![](/images/backgrounds/145460/bg16.png)
General Description Chapter 2
GPIB-1014 User Manual 2-4 © National Instruments Corporation
Table 2-3. 68450 Internal DMA RegistersAddress (Base
+ Hex Offset) Mode Register Channel Size
0A R/W Memory Transfer Counter (MTCR0) 0 16 bits
0C R/W Memory Address Register (MAR0) 0 32 bits
29 R/W Memory Function Code (MFCR0) 0 8 bits
14 R/W Device Address Register (DAR0) 0 32 bits
31 R/W Device Function Code (DFCR0) 0 8 bits
1A R/W Base Transfer Counter (BTCR0) 0 16 bits
1C R/W Base Address Register (BAR0) 0 32 bits
39 R/W Base Function Code (BFCR0) 0 8 bits
00 R/W Channel Status (CSR0) 0 8 bits
01 R Channel Error (CER0) 0 8 bits
04 R/W Device Control (DCR0) 0 8 bits
05 R/W Operation Control (OCR0) 0 8 bits
06 R/W Sequence Control (SCR0) 0 8 bits
07 R/W Channel Control (CCR0) 0 8 bits
2D R/W Channel Priority (CPR0) 0 8 bits
25 R/W Normal Interrupt Vector (NIVR0) 0 8 bits
27 R/W Error Interrupt Vector (EIVR0) 0 8 bits
4A R/W Memory Transfer Counter (MTCR1) 1 16 bits
4C R/W Memory Address Register (MAR1) 1 32 bits
69 R/W Memory Function Code (MFCR1) 1 8 bits
54 R/W Device Address Register (DAR1) 1 32 bits
71 R/W Device Function Code (DFCR1) 1 8 bits
5A R/W Base Transfer Counter (BTCR1) 1 16 bit
5C R/W Base Address Register (BAR1) 1 32 bits
79 R/W Base Function Code (BFCR1) 1 8 bits
40 R/W Channel Status (CSR1) 1 8 bits
41 R Channel Error (CER1) 1 8 bits
44 R/W Device Control (DCR1) 1 8 bits
45 R/W Operation Control (OCR1) 1 8 bits
46 R/W Sequence Control (SCR1) 1 8 bits
47 R/W Channel Control (CCR1) 1 8 bits
6D R/W Channel Priority (CPR1) 1 8 bits
65 R/W Normal Interrupt Vector (NIVR1) 1 8 bits
67 R/W Error Interrupt Vector (EIVR1) 1 8 bits
8A R/W Memory Transfer Counter (MTCR2) 2 16 bits
8C R/W Memory Address Register (MAR2) 2 32 bits
A9 R/W Memory Function Code (MFCR2) 2 8 bits
94 R/W Device Address Register (DAR2) 2 32 bits
B1 R/W Device Function Code (DFCR2) 2 8 bits
9A R/W Base Transfer Counter (BTCR2) 2 16 bits
9C R/W Base Address Register (BAR2) 2 32 bits
B9 R/W Base Function Code (BFCR2) 2 8 bits
80 R/W Channel Status (CSR2) 2 8 bits
81 R Channel Error (CER2) 2 8 bits
84 R/W Device Control (DCR2) 2 8 bits
(continues)