L-ET4148-50C-DB LSI, L-ET4148-50C-DB Datasheet - Page 213

• Manufacturer Part Number: L-ET4148-50C-DB
• Manufacturer: LSI

Specifications of L-ET4148-50C-DB

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Preliminary Data Sheet
April 2006
Agere Systems Inc.
Appendix A: Registers
Priority_Encode_Table_{0..4}
Description: Encodes the DSCP field to an internal priority representation.
Table 295. Priority_Encode_Table_{0..4} Register Parameters
Table 296. Priority_Encode_Table_{0..4} Field Parameters
This table is used to encode the IP header’s 6-bit DSCP value. This table is addressed by the DSCP value
extracted from the packet’s IP header, and the 4-bit encoded priority value is returned.
Base Address
Register Size
Register Instances
Register Spacing
Record Size
Record Instances
Record Spacing
priority[3:0]
0
Parameter
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
Field Name
0
1
2
REFERENCE
3
4
PORT
Figure 224. Priority_Encode_Table_{0..4} Register Diagram
5
6
XG1
60
Single-Chip 48 x 1 Gbit/s + 2 x 10 Gbits/s Layer 2+ Ethernet Switch
(continued)
7
XG0
50
8
Figure 225. Port Numbering Scheme
SU1
9
49
Agere Systems - Proprietary
Instances = 1
PORT NUMBERING SCHEME
Offset = 0.28
Mode = R/W
Parameters
10
0x0004_de00
SU0
48
G = 10/100/1000 Mbits/s PORT
XG = 10 Gbits/s PORT
SU = SUPERVISOR
11
32768
Value
256
12
G47
64
47
5
4
4
13
G46
46
14
G45
15
45
16
The encoded priority value.
G44
44
17
18
19
20
21
G3
3
22
Description
G2
23
8
2
24
7
G1
1
25
6
G0
26
0
5
27
4
28
3
priority[3:0]
29
2
ET4148-50
30
1
31
0
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