The CS82C54-50187J is a programmable interval timer (PIT) manufactured by Intersil Corporation. It is a versatile component used for generating accurate timing signals and controlling various events in microprocessor-based systems. This timer offers three independent 16-bit counters that can be configured in different modes to suit a wide range of applications.

Applications

• Real-time clock (RTC) implementations.
• Frequency generation.
• Event counting.
• Motor speed control.
• Peripheral timing control.

Features

• Three independent 16-bit counters.
• Six programmable operating modes.
• Binary or BCD counting.
• Read-back capability.
• Compatible with Intel microprocessors.

Benefits

• Precise timing control: Allows for accurate generation of timing signals.
• Versatile functionality: Can be configured for a variety of timing applications.
• Simplified system design: Reduces the need for external timing components.
• Easy integration: Compatible with standard microprocessor interfaces.

Additional Details

The CS82C54-50187J operates from a 5V power supply and is typically packaged in a ceramic DIP (dual in-line package). It communicates with the microprocessor through a standard parallel interface. The operating modes include interrupt on terminal count, programmable one-shot, rate generator, square wave generator, software-triggered strobe, and hardware-triggered strobe. Proper configuration and initialization are necessary to achieve the desired timing behavior.