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TMS320C6747 DSP manual Users Guide
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TMS320C6747 DSP
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Specs
2.1 USB1 Module Clock and Reset
HC Command and Status Register HCCOMMANDSTATUS
Port 1 port power status/set port power. The host controller driver can write a 1 to this bit to set the
HC Interrupt Enable Register HCINTERRUPTENABLE
USB Host Controller Access to System Memory
HC Operating Mode Register HCCONTROL
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TMS320C6747 DSP
Universal Serial Bus (USB)
OHCI Host Controller
User's Guide
Literature Number: SPRUFM8
September 2008
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Contents
TMS320C6747 DSP Universal Serial Bus USB OHCI Host Controller
Users Guide
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SPRUFM8-September
Contents
List of Figures
USB Host Controller Registers
List of Tables
HC HCAA Address Register HCHCCA Field Descriptions
Preface
Read This First
About This Manual
Notational Conventions
Users Guide
Universal Serial Bus OHCI Host Controller
1 Introduction
1.1 Purpose of the Peripheral
2.1.2 USB1 Module Local Bus Clock and Local Reset
2.1 USB1 Module Clock and Reset
2 Architecture
2.1.1 Internal System Bus Clocks Needed by the USB1 Module
2.3.1 Power Switching Output Pins Not Supported
2.3 USB1 Module Differences From OHCI Specification for USB
2.3.2 Overcurrent Protection Input Pins Not Supported
2.2 USB1 Module Open Host Controller Interface Functionality
2.4.1 USB Host Controller Endpoint Descriptor ED List Head Pointers
2.4 Implementation of OHCI Specification for USB
2.4.2 OHCI USB Suspend State
2.5 OHCI Interrupts
2.6 USB Host Controller Access to System Memory
2.7 Physical Addressing
Figure 1. Relationships Between Virtual Address Physical Address
Table 1. USB Host Controller Registers
3 Registers
Figure 3. HC Operating Mode Register HCCONTROL
3.2 HC Operating Mode Register HCCONTROL
3.1 OHCI Revision Number Register HCREVISION
Figure 2. OHCI Revision Number Register HCREVISION
Field
Table 3. HC Operating Mode Register HCCONTROL Field Descriptions
Value
Description
Figure 4. HC Command and Status Register HCCOMMANDSTATUS
3.3 HC Command and Status Register HCCOMMANDSTATUS
Field
Value
Figure 5. HC Interrupt and Status Register HCINTERRUPTSTATUS
3.4 HC Interrupt and Status Register HCINTERRUPTSTATUS
Registers
Field
Figure 6. HC Interrupt Enable Register HCINTERRUPTENABLE
3.5 HC Interrupt Enable Register HCINTERRUPTENABLE
Field
Value Description
Figure 7. HC Interrupt Disable Register HCINTERRUPTDISABLE
3.6 HC Interrupt Disable Register HCINTERRUPTDISABLE
Registers
Field
3.8 HC Current Periodic Register HCPERIODCURRENTED
3.7 HC HCAA Address Register HCHCCA
Figure 8. HC HCAA Address Register HCHCCA
Table 8. HC HCAA Address Register HCHCCA Field Descriptions
Figure 10. HC Head Control Register HCCONTROLHEADED
3.9 HC Head Control Register HCCONTROLHEADED
Table 10. HC Head Control Register HCCONTROLHEADED Field Descriptions
Registers
Figure 11. HC Current Control Register HCCONTROLCURRENTED
3.10 HC Current Control Register HCCONTROLCURRENTED
Field
Description
3.12 HC Current Bulk Register HCBULKCURRENTED
3.11 HC Head Bulk Register HCBULKHEADED
Figure 12. HC Head Bulk Register HCBULKHEADED
Table 12. HC Head Bulk Register HCBULKHEADED Field Descriptions
3.14 HC Frame Interval Register HCFMINTERVAL
3.13 HC Head Done Register HCDONEHEAD
Figure 14. HC Head Done Register HCDONEHEAD
Table 14. HC Head Done Register HCDONEHEAD Field Descriptions
3.16 HC Frame Number Register HCFMNUMBER
3.15 HC Frame Remaining Register HCFMREMAINING
Figure 16. HC Frame Remaining Register HCFMREMAINING
Figure 17. HC Frame Number Register HCFMNUMBER
Figure 18. HC Periodic Start Register HCPERIODICSTART
3.17 HC Periodic Start Register HCPERIODICSTART
Field
Value
Figure 19. HC Low-Speed Threshold Register HCLSTHRESHOLD
3.18 HC Low-Speed Threshold Register HCLSTHRESHOLD
Registers
Field
Figure 20. HC Root Hub A Register HCRHDESCRIPTORA
3.19 HC Root Hub A Register HCRHDESCRIPTORA
Table 20. HC Root Hub A Register HCRHDESCRIPTORA Field Descriptions
Field
Figure 21. HC Root Hub B Register HCRHDESCRIPTORB
3.20 HC Root Hub B Register HCRHDESCRIPTORB
Table 21. HC Root Hub B Register HCRHDESCRIPTORB Field Descriptions
Registers
Figure 22. HC Root Hub Status Register HCRHSTATUS
3.21 HC Root Hub Status Register HCRHSTATUS
Table 22. HC Root Hub Status Register HCRHSTATUS Field Descriptions
Field
Figure 23. HC Port 1 Status and Control Register HCRHPORTSTATUS1
3.22 HC Port 1 Status and Control Register HCRHPORTSTATUS1
Registers
Field
Field
Port 1 port power status/set port power. The host controller driver can write a 1 to this bit to set the
Description
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Figure 24. HC Port 2 Status and Control Register HCRHPORTSTATUS2
3.23 HC Port 2 Status and Control Register HCRHPORTSTATUS2
Registers
Field
Description
Field
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IMPORTANT NOTICE
Applications
