LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 150

• Manufacturer Part Number: LAN9312-NU
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9312-NU

• Number Of Primary Switch Ports: 2
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: No
• Phy/transceiver Interface: MII
• Power Supply Type: Analog
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

Revision 1.7 (06-29-10)
Write Bytes 1-6 into Host
Update VPHY registers
DIGITAL_RST, nRST,
MAC and switch MAC
Update PHY registers
Perform register data
Write Bytes 8-11 into
MANUAL_FC_2 and
Configuration Strap
Update LED_CFG,
Address Registers
MANUAL_FC_mii
MANUAL_FC_1,
EPC_BUSY = 1
Read Bytes 1-6
Read Byte 7-11
POR, RELOAD
Byte 12 = A5h
Read Byte 12
Byte 0 = A5h
Byte 7 = A5h
Read Byte 0
Figure 10.14 EEPROM Loader Flow Diagram
load loop
registers
registers
Y
Y
Y
N
N
N
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
Load PHY registers with
Load PHY registers with
current straps
current straps
150
Write Bytes 1-6 into Host
MAC Address Registers
EPC_BUSY = 0
EPC_BUSY = 1
Read Bytes 1-6
Read Byte 0
Byte 0 = A5h
Soft Reset
Y
Y
N
N
SMSC LAN9312
Datasheet