LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 411
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LAN9312-NU
Manufacturer Part Number
LAN9312-NU
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9312-NU.pdf
(458 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9312-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
14.5.4.2
31:16
BITS
15:8
7:0
RESERVED
Drop Level Low
These bits specify the buffer limit that can be used per ingress port during
times when 2 or 3 ports are active.
Each buffer is 128 bytes.
Note:
Drop Level High
These bits specify the buffer limit that can be used per ingress port during
times when 1 port is active.
Each buffer is 128 bytes.
Note:
Buffer Manager Drop Level Register (BM_DROP_LVL)
This register configures the overall buffer usage limits.
A port is “active” when 36 buffers are in use for that port.
A port is “active” when 36 buffers are in use for that port.
Register #:
1C01h
DESCRIPTION
DATASHEET
411
Size:
32 bits
TYPE
R/W
R/W
RO
Revision 1.7 (06-29-10)
DEFAULT
49h
64h
-
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