LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 412
LAN9312-NU
Manufacturer Part Number
LAN9312-NU
Description
Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
Manufacturer
SMSC
Type
Two Port Managed Ethernet Switchr
Datasheet
1.LAN9312-NZW.pdf
(458 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9312-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
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Revision 1.7 (06-29-10)
14.5.4.3
31:16
BITS
15:8
7:0
RESERVED
Pause Level Low
These bits specify the buffer usage level during times when 2 or 3 ports are
active.
Each buffer is 128 bytes.
Note:
Pause Level High
These bits specify the buffer usage level during times when 1 port is active.
Each buffer is 128 bytes.
Note:
Buffer Manager Flow Control Pause Level Register (BM_FC_PAUSE_LVL)
This register configures the buffer usage level when a Pause frame or backpressure is sent.
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 #:
1C02h
DESCRIPTION
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
412
Size:
32 bits
TYPE
R/W
R/W
RO
SMSC LAN9312
DEFAULT
3Ch
21h
Datasheet
-
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