EVB9311 SMSC, EVB9311 Datasheet - Page 120
EVB9311
Manufacturer Part Number
EVB9311
Description
EVALUATION BOARD LAN9311-NU
Manufacturer
SMSC
Series
0133r
Datasheet
1.LAN9311-NU.pdf
(460 pages)
Specifications of EVB9311
Main Purpose
Interface, Ethernet
Embedded
No
Utilized Ic / Part
LAN9311
Primary Attributes
2 Ports, 100BASE-TX/10BASE-T, Managed
Secondary Attributes
2 PHYs with HP Auto-MDIX, Auto- Flow Control, 32-bit CRC, MDI/MDI-X
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1076
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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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