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TUSB7320 датащи(PDF) 90 Page - Texas Instruments |
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TUSB7320 датащи(HTML) 90 Page - Texas Instruments |
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90 / 115 page ![]() TUSB7320, TUSB7340 SLLSE76J – MARCH 2011 – REVISED MAY 2012 www.ti.com Table 6-49. Event Ring Segment Table Base Address Register Description Bit Field Name Access Description 63:4 ERST_BASE rw Event Ring Segment Table Base Address. 3:0 RSVD r Reserved. Returns zeros when read. 6.4.6 Event Ring Dequeue Pointer Register The TUSB73X0 implements 8 Event Ring Dequeue Pointer Registers, one for each Interrupter implemented. Runtime Base register offset:38h + (20h*Interrupter), where Interrupter = 0 through 7 Register type:Read/Write, Read/Clear Default value: 0000 0000 0000 0000h Table 6-50. HC Runtime Register (Runtime Base + 38h + (20h*Interrupter)), where Interrupter = 0 through 7 Bit 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 No. Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 State Bit 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 No. Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 State 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 6-51. Event Ring Dequeue Pointer Register Description Bit Field Name Access Description 64:4 ERDP rw Event Ring Dequeue Pointer. 3 EHB rc Event Handler Busy. 2:0 DESI rw Dequeue ERST Segment Index. 90 xHCI MEMORY MAPPED REGISTER SPACE Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TUSB7320 TUSB7340 |
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