W90N745CD/W90N745CDG
Rx Descriptor Word 2
31
23
15
7
30
22
14
6
29
21
13
5
28
20
12
4
27
19
11
3
26
18
10
2
25
17
9
24
16
8
Reserved
Reserved
Reserved
Reserved
1
0
The Rx descriptor word 2 keeps obsolete information for MAC translation. Therefore, these
information bits are undefined and should be ignored.
Rx Descriptor Word 3
31
23
15
7
30
22
14
6
29
21
13
5
28
20
12
4
27
19
11
3
26
18
10
2
25
17
9
24
16
8
NRXDSA
NRXDSA
NRXDSA
NRXDSA
1
0
NRXDSA [31:0]: Next Rx Descriptor Starting Address
The Rx descriptor is a link-list data structure. Consequently, NRXDSA is used to keep the starting
address of the next Rx descriptor. The bits [1:0] will be ignored by EMC. So, all Rx descriptor must
locate at word boundary memory address.
Publication Release Date: September 22, 2006
- 97 -
Revision A2
WINBOND [ WINBOND ]
