suitable for a wide range of embedded applications. It features a 64KB Flash program memory, 1KB of data RAM, and operates at a clock speed of up to 40MHz. The device is available in a 44-pin PLCC (Plastic Leaded Chip Carrier) package.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Type | 8-bit 80C51 |
| Flash Program Memory | 64KB |
| Data RAM | 1KB |
| Operating Voltage | 5V |
| Clock Speed | Up to 40MHz |
| Package Type | 44-pin PLCC |
| Temperature Range | -40°C to +85°C |
| Interrupt Sources | Eight interrupt sources with four priority levels |
| Timers/Counters | Three 16-bit timers/counters |
| Watchdog Timer | Programmable watchdog timer |
| I/O Ports | Four 8-bit I/O ports with three high-current port 1 pins (16 mA each) |
Key Features
- 80C51 CPU Core: Compatible with the industry-standard 8051 architecture.
- Flash Memory: 64KB of on-chip flash user code memory with In-System Programming (ISP) and In-Application Programming (IAP) capabilities.
- Low Power Modes: Power-down mode with external interrupt wake-up and idle mode for reduced power consumption.
- Peripheral Set: Includes SPI, enhanced UART, PCA with PWM and capture/compare functions, and a programmable watchdog timer.
- Clock Mode Selection: Supports both 12-clock (default) and 6-clock mode selection via software or ISP, allowing for twice the throughput at the same clock frequency or reduced EMI by halving the clock frequency.
- Interrupts and Timers: Eight interrupt sources with four priority levels and three 16-bit timers/counters.
- Brownout Detection and Reset: Ensures reliable operation by detecting and resetting the device during brownout conditions.
- Power-on Reset (POR): Ensures stable startup of the device.
Applications
- Industrial Automation and Control Systems: Suitable for various industrial control applications due to its robust feature set and reliability.
- Home Appliances and Consumer Electronics: Used in a variety of consumer electronics and home appliances requiring embedded control.
- Automotive Electronics: Applicable in automotive systems where reliability and low power consumption are critical.
- Sensors and Instrumentation: Ideal for sensor-based systems and instrumentation due to its comprehensive peripheral set.
Q & A
- What is the P89V51RD2FA,512 microcontroller based on?
The P89V51RD2FA,512 is based on the industry-standard 8051 architecture.
- What is the flash program memory size of the P89V51RD2FA,512?
The flash program memory size is 64KB.
- What is the maximum clock speed of the P89V51RD2FA,512?
The maximum clock speed is up to 40MHz.
- What package types are available for the P89V51RD2FA,512?
The device is available in a 44-pin PLCC package.
- Does the P89V51RD2FA,512 support in-system programming?
- What are the low power modes available in the P89V51RD2FA,512?
The device supports power-down mode with external interrupt wake-up and idle mode.
- What is the temperature range for the P89V51RD2FA,512?
The operating temperature range is -40°C to +85°C.
- Does the P89V51RD2FA,512 have brownout detection and reset?
- What are the key peripherals included in the P89V51RD2FA,512?
The device includes SPI, enhanced UART, PCA with PWM and capture/compare functions, and a programmable watchdog timer.
- Can the clock mode be adjusted in the P89V51RD2FA,512?
