Interphase Tech CONDOR 4221 User Manual
Page 101
Transmit -- In-Line Gathers
89
Table 3-31. Transmit - In-Line Gathers
Number of Elements
This field contains the number of gather elements included in the IOPB. The only physical limit on this value is that
the size of the total IOPB to be processed by the controller must fit in the IOPB length field in the CQE. Practically,
however, this value should not exceed 4.
Total transfer count
This field contains the total number of bytes to be transferred for all elements. This value must match the sum of all
the element transfer counts.
Element transfer count
This field contains the number of bytes located at the physical address associated with this element.
Buffer address
This field contains the VMEbus physical address for the data associated with this gather element.
Transmit - In-Line Gathers
Offst
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x06
Number of Elements
0x07
Total Transfer Count
0x08
Reserved
0x09
Element Transfer Count
0x0A
Buffer Address (MSW)
0x0B
Buffer Address (LSW)
0x0C
Reserved
0x0D
Buffer Address (MSW)
0x0F
Buffer Address (LSW)
. . .