The N87C54 is a microcontroller manufactured by Intel. It belongs to the MCS-51 family of microcontrollers, widely known for their robust architecture and versatility in embedded systems. The N87C54 is an EPROM-based version, allowing for programming and reprogramming, making it suitable for development and prototyping.
Applications:
- Embedded Control Systems: Used in a wide range of embedded systems for controlling various devices and processes.
- Industrial Automation: Applied in industrial automation equipment for machine control, process monitoring, and data acquisition.
- Robotics: Integrated into robotic systems for motor control, sensor data processing, and overall system management.
- Consumer Electronics: Employed in consumer electronic devices like remote controls, appliances, and toys.
- Automotive Electronics: Used in automotive systems for engine control, dashboard displays, and other vehicle functions.
Features:
- 8051 Core: Based on the industry-standard 8051 microcontroller core.
- 8KB EPROM: Includes 8KB of erasable programmable read-only memory (EPROM) for program storage.
- 256 Bytes of RAM: Features 256 bytes of on-chip random-access memory (RAM) for data storage.
- 32 I/O Lines: Provides 32 programmable input/output (I/O) lines for interfacing with external devices.
- Two 16-Bit Timers/Counters: Includes two 16-bit timers/counters for timing and counting applications.
Benefits:
- Versatile Architecture: The 8051 core offers a flexible and well-understood architecture suitable for a wide range of applications.
- Reprogrammability: The EPROM allows for easy reprogramming, making it ideal for development and prototyping.
- Integrated Peripherals: The on-chip peripherals, such as timers/counters and I/O lines, reduce the need for external components.
- Compact Solution: Integrates all essential microcontroller functions into a single chip, simplifying system design.
- Wide Availability: The 8051 family is widely available and supported, with a wealth of resources and development tools.
Additional Details:
The N87C54 operates on a 5V power supply and typically comes in a 40-pin DIP package. The instruction set is well-documented and supported by numerous development tools, including assemblers, compilers, and debuggers. The N87C54's EPROM can be erased using ultraviolet light and reprogrammed multiple times. The internal RAM is used for storing variables, stack data, and temporary data. The I/O lines can be individually configured as inputs or outputs, allowing for flexible interfacing with sensors, actuators, and other external devices. Interrupt handling is a key feature of the 8051 architecture, allowing the microcontroller to respond quickly to external events. It is important to consult the datasheet for detailed information on the device's electrical characteristics, timing specifications, and pinout configuration. The N87C54 remains a popular choice for many embedded applications due to its versatility, ease of use, and wide availability.
