LAN9116-MD SMSC, LAN9116-MD Datasheet - Page 92
LAN9116-MD
Manufacturer Part Number
LAN9116-MD
Description
Ethernet ICs Efficient Sngl Chip 10/100 Ethrnt
Manufacturer
SMSC
Type
Single Chip MAC and PHYr
Datasheet
1.LAN9116-MT.pdf
(132 pages)
Specifications of LAN9116-MD
Ethernet Connection Type
10 Base-T, 100 Base-TX
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Product
Ethernet Controllers
Number Of Transceivers
1
Standard Supported
802.3
Data Rate
10 MB, 100 MB
Supply Voltage (max)
3.3 V
Supply Voltage (min)
0 V
Maximum Operating Temperature
+ 70 C
Package / Case
TQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Revision 1.5 (07-11-08)
30-28
27-10
BITS
DESCRIPTION
EPC command. This field is used to issue commands to the EEPROM
controller. The EPC will execute commands when the EPC Busy bit is set.
A new command must not be issued until the previous command completes.
This field is encoded as follows:
READ (Read Location): This command will cause a read of the EEPROM
location pointed to by EPC Address. The result of the read is available in
the E2P_DATA register.
EWDS (Erase/Write Disable): After issued, the EEPROM will ignore erase
and write commands. To re-enable erase/write operations issue the EWEN
command.
EWEN (Erase/Write Enable): Enables the EEPROM for erase and write
operations. The EEPROM will allow erase and write operations until the
Erase/Write Disable command is sent, or until power is cycled.
Note:
WRITE (Write Location): If erase/write operations are enabled in the
EEPROM, this command will cause the contents of the E2P_DATA register
to be written to the EEPROM location selected by the EPC Address field.
WRAL (Write All): If erase/write operations are enabled in the EEPROM,
this command will cause the contents of the E2P_DATA register to be
written to every EEPROM memory location.
ERASE (Erase Location): If erase/write operations are enabled in the
EEPROM, this command will erase the location selected by the EPC
Address field.
ERAL (Erase All): If erase/write operations are enabled in the EEPROM,
this command will initiate a bulk erase of the entire EEPROM.
RELOAD (MAC Address Reload): Instructs the EEPROM controller to
reload the MAC address from the EEPROM. If a value of 0xA5 is not found
in the first address of the EEPROM, the EEPROM is assumed to be un-
programmed and MAC Address Reload operation will fail. The “MAC
Address Loaded” bit indicates a successful load of the MAC address.
Reserved.
The EEPROM device will power-up in the erase/write-disabled
state. Any erase or write operations will fail until an Erase/Write
Enable command is issued.
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DATASHEET
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92
Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
OPERATION
ERASE
WRITE
Reload
EWDS
EWEN
READ
WRAL
ERAL
TYPE
R/W
RO
SMSC LAN9116
DEFAULT
Datasheet
0
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