LAN9420-NU Standard Microsystems (SMSC), LAN9420-NU Datasheet - Page 150
![no-image](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__sml.jpg)
LAN9420-NU
Manufacturer Part Number
LAN9420-NU
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9420-NU.pdf
(170 pages)
Specifications of LAN9420-NU
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
128
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9420-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
LAN9420-NU
Manufacturer:
SMSC
Quantity:
20 000
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Revision 1.4 (12-17-08)
00h - 01h
02h - 03h
04h - 05h
06h - 07h
08h
09h - 0Bh
0Ch
0Dh
0Eh
0F - 1Bh
1Ch - 1Fh
20h - 23h
24h - 2Bh
2Ch - 2Dh
2EH - 2Fh
30h - 33h
34h
35h - 3Bh
3Ch
3Dh
3Eh
3Fh
CONFIGURATION
SPACE OFFSET
Table 4.10
for Subsystem Vendor ID and Subsystem Device ID, are configured from the EEPROM are indicated
by ‘YES’ in the “EPROM CONFIGURABLE” column.
Note 4.7
Note 4.8
Note 4.9
Vendor ID
Device ID
Command
Status
Revision ID
Class Code
Cache Line Size
Latency Timer
Header Type
RESERVED
BAR 3
(For NP-Mem mapped 1Kbyte)
BAR 4
(For I/O mapped 256byte)
RESERVED
Subsystem Vendor ID (SSVID)
(Note
Subsystem Device ID (SSID)
(Note
RESERVED
Capabilities Pointer
RESERVED
Interrupt Line
Interrupt Pin
Min_Gnt
Max_Lat
lists the standard PCI header registers that are supported. Registers whose initial values
Default value is dependent on device revision.
BAR3’s read back value is FFFFFC00h after writing FFFFFFFFh. BAR4’s read back value
is FFFFFF01h after writing FFFFFFFFh.
The Subsystem Vendor ID and Subsystem Device ID can be configured by the serial
EEPROM. if no EEPROM is connected to LAN9420/LAN9420i, then the default values in
the table are used.
Table 4.10 Standard PCI Header Registers Supported
4.9)
4.9)
(Note
(Note
REGISTER NAME
4.8)
4.8)
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
DATASHEET
150
RO, R/WC
READ/
WRITE
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
(FFFFFC00h)
(FFFFFF01h)
00000000h
DEFAULT
0000001h
020000h
Note 4.7
1055h
E420h
0410h
1055h
9420h
00h
00h
00h
00h
78h
00h
01h
02h
04h
SMSC LAN9420/LAN9420i
CONFIGURABLE
EEPROM
YES
YES
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