USB3450 Standard Microsystems Corporation, USB3450 Datasheet - Page 25

• Manufacturer Part Number: USB3450
• Description: Hi-speed USB HOST OR Device PHY WITH Utmi+interface
• Manufacturer: Standard Microsystems Corporation

Hi-Speed USB Host or Device PHY With UTMI+ Interface
Datasheet
SMSC USB3450
SIGNALING MODE
General Settings
Tri-State Drivers
Power-up or Vbus < V
Host Settings
Host Chirp
Host Hi-Speed
Host Full Speed
Host HS/FS Suspend
Host HS/FS Resume
Host low Speed
Host LS Suspend
Host LS Resume
Host Test J/Test_K
Peripheral Settings
Peripheral Chirp
Peripheral HS
Peripheral FS
Peripheral HS/FS Suspend
Peripheral HS/FS Resume
Peripheral LS
Peripheral LS Suspend
Peripheral LS Resume
Peripheral Test J/Test K
■
■
■
■
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
SESSEND
Table 6.1 DP/DM termination vs. Signaling Mode
DATASHEET
XXb
X1b
01b
00b
00b
01b
01b
10b
10b
10b
00b
00b
00b
01b
01b
01b
10b
10b
10b
00b
UTMI+ INTERFACE
25
SETTINGS
Xb
0b
0b
0b
1b
1b
1b
1b
1b
1b
0b
1b
0b
1b
1b
1b
1b
1b
1b
0b
01b
00b
10b
00b
00b
10b
00b
00b
10b
10b
10b
00b
00b
00b
10b
00b
00b
10b
10b
00b
Xb
1b
1b
1b
1b
1b
1b
1b
1b
1b
1b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
1b
0b
1b
1b
1b
0b
0b
0b
0b
RESISTOR SETTINGS
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
1b
1b
1b
0b
Revision 0.1 (05-11-05)
0b
1b
1b
1b
1b
1b
1b
1b
1b
1b
1b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
1b
1b
1b
1b
1b
1b
1b
1b
1b
1b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
1b
1b
0b
0b
0b
0b
0b
0b
1b
0b
1b
0b
0b
0b
0b
0b
0b
1b