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Chapter 4 Register Descriptions
© National Instruments Corporation 4-3 VXI-MXI User Manual
3E
3C
3A
38
36
34
32
30
2E
2C
2A
28
26
24
22
20
1E
1C
1A
18
16
14
12
10
0E
0C
0A
08
06
04
02
00
Interrupt Acknowledge 7
Interrupt Acknowledge 6
Interrupt Acknowledge 5
Interrupt Acknowledge 4
Interrupt Ack 3 / Trig Async Ack
Interrupt Ack 2 / Trig Sync Ack
Interrupt Acknowledge 1
VXI-MXI Reserved
MXIbus Trigger Configuration
Status / ID
Interrupt Status / Control
Trigger Mode Register
Drive Triggers / Read LA
MXIbus IRQ Configuration
MXIbus Lock Register
MXIbus Status / Control
Subclass Register
VXI-MXI Reserved
INTX Utility Configuration
VXI-MXI Reserved
INTX Trigger Configuration
INTX Interrupt Configuration
A32 Window Map Register
A24 Window Map Register
A16 Window Map Register
Logical Address Window
MODID Register
Reserved
VXIbus Status / Control
Device Type
VXIbus ID Register
Basic VXI
Configuration
Registers
VXIbus
Extender
Registers
VXI-MXI
Defined
Registers
Offset from Base
Logical Address
16-bit Words
Figure 4-1. VXI-MXI Register Map