LAN9311-NZW Standard Microsystem (Smsc), LAN9311-NZW Datasheet - Page 238

• Manufacturer Part Number: LAN9311-NZW
• Description: Ethernet Switch 2-Port 10Mbps/100Mbps 128-Pin XVTQFP
• Manufacturer: Standard Microsystem (Smsc)

Specifications of LAN9311-NZW

• Package: 128XVTQFP
• Phy/transceiver Interface: MII
• Number Of Primary Switch Ports: 2
• Maximum Data Rate: 100 Mbps
• Internal Memory Buffer Size: 32 KB
• Vlan Support: Yes
• Power Supply Type: Analog
• Minimum Single Supply Voltage: 3 V
• Maximum Single Supply Voltage: 3.6 V
• Maximum Supply Current: 0.295 A
• Maximum Power Dissipation: 1070 mW

Revision 1.7 (06-29-10)
19:16
BITS
15:0
CSR Byte Enable (CSR_BE[3:0])
This field is a 4-bit byte enable used for selection of valid bytes during write
operations. Bytes which are not selected will not be written to the
corresponding Switch Engine CSR.
CSR_BE[3] corresponds to register data bits [31:24]
CSR_BE[2] corresponds to register data bits [23:16]
CSR_BE[1] corresponds to register data bits [15:8]
CSR_BE[0] corresponds to register data bits [7:0]
Typically all four byte enables should be set for auto increment and auto
decrement operations.
CSR Address (CSR_ADDR[15:0])
This field selects the 16-bit address of the Switch Fabric CSR that will be
accessed with a read or write operation. Refer to
Accessible Switch Control and Status Registers,” on page 309
Switch Fabric CSR addresses.
DESCRIPTION
DATASHEET
238
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Table 14.12, “Indirectly
for a list of
TYPE
R/W
R/W
SMSC LAN9311/LAN9311i
DEFAULT
00h
Datasheet
0h