SMSC LAN9311 User Manual

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

SMSC LAN9311/LAN9311i

241

Revision 1.4 (08-19-08)

 

This write-only register set is used to perform directly addressed write operations to the Switch Fabric
CSR’s. Using this set of registers, writes can be directly addressed to select Switch Fabric registers,
as specified in 

Writes within the 

address range automatically set the appropriate address, set the four byte enable bits, clear the R/nW
bit and set the Busy bit in the 

.

The completion of the write cycle is indicated when the Busy bit is cleared. The address that is set in
the 

 is mapped via 

.

For more information on this method of writing to the Switch Fabric CSR’s, refer to 

.

This set of registers is for write operations only. Reads can be performed via the 

 registers only.

Offset:

200h - 2DCh

Size:

32 bits

31:0

Switch CSR Data (CSR_DATA)
This field contains the value to be written to the corresponding Switch Fabric 
register.

WO

00000000h

SW_RESET

0001h

200h

SW_IMR

0004h

204h

MAC_RX_CFG_MII

0401h

208h

MAC_TX_CFG_MII

0440h

20Ch

MAC_TX_FC_SETTINGS_MII

0441h

210h

MAC_IMR_MII

0480h

214h

MAC_RX_CFG_1

0801h

218h

MAC_TX_CFG_1

0840h

21Ch

MAC_TX_FC_SETTINGS_1

0841h

220h

MAC_IMR_1

0880h

224h

MAC_RX_CFG_2

0C01h

228h