LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 150

• 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)
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