Table 4-1. Vxi-Mxi Register Map - National Instruments VXI-MXI User Manual

Register Descriptions
Register Name
VXIbus ID Register
Device Type Register
VXIbus Status/Control Register
MODID Register
Logical Address Window Register
A16 Window Map Register
A24 Window Map Register
A32 Window Map Register
INTX Interrupt Configuration *
INTX Trigger Configuration *
INTX Utility Configuration *
Subclass Register
MXIbus Status/Control Register
MXIbus Lock Register
MXIbus IRQ Configuration Register
Drive Triggers/Read LA Register
Trigger Mode Selection Register
Interrupt Status/Control Register
Status/ID Register
MXIbus Trigger Configuration Register
Trigger Sync. Acknowledge Register
Trigger Async. Acknowledge Register
Interrupt Acknowledge for IRQ1
Interrupt Acknowledge for IRQ2
Interrupt Acknowledge for IRQ3
Interrupt Acknowledge for IRQ4
Interrupt Acknowledge for IRQ5
Interrupt Acknowledge for IRQ6
Interrupt Acknowledge for IRQ7
* The three INTX registers at offsets 12, 14, and 18 are only available on VXI-MXIs with the
INTX daughter card option. On VXI-MXIs without the INTX option, the entire range
between offsets 12 and 1C (inclusive) is VXI-MXI Reserved Space.
VXI-MXI User Manual

Table 4-1. VXI-MXI Register Map

Offset from Base
Address (Hex)
4-2
Type
0 Read Only
2 Read Only
4 Read/Write
8 Read/Write
A Read/Write
C Read/Write
E Read/Write
10 Read/Write
12 Read/Write
14 Read/Write
18 Read/Write
1E Read Only
20 Read/Write
22 Read/Write
24 Read/Write
26 Read/Write
28 Read/Write
2A Read/Write
2C Read/Write
2E Read/Write
34 Write Only
36 Write Only
32 Read Only
34 Read Only
36 Read Only
38 Read Only
3A Read Only
3C Read Only
3E Read Only
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