LAN9500 Datasheet, PDF (7/213 Pages) SMSC Corporation – USB 2.0 to 10/100 Ethernet Controller Promiscuous mode

2.2 Block Diagram
FIGURE 2-1:
LAN950X BLOCK DIAGRAM
LAN950x
USB
USB
PHY
USB 2.0
Device
Controller
FIFO
Controller
JTAG
TAP
Controller
LAN950x
SRAM
10/100
Ethernet
MAC
Ethernet
PHY
Ethernet
MII: To optional
external PHY
EEPROM
Controller
EEPROM
FIGURE 2-2:
LAN950X SYSTEM DIAGRAM
CPM
RAM
7Kx32
Reg
File
32x37
TAP
Controller
USB
PHY
8-bit
60 MHz
UTMI+
M
UDC
U
X
USB
Common
Block
URX
UTX
CTL
FCT
TLI
Reg
File
128x32
SCSR
Reg
File
512x37
MAC
ETH
PHY
EEPROM
Controller
 2010 - 2015 Microchip Technology Inc.
DS00001875A-page 7