USB 2.0
Datasheet |
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4.3.1.11 | Register 0Ah: Port Disable For Self Powered Operation | |
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BIT |
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NUMBER | BIT NAME | DESCRIPTION |
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7:0 | PORT_DIS_SP | Port Disable |
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| is available, ‘1’ = port is disabled. |
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| During |
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| (PRTMAP_EN='0'), this selects the ports which will be permanently disabled, |
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| and are not available to be enabled or enumerated by a Host Controller. The |
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| ports can be disabled in any order, the internal logic will automatically report |
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| the correct number of enabled ports to the USB Host, and will reorder the |
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| active ports in order to ensure proper function. |
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| Bit 7= Reserved |
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| Bit 6= Reserved |
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| Bit 5= Reserved |
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| Bit 4= Reserved |
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| Bit 3= 1; Port 3 is disabled |
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| Bit 2= 1; Port 2 is disabled |
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| Bit 1= 1; Port 1 is disabled |
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| Bit 0 is Reserved, always = ‘0’ |
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4.3.1.12Register 0Bh: Port Disable For Bus Powered Operation
BIT |
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NUMBER | BIT NAME | DESCRIPTION |
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7:0 | PORT_DIS_BP | Port Disable |
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| is available, ‘1’ = port is disabled. |
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| During |
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| (PRTMAP_EN='0'), this selects the ports which will be permanently disabled, |
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| and are not available to be enabled or enumerated by a Host Controller. The |
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| ports can be disabled in any order, the internal logic will automatically report |
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| the correct number of enabled ports to the USB Host, and will reorder the |
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| active ports in order to ensure proper function. |
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| When using the internal default option, the PRT_DIS[1:0] pins will disable the |
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| appropriate ports. |
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| Bit 7= Reserved |
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| Bit 6= Reserved |
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| Bit 5= Reserved |
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| Bit 4= Reserved |
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| Bit 3= 1; Port 3 is disabled |
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| Bit 2= 1; Port 2 is disabled |
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| Bit 1= 1; Port 1 is disabled |
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| Bit 0 is Reserved, always = ‘0’ |
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SMSC USB2513 | 25 | Revision 1.98 |
| DATASHEET |
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