L-ET4148-50C-DB LSI, L-ET4148-50C-DB Datasheet - Page 259

• 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
User_Type_{5..6}
Description: User-specified Ethertype values.
Table 364. User_Type_{5..6} Register Parameters
Table 365. User_Type_{5..6} Field Parameters
If a received packet’s Ethertype value matches one of the three in this table, then it’s Ethertype is encoded as
USER_TYPE_0, USER_TYPE_1 or USER_TYPE_2, depending on which record is matched.
Base Address
Register Size
Register Instances
Register Spacing
Record Size
Record Instances
Record Spacing
user_type_entry_valid_{}{0..2}
user_type_{}{0..2}[15:0]
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
0
Field Name
1
2
3
REFERENCE
4
5
PORT
6
7
XG1
60
Figure 276. User_Type_{5..6} Register Diagram
Single-Chip 48 x 1 Gbit/s + 2 x 10 Gbits/s Layer 2+ Ethernet Switch
(continued)
8
0x0007_5fd0
XG0
50
9
Mode = R/W
Offset = 0.0
Instances = 1
Mode = R/W
Offset = 0.16
Instances = 1
Figure 277. Port Numbering Scheme
32768
Value
10
SU1
12
49
2
4
3
4
Agere Systems - Proprietary
PORT NUMBERING SCHEME
11
Parameters
G = 10/100/1000 Mbits/s PORT
XG = 10 Gbits/s PORT
SU = SUPERVISOR
SU0
48
12
13
G47
47
14
G46
46
15
16
G45
45
17
G44
Must be asserted for comparison to be made.
User-specified Ethertype value.
44
18
19
20
21
user_type_{0..2}[15:0]
22
G3
3
23
8
24
G2
Description
7
2
25
6
G1
1
26
5
G0
27
4
0
28
3
29
2
30
1
ET4148-50
31
0
259