The MSM80C85AHRS-7 is an 8-bit CMOS microprocessor manufactured by OKI/Metcal. It is a low-power version of the Intel 8085A microprocessor and is designed for use in a wide range of embedded applications. The 'HRS-7' likely designates specific features, package type, and speed grade.

Applications

• Industrial Control Systems: Used in programmable logic controllers (PLCs) and other industrial automation equipment.
• Instrumentation: Employed in test and measurement equipment, such as digital multimeters and data loggers.
• Medical Devices: Found in medical instruments and patient monitoring systems.
• Consumer Electronics: Utilized in various consumer products, such as calculators and toys.
• Embedded Systems: Used in a wide range of embedded applications requiring low power consumption.

Features

• 8-bit Architecture: Provides a cost-effective solution for a wide range of applications.
• CMOS Technology: Offers low power consumption for battery-powered applications.
• Multiplexed Address and Data Bus: Reduces pin count for simplified board layout.
• On-Chip Clock Generator: Simplifies system design by eliminating the need for an external clock.
• Interrupt Handling: Supports multiple interrupt sources with programmable priority levels.

Benefits

• Low Power Consumption: Extends battery life in portable applications.
• Cost-Effective Solution: Provides a low-cost solution for embedded systems.
• Wide Availability: Readily available from various distributors.
• Mature Software Support: Benefits from a well-established software ecosystem.
• Reliable Performance: Offers robust and reliable performance in various operating conditions.

The MSM80C85AHRS-7 is designed to be compatible with the Intel 8085A instruction set, allowing for easy migration of existing software. It includes on-chip RAM and ROM, providing additional flexibility in system design. The processor also features a serial interface for communication with peripheral devices. Power consumption is typically very low, making it suitable for battery-powered applications. The device is typically packaged in a DIP or surface-mount package for easy integration into PCBs. Development tools, including assemblers, debuggers, and emulators, are readily available to support software development for this processor.