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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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XIO2001IPNP Arkusz danych(PDF) 67 Page - Texas Instruments |
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XIO2001IPNP Arkusz danych(HTML) 67 Page - Texas Instruments |
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67 / 141 page  67 XIO2001 www.ti.com SCPS212I – MAY 2009 – REVISED JANUARY 2016 Product Folder Links: XIO2001 Submit Documentation Feedback Copyright © 2009–2016, Texas Instruments Incorporated Table 36. Device Control Register Description (continued) BIT FIELD NAME ACCESS DESCRIPTION 1 NFERE RW Nonfatal error reporting enable. If this bit is set, then the bridge is enabled to send ERR_NONFATAL messages to the root complex when a system error event occurs. 0 = Do not report nonfatal errors to the root complex (default) 1 = Report nonfatal errors to the root complex 0 CERE RW Correctable error reporting enable. If this bit is set, then the bridge is enabled to send ERR_COR messages to the root complex when a system error event occurs. 0 = Do not report correctable errors to the root complex (default) 1 = Report correctable errors to the root complex 8.4.52 Device Status Register The device status register provides PCI Express device specific information to the system. See Table 37 for a complete description of the register contents. PCI register offset: 7Ah Register type: Read-only Default value: 0000h BIT NUMBER 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 37. Device Status Register Description BIT FIELD NAME ACCESS DESCRIPTION 15:6 RSVD R Reserved. Returns 00 0000 0000b when read. 5 PEND RU Transaction pending. This bit is set when the bridge has issued a non-posted transaction that has not been completed. 4 APD RU AUX power detected. This bit indicates that AUX power is present. 0 = No AUX power detected 1 = AUX power detected 3 URD RCU Unsupported request detected. This bit is set by the bridge when an unsupported request is received. 2 FED RCU Fatal error detected. This bit is set by the bridge when a fatal error is detected. 1 NFED RCU Nonfatal error detected. This bit is set by the bridge when a nonfatal error is detected. 0 CED RCU Correctable error detected. This bit is set by the bridge when a correctable error is detected. 8.4.53 Link Capabilities Register The link capabilities register indicates the link specific capabilities of the bridge. See Table 38 for a complete description of the register contents. PCI register offset: 7Ch Register type: Read-only Default value: 000Y XC11h BIT NUMBER 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 1 y y BIT NUMBER 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 RESET STATE y x x x 1 1 0 0 0 0 0 1 0 0 0 1 |
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