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AM1808AZCED3 Datasheet(PDF) 186 Page - Texas Instruments |
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AM1808AZCED3 Datasheet(HTML) 186 Page - Texas Instruments |
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186 / 264 page  AM1808 SPRS653A – FEBRUARY 2010 – REVISED APRIL 2010 www.ti.com 6.21 Universal Serial Bus Host Controller (USB1) [USB1.1 OHCI] All the USB interfaces for this device are compliant with Universal Serial Bus Specifications, Revision 1.1. Table 6-92 is the list of USB Host Controller registers. Table 6-92. USB Host Controller Registers USB1 ACRONYM REGISTER DESCRIPTION BYTE ADDRESS 0x01E2 5000 HCREVISION OHCI Revision Number Register 0x01E2 5004 HCCONTROL HC Operating Mode Register 0x01E2 5008 HCCOMMANDSTATUS HC Command and Status Register 0x01E2 500C HCINTERRUPTSTATUS HC Interrupt and Status Register 0x01E2 5010 HCINTERRUPTENABLE HC Interrupt Enable Register 0x01E2 5014 HCINTERRUPTDISABLE HC Interrupt Disable Register 0x01E2 5018 HCHCCA HC HCAA Address Register(1) 0x01E2 501C HCPERIODCURRENTED HC Current Periodic Register(1) 0x01E2 5020 HCCONTROLHEADED HC Head Control Register(1) 0x01E2 5024 HCCONTROLCURRENTED HC Current Control Register(1) 0x01E2 5028 HCBULKHEADED HC Head Bulk Register(1) 0x01E2 502C HCBULKCURRENTED HC Current Bulk Register(1) 0x01E2 5030 HCDONEHEAD HC Head Done Register(1) 0x01E2 5034 HCFMINTERVAL HC Frame Interval Register 0x01E2 5038 HCFMREMAINING HC Frame Remaining Register 0x01E2 503C HCFMNUMBER HC Frame Number Register 0x01E2 5040 HCPERIODICSTART HC Periodic Start Register 0x01E2 5044 HCLSTHRESHOLD HC Low-Speed Threshold Register 0x01E2 5048 HCRHDESCRIPTORA HC Root Hub A Register 0x01E2 504C HCRHDESCRIPTORB HC Root Hub B Register 0x01E2 5050 HCRHSTATUS HC Root Hub Status Register 0x01E2 5054 HCRHPORTSTATUS1 HC Port 1 Status and Control Register(2) 0x01E2 5058 HCRHPORTSTATUS2 HC Port 2 Status and Control Register(3) (1) Restrictions apply to the physical addresses used in these registers. (2) Connected to the integrated USB1.1 phy pins (USB1_DM, USB1_DP). (3) Although the controller implements two ports, the second port cannot be used. Table 6-93. Switching Characteristics Over Recommended Operating Conditions for USB1 [USB1.1] 1.3V, 1.2V, 1.1V, 1.0V NO. PARAMETER LOW SPEED FULL SPEED UNIT MIN MAX MAX MAX U1 tr Rise time, USB.DP and USB.DM signals(1) 75(1) 300(1) 4(1) 20(1) ns U2 tf Fall time, USB.DP and USB.DM signals(1) 75(1) 300(1) 4(1) 20(1) ns U3 tRFM Rise/Fall time matching(2) 80(2) 120(2) 90(2) 110(2) % U4 VCRS Output signal cross-over voltage(1) 1.3(1) 2(1) 1.3(1) 2(1) V U5 tj Differential propagation jitter(3) -25(3) 25(3) -2(3) 2(3) ns U6 fop Operating frequency(4) 1.5 12 MHz (1) Low Speed: CL = 200 pF. High Speed: CL = 50pF (2) tRFM =( tr/tf ) x 100 (3) t jr = t px(1) - tpx(0) (4) fop = 1/tper 186 Peripheral Information and Electrical Specifications Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): AM1808 |
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