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USB3450 Datasheet(PDF) 25 Page - SMSC Corporation

Part # USB3450
Description  HI-SPEED USB HOST OR DEVICE PHY WITH UTMIINTERFACE
PDF  40 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB3450 Datasheet(HTML) 25 Page - SMSC Corporation

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Hi-Speed USB Host or Device PHY With UTMI+ Interface
Datasheet
SMSC USB3450
25
Revision 0.1 (05-11-05)
DATASHEET
■
RPU_DM_EN activates the 1.5kΩ DM pull-up resistor
■
RPD_DP_EN activates the 15kΩ DP pull-down resistor
■
RPD_DM_EN activates the 15kΩ DM pull-down resistor
■
HSTERM_EN activates the 45Ω DP and DM high speed termination resistors
Table 6.1 DP/DM termination vs. Signaling Mode
SIGNALING MODE
UTMI+ INTERFACE
SETTINGS
RESISTOR SETTINGS
General Settings
Tri-State Drivers
XXb
Xb
01b
Xb
0b
0b
0b
0b
0b
Power-up or Vbus < VSESSEND
01b
0b
00b
1b
0b
0b
1b
1b
0b
Host Settings
Host Chirp
00b
0b
10b
1b
0b
0b
1b
1b
1b
Host Hi-Speed
00b
0b
00b
1b
0b
0b
1b
1b
1b
Host Full Speed
X1b
1b
00b
1b
0b
0b
1b
1b
0b
Host HS/FS Suspend
01b
1b
00b
1b
0b
0b
1b
1b
0b
Host HS/FS Resume
01b
1b
10b
1b
0b
0b
1b
1b
0b
Host low Speed
10b
1b
00b
1b
0b
0b
1b
1b
0b
Host LS Suspend
10b
1b
00b
1b
0b
0b
1b
1b
0b
Host LS Resume
10b
1b
10b
1b
0b
0b
1b
1b
0b
Host Test J/Test_K
00b
0b
10b
1b
0b
0b
1b
1b
1b
Peripheral Settings
Peripheral Chirp
00b
1b
10b
0b
1b
0b
0b
0b
0b
Peripheral HS
00b
0b
00b
0b
0b
0b
0b
0b
1b
Peripheral FS
01b
1b
00b
0b
1b
0b
0b
0b
0b
Peripheral HS/FS Suspend
01b
1b
00b
0b
1b
0b
0b
0b
0b
Peripheral HS/FS Resume
01b
1b
10b
0b
1b
0b
0b
0b
0b
Peripheral LS
10b
1b
00b
0b
0b
1b
0b
0b
0b
Peripheral LS Suspend
10b
1b
00b
0b
0b
1b
0b
0b
0b
Peripheral LS Resume
10b
1b
10b
0b
0b
1b
0b
0b
0b
Peripheral Test J/Test K
00b
0b
10b
0b
0b
0b
0b
0b
1b



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