Table of Contents
VME-MXI-2 User Manual
vi
© National Instruments Corporation
Chapter 4
Register Descriptions
Hard and Soft Reset ......................................................................................................4-1
Register Description Format .........................................................................................4-1
VXIbus Configuration Registers ..................................................................................4-2
VXIbus ID Register (VIDR) ..........................................................................4-4
VXIbus Device Type Register (VDTR) .........................................................4-5
VXIbus Status Register (VSR) .......................................................................4-6
VXIbus Control Register (VCR)....................................................................4-8
VXIbus Offset Register (VOR)......................................................................4-10
Extender Logical Address Window Register (VWR0) ..................................4-11
Extender A16 Window Register (VWR1)......................................................4-13
Extender A24 Window Register (VWR2)......................................................4-15
Extender A32 Window Register (VWR3)......................................................4-17
VXIbus Interrupt Configuration Register (VICR) .........................................4-19
VXIbus Utility Configuration Register (VUCR) ...........................................4-21
VXIbus Subclass Register (VSCR)................................................................4-24
VME-MXI-2 Status Register (VMSR) ..........................................................4-25
VME-MXI-2 Control Register (VMCR)........................................................4-28
VMEbus Lock Register (VLR) ......................................................................4-31
VME-MXI-2 Logical Address Register (VLAR) ..........................................4-32
VMEbus Interrupt Status Register (VISTR) ..................................................4-33
VMEbus Interrupt Control Register (VICTR) ...............................................4-35
VMEbus Status ID Register (VSIDR)............................................................4-37
VMEbus Interrupt Acknowledge Register 1 (VIAR1) ..................................4-38
VMEbus Interrupt Acknowledge Register 2 (VIAR2) ..................................4-39
VMEbus Interrupt Acknowledge Register 3 (VIAR3) ..................................4-40
VMEbus Interrupt Acknowledge Register 4 (VIAR4) ..................................4-41
VMEbus Interrupt Acknowledge Register 5 (VIAR5) ..................................4-42
VMEbus Interrupt Acknowledge Register 6 (VIAR6) ..................................4-43
VMEbus Interrupt Acknowledge Register 7 (VIAR7) ..................................4-44
VMEbus A24/A32 Registers ........................................................................................4-45
DMA Interrupt Configuration Register (DMAICR) ......................................4-47
DMA Interrupt Enable Register (DMAIER)..................................................4-50
DMA Interrupt Status/ID Register (DMAISIDR)..........................................4-52
VME-MXI-2 Status/Control Register 2 (VMSR2/VMCR2) .........................4-54
Shared MXIbus Status/Control Register (SMSR/SMCR)..............................4-56
DMA Channel Operation Register (CHORx) ................................................4-60
DMA Channel Control Register (CHCRx) ....................................................4-63
DMA Transfer Count Register (TCRx)..........................................................4-65
DMA Source Configuration Register (SCRx)................................................4-67
DMA Source Address Register (SARx).........................................................4-70
DMA Destination Configuration Register (DCRx)........................................4-72
DMA Destination Address Register (DARx).................................................4-75
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