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TUSB7340 Datasheet(PDF) 99 Page - Texas Instruments |
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TUSB7340 Datasheet(HTML) 99 Page - Texas Instruments |
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99 / 122 page  Table 8-164. 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. 8.3.4 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 8-165 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 Runtime Register Space Offset). Table 8-165. 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 8.3.4.1 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 8-166. HC Runtime Register (Runtime Base + 00h) Bit No. 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Reset State 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Bit No. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Table 8-167. 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. 8.3.4.2 Interrupter Management Register The TUSB73X0 implements 8 Interrupter Management Registers, one for each Interrupter implemented. Runtime Base register offset: 20h + (20h × Interrupter), where Interrupter = 0 through 7 www.ti.com TUSB7320, TUSB7340 SLLSE76Q – MARCH 2011 – REVISED MARCH 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 99 Product Folder Links: TUSB7320 TUSB7340 |
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