VXI 320222-01 Chapter 4 Register Descriptions , Chapter 5 Programming Considerations

Contents

VXI-MXI User Manual vi © National Instruments Corporation

Chapter 4

Register Descriptions......................................................................................................... 4-1

Register Maps ................................................................................................................ 4-1

Hard and Soft Reset ........................................................................................... 4-1

VXIbus Configuration Registers.................................................................................... 4-4

VXIbus ID Register ........................................................................................... 4-4

Device Type Register......................................................................................... 4-6

VXIbus Status/Control Register......................................................................... 4-7

VXIbus Extender Registers............................................................................................ 4-9

MODID Register................................................................................................ 4-9

Logical Address Window Register .................................................................... 4-10

A16 Window Map Register ............................................................................... 4-14

A24 Window Map Register ............................................................................... 4-18

A32 Window Map Register ............................................................................... 4-22

INTX Interrupt Configuration Register ............................................................. 4-26

INTX Trigger Configuration Register ............................................................... 4-27

INTX Utility Configuration Register................................................................. 4-28

Subclass Register ............................................................................................... 4-30

MXIbus Defined Registers............................................................................................. 4-31

MXIbus Status/Control Register........................................................................ 4-31

MXIbus Lock Register....................................................................................... 4-36

MXIbus IRQ Configuration Register................................................................. 4-37

Drive Triggers/Read LA Register ...................................................................... 4-39

Trigger Mode Selection Register ....................................................................... 4-41

Interrupt Status/Control Register ....................................................................... 4-45

Status/ID Register .............................................................................................. 4-48

MXIbus Trigger Configuration Register............................................................ 4-49

Trigger Synchronous Acknowledge Register .................................................... 4-50

Trigger Asynchronous Acknowledge Register .................................................. 4-50

IRQ Acknowledge Registers.............................................................................. 4-51

Chapter 5

Programming Considerations ........................................................................................ 5-1

System Configuration .................................................................................................... 5-1

Planning a VXIbus/MXIbus System Logical Address Map .............................. 5-1

Base/Size Configuration Format............................................................ 5-3

High/Low Configuration Format ........................................................... 5-5

Steps to Follow When Planning a System Logical Address Map.......... 5-5

Worksheets for Planning Your VXIbus/MXIbus Logical Address Map........... 5-13

Alternative Worksheets for Planning Your VXIbus/MXIbus Logical

Address Map ...................................................................................................... 5-18

Planning a VXIbus/MXIbus System A16 Address Map ................................... 5-21

Worksheets for Planning Your VXIbus/MXIbus A16 Address Map ................ 5-29

Multiframe RM Operation ............................................................................................. 5-35

Configuring the Logical Address Window ........................................................ 5-35

Configuring the Logical Address Window Example............................. 5-36

Configuring the A24 and A32 Addressing Windows ........................................ 5-38

System Administration and Initiation ................................................................ 5-39