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USB3503 数据表(PDF) 21 Page - SMSC Corporation

部件名 USB3503
功能描述  USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications
PDF  82 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB3503 数据表(HTML) 21 Page - SMSC Corporation

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USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications
Datasheet
SMSC USB3503A
21
Revision 1.1 (02-07-13)
DATASHEET
Figure 4.1 Modes of Operation Flowchart
Hub Communication Stage
(USB Traffic)
Hub Connect Stage
Hub Configuration Stage
Hub Wait RefClk Stage
Start
(SOC Set Pin RESET_N=0)
Host Enumerates and
Configures Hub
Host Initiates Data Transfers
to Downstream Devices
SOC Set Pin RESET_N=0
System to
power down
HSIC I/F
N
Y
Legend
Hub Mode
Standby
Mode
Hub Initialization Stage
Core Regulator Enabled
Power-On-Reset
PLL Synchronization
Timeout or
I2C Write
SP_ILOCK.
config_n=1
I2C Write
Wait for
I2C bit
SP_ILOCK.config_n=0
Timeout
SP_ILOCK.
config_n
0
1
REF_CLK available
N
Wait for
REF_CLK
Y
Wait for Pin
HUB_CONNECT=1
OR I2C bit
SP_ILOCK.connect_n=0



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