W90N745CD/W90N745CDG
TXINTR [16]: Transmit Interrupt
The TXINTR indicates the packet transmission caused an interrupt condition.
1’b0: The packet transmission doesn’t cause an interrupt.
1’b1: The packet transmission caused an interrupt.
TBC [15:0]: Transmit Byte Count
The TBC indicates the byte count of the frame stored in the data buffer pointed by Tx descriptor for
transmission.
Tx 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
NTXDSA
NTXDSA
NTXDSA
NTXDSA
1
0
NTXDSA [31:0]: Next Tx Descriptor Starting Address
The Tx descriptor is a link-list data structure. Consequently, NTXDSA is used to keep the starting
address of the next Tx descriptor. The bits [1:0] will be ignored by EMC. So, all Tx descriptor must
locate at word boundary memory address.
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WINBOND [ WINBOND ]
