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USB4604 数据表(PDF) 15 Page - Microchip Technology |
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USB4604 数据表(HTML) 15 Page - Microchip Technology |
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15 / 62 page ![]() USB 2.0 HSIC Hi-Speed 4-Port Hub Controller Datasheet 2014 Microchip Technology Inc. DS00001716A-page 15 1 Downstream USB D+ (Port 3) USBDN3_DP AIO Downstream USB Port 3 D+ data signal. Port 3 D+ Disable Configuration Strap PRT_DIS_P3 IS This strap is used in conjunction with PRT_DIS_M3 to disable USB Port 3. 0 = Port 3 D+ Enabled 1 = Port 3 D+ Disabled Note: Both PRT_DIS_P3 and PRT_DIS_M3 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 3) USBDN3_DM AIO Downstream USB Port 3 D- data signal. Port 3 D- Disable Configuration Strap PRT_DIS_M3 IS This strap is used in conjunction with PRT_DIS_P3 to disable USB Port 3. 0 = Port 3 D- Enabled 1 = Port 3 D- Disabled Note: Both PRT_DIS_P3 and PRT_DIS_M3 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 4) USBDN4_DP AIO Downstream USB Port 4 D+ data signal. Port 4 D+ Disable Configuration Strap PRT_DIS_P4 IS This strap is used in conjunction with PRT_DIS_M4 to disable USB Port 4. 0 = Port 4 D+ Enabled 1 = Port 4 D+ Disabled Note: Both PRT_DIS_P4 and PRT_DIS_M4 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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