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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TUSB7320 датащи(PDF) 73 Page - Texas Instruments |
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TUSB7320 датащи(HTML) 73 Page - Texas Instruments |
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73 / 115 page  TUSB7320, TUSB7340 www.ti.com SLLSE76J – MARCH 2011 – REVISED MAY 2012 5.13 Device Serial Number Register This read-only register identifies the Device Serial Number for the TUSB73x0. The Device Serial Number is in the format of an IEEE defined 64-bit extended unique identifier (EUI-64). The EUI-64 consists of TI’s 24-bit company ID (called an OUI-24) plus a 40 bit extension identifier. TI’s OUI-24 is 080028h and is hardwired into bits 63:40 of the Device Serial Number Register. The TUSB73x0 has been assigned the range of 00 0000 0000h to 00 0FFF FFFFh for the 40-bit extension identifier. As such, bits 39:32 of the Device Serial Number Register are hardwired to 00h, and bits 31:0 of the Device Serial Number Register are defined by a value unique for each device. PCI Express Extended Register Offset: 154h Register type:Read-Only Default value: 0800 2800 XXXX XXXX h Table 5-19. Device Serial Number Register Bit 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 No. Reset 0 0 0 0 1 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 1 0 1 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 X X X X X X X X X X X X X X X X State Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 No. Reset X X X X X X X X X X X X X X X X State Table 5-20. Bit Descriptions - Device Serial Number Register(1) Bit Field Name Access Description Serial Number – Upper DW. The upper DW of the Serial Number is 63:32 SERIAL_NUM_UPPER r hardwired to 0800 2800h. Serial Number – Lower DW. The lower DW of the Serial Number is 31:0 SERIAL_NUM_LOWER r unique for each device. (1) Bits marked with † are reset by a PCI Express reset (PERST#), a GRST#, or the internally-generated power-on reset Copyright © 2011–2012, Texas Instruments Incorporated PCI EXPRESS EXTENDED CONFIGURATION SPACE 73 Submit Documentation Feedback Product Folder Link(s): TUSB7320 TUSB7340 |
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