High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
MII
Media Independent Interface
Media Independent Interface Management
MAC Interface Layer
MIIM
MIL
MLD
MLT-3
Multicast Listening Discovery
Multi-Level Transmission Encoding (3-Levels). A tri-level encoding method
where a change in the logic level represents a code bit “1” and the logic
output remaining at the same level represents a code bit “0”.
msb
MSB
NRZI
Most Significant Bit
Most Significant Byte
Non Return to Zero Inverted. This encoding method inverts the signal for a
“1” and leaves the signal unchanged for a “0”
N/A
Not Applicable
NC
No Connect
OUI
Organizationally Unique Identifier
Refers to data output from the LAN9312 to the host
Program I/O cycle. An SRAM-like read or write cycle on the HBI.
Parallel In Serial Out
Outbound
PIO cycle
PISO
PLL
Phase Locked Loop
PTP
Precision Time Protocol
RESERVED
Refers to a reserved bit field or address. Unless otherwise noted, reserved
bits must always be zero for write operations. Unless otherwise noted, values
are not guaranteed when reading reserved bits. Unless otherwise noted, do
not read or write to reserved addresses.
RTC
SA
Real-Time Clock
Source Address
SFD
Start of Frame Delimiter - The 8-bit value indicating the end of the preamble
of an Ethernet frame.
SIPO
SMI
Serial In Parallel Out
Serial Management Interface
Signal Quality Error (also known as “heartbeat”)
Start of Stream Delimiter
SQE
SSD
UDP
User Datagram Protocol - A connectionless protocol run on top of IP
networks
UUID
Universally Unique IDentifier
16-bits
WORD
SMSC LAN9312
Revision 1.2 (04-08-08)
DATA1S7HEET
SMSC [ SMSC CORPORATION ]
