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LAN9312 Datasheet(PDF) 235 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) 235 Page - SMSC Corporation

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
235
Revision 1.2 (04-08-08)
DATASHEET
14.2.6.4
Switch Fabric CSR Interface Data Register (SWITCH_CSR_DATA)
This read/write register is used in conjunction with the Switch Fabric CSR Interface Command Register
(SWITCH_CSR_CMD) to perform read and write operations with the Switch Fabric CSR’s. Refer to
Section 14.5, "Switch Fabric Control and Status Registers," on page 308 for details on the registers
indirectly accessible via this register.
Offset:
1ACh
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
Switch CSR Data (CSR_DATA)
This field contains the value read from or written to the Switch Fabric CSR.
The Switch Fabric CSR is selected via the CSR Address (CSR_ADDR[15:0])
bits of the Switch Fabric CSR Interface Command Register
(SWITCH_CSR_CMD).
Upon a read, the value returned depends on the R/nW bit in the Switch
Fabric CSR Interface Command Register (SWITCH_CSR_CMD). If R/nW is
set, the data is from the switch fabric. If R/nW is cleared, the data is the
value that was last written into this register.
R/W
00000000h



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