Timing Control Unit

This document provides technical information for the Digital Pathways TCU-150 Timing Control Unit, a peripheral designed for PDP-11 computers. It covers the following key areas:

• General Description: Explains that the unit keeps time using battery backup, functions while the computer is off, and is addressed via jumpers.
• Initialization and Interrogation: Details the commands for setting the time and reading the date/time from the unit via the computer.
• Specifications: Includes technical operating parameters, temperature ranges, and power requirements.
• Software Support: Provides sample code and instructions for integrating the TCU-150 with the RSX-11M operating system.
• Warranty: States a 90-day warranty policy for repairs or replacements.