LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 372

• Manufacturer Part Number: LAN9312-NU
• Description: Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
• Manufacturer: SMSC
• Type: Two Port Managed Ethernet Switchr

Specifications of LAN9312-NU

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Product: Ethernet Switches
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 Mbps, 100 Mbps
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 0 V
• Supply Current (max): 185 mA, 295 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Revision 1.7 (06-29-10)
18:16
BITS
15:0
Port
These bits indicate the port(s) associated with this MAC address. When bit
18 is cleared, a single port is selected. When bit 18 is set, multiple ports are
selected.
MAC Address
These field contains the last 16 bits of the ALR entry. They correspond to
the last 16 bits of the MAC address. Bit 15 holds the MSB of the last byte
(the last bit on the wire). The first 32 bits of the MAC address are located
in the
VALUE
000
001
010
011
100
101
110
111
Switch Engine ALR Read Data 0 Register
Port 0(Host MAC), Port 1, and Port 2
DESCRIPTION
Port 0(Host MAC) and Port 1
Port 0(Host MAC) and Port 2
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
ASSOCIATED PORT(S)
Port 0(Host MAC)
Port 1 and Port 2
DATASHEET
RESERVED
Port 1
Port 2
372
(SWE_ALR_RD_DAT_0).
TYPE
RO
RO
SMSC LAN9312
DEFAULT
0000h
000b
Datasheet