Canon 161 Manual

Canon 161CalculatorContentsSection PageTitle & Contents (this page) 1Notes & Signal Names 2Block Diagram 3Modules - Gates & Display 4Modules - Flip-Flops 5Timing 6Keyboard 7Control State Machine 8Flags F–, FS, FX, F÷, FO 9Flags FG, FH, FZ, FCO, FCU 10FM Flag & Shift Pulse Generators 11Counter Enable Flags FA, FB, FD, FP 12A & B Counters (AC & BC) 13Point Counter (PC) 14Digit Counter (DC) 15Arithmetic & ACC Register 16IR Register 17ME Register & Zero Gates 18Power Supply 19Timing Diagram 20Connectors Nbb1p & Nbb2p 21Connectors Nbb3p & Nbb4p 22Board Layout - 30::33 23Board Layout - 34::37 24Board Layout - 38::40 25Controller/Monitor Unit (CMU) CMU.1CMU Operation CMU.2Canon 161 CalculatorSection: Title & ContentsPage: 1 Rendition: 2022 Feb 6This schematic has been derivedthrough the reverse engineeringof a Canon 161 calculator.This is not the manufacter’sschematic, nor based on themanufacturer’s schematic.Prepared by bhilpert.