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TE28F640J3D-75 Datasheet(PDF) 59 Page - Numonyx B.V |
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TE28F640J3D-75 Datasheet(HTML) 59 Page - Numonyx B.V |
59 / 68 page November 2007 Datasheet 308551-05 59 Numonyx™ Embedded Flash Memory (J3 v. D) 13.2 Query Structure Overview The Query command causes the flash component to display the Common Flash Interface (CFI) Query structure or “database.” The structure sub-sections and address locations are summarized below. See AP-646 Common Flash Interface (CFI) and Command Sets (order number 292204) for a full description of CFI. The following sections describe the Query structure sub-sections in detail. x8 mode N/A(1) N/A(1) 21: 51 “Q” 22: 52 “R” Note: 1. The system must drive the lowest order addresses to access all the device's array data when the device is configured in x8 mode. Therefore, word addressing, where these lower addresses are not toggled by the system, is "Not Applicable" for x8-configured devices. Table 33: Example of Query Structure Output of a x16- and x8-Capable Device Word Addressing Byte Addressing Offset Hex Code Value Offset Hex Code Value A15–A0 D15–D0 A7–A0 D7–D0 0010h 0051 “Q” 20h 51 “Q” 0011h 0052 “R” 21h 51 “Q” 0012h 0059 “Y” 22h 52 “R” 0013h P_IDLO PrVendor 23h 52 “R” 0014h P_IDHI ID # 24h 59 “Y” 0015h PLO PrVendor 25h 59 “Y” 0016h PHI TblAdr 26h P_IDLO PrVendor 0017h A_IDLO AltVendor 27h P_IDLO ID # 0018h A_IDHI ID # 28h P_IDHI ID # ... ... ... ... ... ... Table 32: Summary of Query Structure Output as a Function of Device and Mode Device Type/ Mode Query start location in maximum device bus width addresses Query data with maximum device bus width addressing Query data with byte addressing Hex Offset Hex Code ASCII Value Hex Offset Hex Code ASCII Value Table 34: Query Structure Offset Sub-Section Name Description Notes 00h Manufacturer Code 1 01h Device Code 1 (BA+2)h(2) Block Status Register Block-Specific Information 1,2 04-0Fh Reserved Reserved for Vendor-Specific Information 1 10h CFI Query Identification String Reserved for Vendor-Specific Information 1 1Bh System Interface Information Command Set ID and Vendor Data Offset 1 |
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