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XIO2001IPNP Arkusz danych(PDF) 84 Page - Texas Instruments |
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XIO2001IPNP Arkusz danych(HTML) 84 Page - Texas Instruments |
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84 / 131 page ![]() XIO2001 SCPS212D – MAY 2009 – REVISED JANUARY 2010 www.ti.com 4.71 Arbiter Time-Out Status Register The arbiter time-out status register contains the status of each request (request 5–0) time-out. The time-out status bit for the respective request is set if the device did not assert FRAME after the arbiter time-out value. See Table 4-45 for a complete description of the register contents. PCI register offset: DEh Register type: Read/Clear Default value: 00h BIT NUMBER 7 6 5 4 3 2 1 0 RESET STATE 0 0 0 0 0 0 0 0 Table 4-45. Arbiter Time-Out Status Register Description BIT FIELD NAME ACCESS DESCRIPTION 7:6 RSVD R Reserved. Returns 00b when read. 5 REQ5_TO RCU Request 5 Time Out Status 0 = No time-out 1 = Time-out has occurred 4 REQ4_TO RCU Request 4 Time Out Status 0 = No time-out 1 = Time-out has occurred 3 REQ3_TO RCU Request 3 Time Out Status 0 = No time-out 1 = Time-out has occurred 2 REQ2_TO RCU Request 2 Time Out Status 0 = No time-out 1 = Time-out has occurred 1 REQ1_TO RCU Request 1Time Out Status 0 = No time-out 1 = Time-out has occurred 0 REQ0_TO RCU Request 0 Time Out Status 0 = No time-out 1 = Time-out has occurred 4.72 Serial IRQ Mode Control Register This register controls the behavior of the serial IRQ controller. See Table 4-46 for a complete description of the register contents. PCI register offset: E0h Register type: Read-only, Read/Write Default value: 00h BIT NUMBER 7 6 5 4 3 2 1 0 RESET STATE 0 0 0 0 0 0 0 0 84 Classic PCI Configuration Space Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): XIO2001 |
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