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  | List of Tables | 
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1  | USB Host Controller Registers | 12  | 
2  | OHCI Revision Number Register (HCREVISION) Field Descriptions  | 13  | 
3  | HC Operating Mode Register (HCCONTROL) Field Descriptions  | 14  | 
4  | HC Command and Status Register (HCCOMMANDSTATUS) Field Descriptions  | 15  | 
5  | HC Interrupt and Status Register (HCINTERRUPTSTATUS) Field Descriptions  | 16  | 
6  | HC Interrupt Enable Register (HCINTERRUPTENABLE) Field Descriptions  | 17  | 
7  | HC Interrupt Disable Register (HCINTERRUPTDISABLE) Field Descriptions  | 18  | 
8  | HC HCAA Address Register (HCHCCA) Field Descriptions | 19  | 
9  | HC Current Periodic Register (HCPERIODCURRENTED) Field Descriptions  | 19  | 
10  | HC Head Control Register (HCCONTROLHEADED) Field Descriptions  | 20  | 
11  | HC Current Control Register (HCCONTROLCURRENTED) Field Descriptions  | 21  | 
12  | HC Head Bulk Register (HCBULKHEADED) Field Descriptions  | 22  | 
13  | HC Current Bulk Register (HCBULKCURRENTED) Field Descriptions  | 22  | 
14  | HC Head Done Register (HCDONEHEAD) Field Descriptions  | 23  | 
15  | HC Frame Interval Register (HCFMINTERVAL) Field Descriptions  | 23  | 
16  | HC Frame Remaining Register (HCFMREMAINING) Field Descriptions  | 24  | 
17  | HC Frame Number Register (HCFMNUMBER) Field Descriptions  | 24  | 
18  | HC Periodic Start Register (HCPERIODICSTART) Field Descriptions  | 25  | 
19  | HC   | 26  | 
20  | HC Root Hub A Register (HCRHDESCRIPTORA) Field Descriptions  | 27  | 
21  | HC Root Hub B Register (HCRHDESCRIPTORB) Field Descriptions  | 28  | 
22  | HC Root Hub Status Register (HCRHSTATUS) Field Descriptions  | 29  | 
23  | HC Port 1 Status and Control Register (HCRHPORTSTATUS1) Field Descriptions  | 30  | 
24  | HC Port 2 Status and Control Register (HCRHPORTSTATUS2) Field Descriptions  | 32  | 
 | List of Tables  | 5  | 
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