KB11-A Central Processor Unit Engineering Drawings

This document is a technical reference guide containing the complete set of engineering drawings for the KB11-A 16-bit processor, a key component of the PDP-11 family. It includes:

• Print Set Index: A detailed directory of all modules, data paths, and control logic associated with the KB11-A.
• Block and Flow Diagrams: High-level architectural overviews and microprogram flow charts for instruction fetching and processing.
• Module Utilization: Detailed schematics and logic diagrams for the various boards and components, including general registers, ALU control, data paths (DAP), IR decode, memory control, and bus interfaces.
• Timing Generators: Technical details on the timing logic required for processor synchronization.
• Data Paths (DAPA/DAPB/DAPC/DAPD): Detailed schematics of the internal data path registers and multiplexers.