LAN9311-NU SMSC, LAN9311-NU Datasheet - Page 120
LAN9311-NU
Manufacturer Part Number
LAN9311-NU
Description
IC ETHER SW 2PRT 16BIT 128-VTQFP
Manufacturer
SMSC
Type
Two Port Managed Ethernet Switchr
Specifications of LAN9311-NU
Controller Type
Ethernet Switch Controller
Interface
Serial EEPROM
Voltage - Supply
3.3V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
128-TQFP, 128-VQFP
Product
Ethernet Switches
Number Of Transceivers
1
Standard Supported
802.3, 802.3u
Data Rate
10 MB, 100 MB
Supply Voltage (max)
3.3 V
Supply Voltage (min)
0 V
Maximum Operating Temperature
+ 70 C
Ethernet Connection Type
10 Base-T, 100 Base-TX
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
For Use With
638-1076 - EVALUATION BOARD LAN9311-NU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
638-1075
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Revision 1.7 (06-29-10)
9.6
EEPROM Address
01h
02h
03h
04h
05h
06h
Destination Address Source Address ……………FF FF FF FF FF FF
00 11 22 33 44 55 00 11 22 33 44 55 00 11 22 33 44 55 00 11 22 33 44 55
00 11 22 33 44 55 00 11 22 33 44 55 00 11 22 33 44 55 00 11 22 33 44 55
00 11 22 33 44 55 00 11 22 33 44 55 00 11 22 33 44 55 00 11 22 33 44 55
00 11 22 33 44 55 00 11 22 33 44 55 00 11 22 33 44 55 00 11 22 33 44 55
…CRC
Note: The switch fabric must be configured to pass magic packets to the Host MAC for this function
The Host MAC address is configured via the
Host MAC Address High Register
address of the Host MAC. The contents of these registers may be loaded directly by the host, or
optionally, by the EEPROM Loader from EEPROM at power-on (if a programmed EEPROM is
detected). The MAC address value loaded by the EEPROM Loader into the Host MAC address
registers (for host packet unicast qualification), is also loaded into the Switch Fabric MAC address
registers (for pause packet / flow control):
(SWITCH_MAC_ADDRL)
These two sets of registers are loaded simultaneously via the same EEPROM byte addresses.
Table 9.7
HMAC_ADDRH/SWITCH_MAC_ADDRH registers with respect to the reception of the Ethernet
physical address. Also shown is the correlation between the EEPROM addresses and
HMAC_ADDRL/SWITCH_MAC_ADDRL and HMAC_ADDRH/SWITCH_MAC_ADDRH registers.
For example, if the desired Ethernet physical address is 12-34-56-78-9A-BC, the HMAC_ADDRL and
HMAC_ADDRH registers would be programmed as shown in
automatically load this configuration from the EEPROM are also shown.
Host MAC Address
to operate properly.
below illustrates the byte ordering of the HMAC_ADDRL/SWITCH_MAC_ADDRL and
Table 9.7 EEPROM Byte Ordering and Register Correlation
SWITCH_MAC_ADDRL[23:16]
SWITCH_MAC_ADDRL[31:24]
SWITCH_MAC_ADDRH[15:8]
SWITCH_MAC_ADDRL[15:8]
Register Locations Written
SWITCH_MAC_ADDRH[7:0]
SWITCH_MAC_ADDRL[7:0]
and
HMAC_ADDRL[23:16]
HMAC_ADDRL[31:24]
HMAC_ADDRH[15:8]
HMAC_ADDRL[15:8]
HMAC_ADDRH[7:0]
HMAC_ADDRL[7:0]
Switch Fabric MAC Address High Register
DATASHEET
(HMAC_ADDRH). These registers contain the 48-bit physical
120
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Host MAC Address Low Register (HMAC_ADDRL)
Switch Fabric MAC Address Low Register
Figure
Order of Reception on Ethernet
9.2. The values required to
(SWITCH_MAC_ADDRH).
SMSC LAN9311/LAN9311i
2
3
1
4
5
6
nd
rd
th
th
th
st
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