USB 2.0 High-Speed 3-Port Hub Controller
Datasheet
Chapter 2 Block Diagram
To Upstream
V
BUS
Upstream USB
Data
3.3V
24 MHz Crystal
To EEPROM or
SMBus Master
1.8V
SD
SCK
PLL
Bus-Power
Detect/V
BUS
Pulse
Upstream
PHY
1.8V Reg
Serial
Interface
Repeater
SIE
Controller
TT #1
TT #2
TT #3
Port
Controller
Routing & Port Re-Ordering Logic
Port #1
PHY#1
OC
Sense
Switch
Driver
LED
Drivers
Port #2
PHY#2
OC
Sense
Switch
Driver
LED
Drivers
Port #3
PHY#3
OC
Sense
Switch
Driver
LED
Drivers
USB Data
OC Sense
Downstream Switch/LED
Drivers
USB Data
OC Sense
Downstream Switch/LED
Drivers
USB Data
OC Sense
Downstream Switch/LED
Drivers
Figure 2.1 USB2513 Block Diagram
Revision 1.98 (11-19-07)
8
SMSC USB2513
DATASHEET
SMSC [ SMSC CORPORATION ]
