LAN9311I-NZW Standard Microsystems (SMSC), LAN9311I-NZW Datasheet - Page 21

• Manufacturer Part Number: LAN9311I-NZW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9311I-NZW

• Number Of Primary Switch Ports: 2
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: No
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII
• Power Supply Type: Analog
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Industrial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

2.2
To Ethernet
To Ethernet
LAN9311/LAN9311i
Block Diagram
10/100
10/100
PHY
Registers
PHY
Registers
Time Stamp
Time Stamp
IEEE 1588
IEEE 1588
MDIO
MDIO
MII
MII
To optional GPIOs/LEDs
GPIO/LED
Controller
10/100
10/100
MAC
MAC
Buffer Manager
Figure 2.1 Internal LAN9311/LAN9311i Block Diagram
Switch Engine
Clock/Events
Time Stamp
IEEE 1588
Switch Fabric
Search
Engine
Buffers
Frame
Controller
Interrupt
System
IRQ
Registers
(CSRs)
10/100
Switch
MAC
25MHz Crystal
Reset/PME
Controller
External
System
Clocks/
Time Stamp
IEEE 1588
Registers
System
(CSRs)
GP Timer
Free-Run
Clk
Register
Access
MUX
MII
TX/RX FIFOs
Host MAC
EEPROM Controller
Host Bus Interface
EEPROM Loader
Microwire (master)
I
2
MDIO
C (master)
Virtual PHY
Registers
I
To 16-bit
Host Bus
To optional
EEPROM
2
C/Microwire