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LAN9312 Datasheet(PDF) 380 Page - SMSC Corporation

Part # LAN9312
Description  High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
PDF  458 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9312 Datasheet(HTML) 380 Page - SMSC Corporation

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Revision 1.2 (04-08-08)
380
SMSC LAN9312
DATASHEET
14.5.3.12
Switch Engine DIFFSERV Table Command Register (SWE_DIFFSERV_TBL_CFG)
This register is used to read and write the DIFFSERV table. A write to this address performs the
specified access. This table is used to map the received IP ToS/CS to a priority.
For a read access, the Operation Pending bit in the Switch Engine DIFFSERV Table Command Status
Register (SWE_DIFFSERV_TBL_CMD_STS) indicates when the command is finished. The Switch
Engine DIFFSERV Table Read Data Register (SWE_DIFFSERV_TBL_RD_DATA) can then be read.
For a write access, t he Swit ch Engine DI FFSER V Table W r ite Dat a Register
(SWE_DIFFSERV_TBL_WR_DATA) register should be written first. The Operation Pending bit in the
Switch Engine DIFFSERV Table Command Status Register (SWE_DIFFSERV_TBL_CMD_STS)
indicates when the command is finished.
Register #:
1811h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:8
RESERVED
RO
-
7
DIFFSERV Table RnW
This bit specifies a read(1) or a write(0) command.
R/W
0b
6
RESERVED
RO
-
5:0
DIFFSERV Table Index
This field specifies the ToS/CS entry that is accessed.
R/W
0h



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