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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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TUSB7320 bảng dữ liệu(PDF) 87 Page - Texas Instruments |
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TUSB7320 bảng dữ liệu(HTML) 87 Page - Texas Instruments |
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87 / 115 page  TUSB7320, TUSB7340 www.ti.com SLLSE76J – MARCH 2011 – REVISED MAY 2012 Table 6-38. Port Link Info Register Description Bit Field Name Access Description 31:16 RSVD r Reserved. Returns zeros when read. 15:0 LINK_ERROR_COUNT r Link Error Count. 6.4 Host Controller Runtime Registers These registers are used to read the current microframe and to control the interrupters of the TUSB73X0. The offset in Table 6-39 is from the Runtime Base, which is the address programmed into the Base Address Register 0 plus the value programmed into the Runtime Register Space Offset (see Section 6.2.8). Table 6-39. Host Controller Runtime Register Map Register Name Offset Microframe Index 00h Reserved 04h-1Fh Interrupter Register Set 0 20h-3Fh Interrupter Register Set 1 40h-5Fh Interrupter Register Set 2 60h-7Fh Interrupter Register Set 3 80h-9Fh Interrupter Register Set 4 A0h-BFh Interrupter Register Set 5 C0h-DFh Interrupter Register Set 6 E0h-FFh Interrupter Register Set 7 100h-11Fh 6.4.1 Microframe Index Register This register is used by the system software to determine the current periodic frame. The register value is incremented every 125 microseconds. Runtime Base register offset:00h Register type:Read-Only Default value: 0000 0000h Table 6-40. HC Runtime Register (Runtime 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 6-41. Microframe Index Register Description Bit Field Name Access Description 31:14 RSVD r Reserved. Returns zeros when read. 13:0 MICROFRAME_IDX r Microframe Index. Copyright © 2011–2012, Texas Instruments Incorporated xHCI MEMORY MAPPED REGISTER SPACE 87 Submit Documentation Feedback Product Folder Link(s): TUSB7320 TUSB7340 |
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