87L20CJ Technical Summary

Overview

The COP87L20CJ is an advanced 8-bit microcontroller featuring a memory-mapped architecture, designed for high-performance embedded applications. It is part of the COP87Lxx family, which includes the COP87L22CJ variant. This microcontroller is optimized for low-power operation while delivering efficient processing capabilities, making it suitable for a wide range of industrial, automotive, and consumer applications. The device operates within a voltage range of 2.7V to 5.5V, ensuring compatibility with various power supply configurations.

Features

The COP87L20CJ microcontroller offers a comprehensive set of features tailored for embedded system design:

• 8-Bit Memory-Mapped Architecture: Efficient memory utilization with a streamlined instruction set.
• MICROWIRE/PLUS™ Serial I/O: Supports high-speed serial communication for peripheral interfacing.
• 16-Bit Timer/Counter with Capture Register: Enables precise timing and event capture for real-time applications.
• Multi-Sourced Interrupt: Flexible interrupt handling for responsive system performance.
• On-Chip Comparator: Integrated analog comparator for signal monitoring and control.
• Brown-Out Protection: Safeguards against voltage drops, ensuring reliable operation.
• Multi-Input Wakeup: Supports wakeup from low-power modes via multiple input sources.
• Software-Configurable I/O Pins: Each I/O pin can be customized to suit specific application requirements.
• Wide Operating Voltage Range (2.7V–5.5V): Compatible with both low-voltage and standard voltage systems.
• High Throughput: Achieves efficient execution with a regular instruction set (1 ms per instruction).

Applications

The COP87L20CJ is designed for versatility, making it ideal for a broad spectrum of applications, including:

• Industrial Control Systems: Automation, sensor interfacing, and motor control.
• Automotive Electronics: Engine management, dashboard controls, and safety systems.
• Consumer Electronics: Remote controls, smart home devices, and wearable technology.
• Medical Devices: Portable diagnostic equipment and patient monitoring systems.
• Embedded Systems: IoT edge devices, data loggers, and communication modules.

Electrical Characteristics

The following table summarizes the key electrical specifications of the COP87L20CJ microcontroller:

Absolute Maximum Ratings

• Supply Voltage (V_DD): -0.3V to +6.0V
• Input Voltage (V_IN): -0.3V to V_DD + 0.3V
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

Recommended Operating Conditions

• Supply Voltage (V_DD): 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Clock Frequency: Up to 10 MHz (dependent on V_DD)

Power Consumption

• Active Mode (5V, 10 MHz): 5 mA (typical)
• Standby Mode (3V): 10 µA (typical)

Package Information

The COP87L20CJ is available in a compact and industry-standard package, ensuring ease of integration into various PCB designs.

Package Type

• 20-Pin Plastic Dual In-Line Package (PDIP): Suitable for through-hole mounting.
• 20-Pin Small Outline Integrated Circuit (SOIC): Ideal for surface-mount applications.

Pin Configuration

The pinout of the COP87L20CJ is designed for optimal functionality and ease of use. Below is a brief description of key pins:

• V_DD (Pin 20): Power supply input.
• V_SS (Pin 10): Ground reference.
• RESET (Pin 1): Active-low reset input.
• I/O Ports (Pins 2–9, 11–19): Configurable as inputs or outputs with software control.
• Serial I/O (Pins 12–14): Dedicated to MICROWIRE/PLUS™ communication.

Conclusion

The COP87L20CJ microcontroller is a robust and flexible solution for embedded systems requiring low-power operation, high performance, and versatile peripheral integration. Its wide operating voltage range, comprehensive feature set, and compact packaging make it an excellent choice for diverse applications across multiple industries. Whether used in industrial automation, automotive systems, or consumer electronics, the COP87L20CJ delivers reliable and efficient performance.