User manual

Chapter 5 Register Descriptions
© National Instruments Corporation 5-51 VXI-MXI-2 User Manual
Table 5-2. VXI-MXI-2 VXIbus A24/A32 Register Map
Mnemonic
Offset
(Hex) Access Type Access Size Register Name
DMAICR 8 Read/Write 16/8 bit DMA Interrupt Configuration
DMAIER 12 Read/Write 16/8 bit DMA Interrupt Enable
DMAISIDR 20 Read/Write 16/8 bit DMA Interrupt Status/ID
VMSR2/
VMCR2
758 Read/Write 32/16/8 bit VXI-MXI-2 Status/Control
Register 2
SMSR/
SMCR
C40 Read/Write 32/16/8 bit Shared MXIbus Status/Control
Register
CHOR1 D00 Read/Write 32/16/8 bit DMA Channel 1 Operation
CHCR1 D04 Read/Write 32/16/8 bit DMA Channel 1 Control
TCR1 D08 Read/Write 32/16/8 bit DMA Channel 1 Transfer Count
SCR1 D0C Read/Write 32/16/8 bit DMA Channel 1 Source
Configuration
SAR1 D10 Read/Write 32/16/8 bit DMA Channel 1 Source Address
DCR1 D14 Read/Write 32/16/8 bit DMA Channel 1 Destination
Configuration
DAR1 D18 Read/Write 32/16/8 bit DMA Channel 1 Destination
Address
CHSR1 D3C Read Only 32/16/8 bit DMA Channel 1 Status
FCR1 D40 Read Only 32/16/8 bit DMA Channel 1 FIFO Count
CHOR2 E00 Read/Write 32/16/8 bit DMA Channel 2 Operation
CHCR2 E04 Read/Write 32/16/8 bit DMA Channel 2 Control
TCR2 E08 Read/Write 32/16/8 bit DMA Channel 2 Transfer Count
SCR2 E0C Read/Write 32/16/8 bit DMA Channel 2 Source
Configuration
SAR2 E10 Read/Write 32/16/8 bit DMA Channel 2 Source Address
DCR2 E14 Read/Write 32/16/8 bit DMA Channel 2 Destination
Configuration
DAR2 E18 Read/Write 32/16/8 bit DMA Channel 2 Destination
Address
CHSR2 E3C Read Only 32/16/8 bit DMA Channel 2 Status
FCR2 E40 Read Only 32/16/8 bit DMA Channel 2 FIFO Count