LAN9500 Datasheet, PDF (6/213 Pages) SMSC Corporation – USB 2.0 to 10/100 Ethernet Controller Promiscuous mode

LAN950x
2.0 INTRODUCTION
2.1 General Terms and Conventions
The following is a list of the general terms used in this document:
BYTE
CSR
DWORD
FIFO
Frame
FSM
GPIO
HOST
Level-Triggered Sticky Bit
LFSR
MAC
MII
N/A
Packet
POR
RESERVED
SCSR
SMI
TLI
URX
UTX
WORD
ZLP
8-bits
Control and Status Registers
32-bits
First In First Out buffer
In the context of this document, a frame refers to transfers on the Ethernet
interface.
Finite State Machine
General Purpose I/O
External system (Includes processor, application software, etc.)
This type of status bit is set whenever the condition that it represents is
asserted. The bit remains set until the condition is no longer true, and the
status bit is cleared by writing a zero.
Linear Feedback Shift Register
Media Access Controller
Media Independent Interface
Not Applicable
In the context of this document, a packet refers to transfers on the USB
interface.
Power on Reset.
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.
System Control and Status Registers
Serial Management Interface
Transaction Layer Interface
USB Bulk Out Packet Receiver
USB Bulk In Packet Transmitter
16-bits
Zero Length USB Packet
DS00001875A-page 6
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