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USB4604 数据表(PDF) 13 Page - SMSC Corporation |
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USB4604 数据表(HTML) 13 Page - SMSC Corporation |
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13 / 71 page ![]() USB 2.0 HSIC Hi-Speed 4-Port Hub Controller Datasheet SMSC USB4604 13 Revision 1.0 (06-17-13) DATASHEET 1 Downstream USB D- (Swap Port 1) SWAP_USBDN1_DM AIO Downstream USB Port 1 D- data signal. Note: The downstream Port 1 signals can be optionally swapped with the upstream Port 0 signals. Port 1 D- Disable Configuration Strap PRT_DIS_M1 IS This strap is used in conjunction with PRT_DIS_P1 to disable USB Port 1. 0 = Port 1 D- Enabled 1 = Port 1 D- Disabled Note: Both PRT_DIS_P1 and PRT_DIS_M1 must be tied to VDD33 at reset to disable the associated port. See Note 3.3 for more information on configuration straps. 1 Downstream USB D+ (Port 2) USBDN2_DP AIO Downstream USB Port 2 D+ data signal. Port 2 D+ Disable Configuration Strap PRT_DIS_P2 IS This strap is used in conjunction with PRT_DIS_M2 to disable USB Port 2. 0 = Port 2 D+ Enabled 1 = Port 2 D+ Disabled Note: Both PRT_DIS_P2 and PRT_DIS_M2 must be tied to VDD33 at reset to disable the associated port. See Note 3.3 for more information on configuration straps. 1 Downstream USB D- (Port 2) USBDN2_DM AIO Downstream USB Port 2 D- data signal. Port 2 D- Disable Configuration Strap PRT_DIS_M2 IS This strap is used in conjunction with PRT_DIS_P2 to disable USB Port 2. 0 = Port 2 D- Enabled 1 = Port 2 D- Disabled Note: Both PRT_DIS_P2 and PRT_DIS_M2 must be tied to VDD33 at reset to disable the associated port. See Note 3.3 for more information on configuration straps. Table 3.1 Pin Descriptions (continued) NUM PINS NAME SYMBOL BUFFER TYPE DESCRIPTION |
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