IBM A22-6900-1 DataAcquisitionFeatures free download

File name A22-6900-1_DataAcquisitionFeatures.pdf

File No. S360-13 Form A22-6900-1 Systems Reference Library Data Acquisition Special Features for the IBM System/360 Model 44 trol, and interface of three special features: Direct Word Direct Data Channel Priority Interrupt These features are particularly suitable for high-speed data acquisition and relatively complex control applications in the scientific fields. Additional information can be found in IBM System/360 Model 44 Functional Characteristics, Form A22-6875, and IBM System/ 360 Principles of Operation, Form A22-6821. SECOND EDITIOl' This is a major revision of, and obsoletes, A22-6900-0. Changes to the text are indicated by a vertical line to the left of the change; revised illustrations are denoted by the symbol. to the left of the caption. Significant changes or additions to the specifications contained in this publication will be reported in subsequent revisions or Technical Newsletters. Requests for copies of IBM publications should be made to your IBM repre- sentative or to the IBM branch office serving your locality. This manual has been prepared by the IBM Systems Development Division, Product Publications, Dept. B98, P.O. Box 390, Poughkeepsie, New York 12602. Send comments concerning the manual to this address. Contents Direct Word . 5 Operation ... 5 Instructions 5 Write Direct Word 5 Read Direct Word 5 Interface between CPU and External Devices 6 Interface Lines and Signal Timings 6 Connectors and Pin Assignments 8 U sing Direct \Vord with External Interrupt 8 Electrical Specifications 8 Direct Data Channel 12 Operation 12 I/O Addressing 12 Instructions 12 Start I/O 12 Test I/O Halt I/O 18 1 est Channel . . . . . . . . . . . . 10 Channel Status Word 13 Interface between CPU and External Devices 13 Interface Lines and Signal Timings . . . . . . . . . . . . .. 13 Connectors and Pin Assignments 16 Electrical Specifications 16 Priority Interrupt ... .