LAN9312-NZW SMSC, LAN9312-NZW Datasheet - Page 179
![Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch](/photos/27/13/271362/lan9312_sml.jpg)
LAN9312-NZW
Manufacturer Part Number
LAN9312-NZW
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-NZW
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)
186 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-NZW
Manufacturer:
Standard
Quantity:
143
Company:
Part Number:
LAN9312-NZW
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
14.2.1.4
31:24
23:16
BITS
15:8
7:0
TX Data Available Level
The value in this field sets the level, in number of 64 Byte blocks, at which
the
TX Data FIFO free space is greater than this value, a
Available Interrupt (TDFA)
(INT_STS).
TX Status Level
The value in this field sets the level, in number of DWORD’s, at which the
TX Status FIFO Level Interrupt (TSFL)
Status FIFO used space is greater than this value, a
Interrupt (TSFL)
(INT_STS).
RESERVED - This field must be written with 00h for proper operation.
RX Status Level
The value in this field sets the level, in number of DWORD’s, at which the
RX Status FIFO Level Interrupt (RSFL)
Status FIFO used space is greater than this value, a
Interrupt (RSFL)
(INT_STS).
FIFO Level Interrupt Register (FIFO_INT)
This read/write register configures the limits where the RX/TX Data and Status FIFO’s will generate
system interrupts.
TX Data FIFO Available Interrupt (TDFA)
Offset:
will be generated in the
will be generated in the
will be generated in the
068h
DESCRIPTION
DATASHEET
will be generated. When the TX
will be generated. When the RX
Interrupt Status Register
Interrupt Status Register
179
will be generated. When the
Size:
Interrupt Status Register
RX Status FIFO Level
TX Status FIFO Level
TX Data FIFO
32 bits
TYPE
R/W
R/W
R/W
R/W
Revision 1.7 (06-29-10)
DEFAULT
48h
00h
00h
00h
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