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TUSB7320 датащи(PDF) 80 Page - Texas Instruments |
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TUSB7320 датащи(HTML) 80 Page - Texas Instruments |
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80 / 115 page ![]() TUSB7320, TUSB7340 SLLSE76J – MARCH 2011 – REVISED MAY 2012 www.ti.com 6.3.2 USB Command Register This register indicates the command to be executed by the TUSB73X0. Operational Base register offset:00h Register type:Read-Only,Read/Write Default value: 0000 0000h Table 6-17. HC Operational Register (Operational Base + 00h) Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 No. Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 State Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 No. Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 State Table 6-18. USB Command Register Description Bit Field Name Access Description 31:12 RSVD r Reserved. Returns zeros when read. 11 EU3S rw Enable U3 MFINDEX Stop 10 EWE rw Enable Wrap Event 9 CRS rw Controller Restore State 8 CSS rw Controller Save State 7 LHCRST rw Light Host Controller Reset 6:4 RSVD r Reserved. Returns zeros when read. 3 HSEE rw Host System Error Enable 2 INTE rw Interrupter Enable 1 HCRST rw Host Controller Reset 0 R/S rw Run/Stop. 6.3.3 USB Status Register This register indicates pending interrupts and various states of the TUSB73X0. Operational Base register offset:04h Register type:Read-Only, Read/Clear Default value: 0000 0801h Table 6-19. HC Operational Register (Operational Base + 04h) Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 No. Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 State Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 No. Reset 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 State 80 xHCI MEMORY MAPPED REGISTER SPACE Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TUSB7320 TUSB7340 |
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