LAN9311-NZW Standard Microsystems (SMSC), LAN9311-NZW Datasheet - Page 83
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LAN9311-NZW
Manufacturer Part Number
LAN9311-NZW
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9311-NZW.pdf
(460 pages)
Specifications of LAN9311-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)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9311-NZW
Manufacturer:
Standard
Quantity:
2
Company:
Part Number:
LAN9311-NZW
Manufacturer:
Microchip Technology
Quantity:
10 000
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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
7.2
To Host MAC
To Port x
Switch Fabric MAC
Functionally, each PHY can be divided into the following sections:
Note 7.1
A block diagram of the Port x PHYs main components can be seen in
Port 1 & 2 PHYs
MDIO
MII
100BASE-TX Transmit
10BASE-T Transmit
PHY Auto-negotiation
HP Auto-MDIX
MII MAC Interface
PHY Management Control
Registers
Interface
PHY Management
Negotiation
Because the Port 1 PHY and Port 2 PHY are functionally identical, this section will describe
them as the “Port x PHY”, or simply “PHY”. Wherever a lowercase “x” has been appended
to a port or signal name, it can be replaced with “1” or “2” to indicate the Port 1 or Port 2
PHY respectively. All references to “PHY” in this section can be used interchangeably for
both the Port 1 & 2 PHYs. This nomenclature excludes the Virtual PHY.
MAC
MII
Auto-
Control
Interrupt Controller
To System
Interrupts
Figure 7.1 Port x PHY Block Diagram
and
and
10BASE-T Receive
100BASE-TX Receive
Transmitter
Reciever
10/100
10/100
DATASHEET
83
To GPIO/LED
Controller
LEDs
HP Auto-MDIX
From
System Clocks Controller
PLL
Figure
TXPx/TXNx
RXPx/RXNx
7.1.
Revision 1.7 (06-29-10)
To External
Port x Ethernet Pins
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