USB3503 Datasheet, PDF (10/82 Pages) SMSC Corporation – USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications

1.1.1 Block Diagram
USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications
Datasheet
RESET_N
Upstream HSIC
To I2C Master
Port
VBAT
VDD_CORE_REG
SDA SCL INT_N
VDD33_BYP ^VDD12_BYP
Mode
Control
-
Standby
Hub Mode
Upstream
HSIC
3.3V Reg
1.2V Reg
SIE
Repeater
Serial
Interface
Controller
TT #1 TT #2 TT #3
Port Controller
Routing & Port Re-Ordering Logic
PHY#3
PHY#2
PHY#1
PLL
USB Data
Downstream
USB Data
Downstream
USB Data
Downstream
REF_CLK HUB_CONNECT
Figure 1.1 USB3503 Block Diagram
SMSC USB3503A
10
DATASHEET
Revision 1.1 (02-07-13)