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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M306V2EEFS датащи(PDF) 75 Page - Renesas Technology Corp |
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M306V2EEFS датащи(HTML) 75 Page - Renesas Technology Corp |
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75 / 271 page  Rev.1.40 Oct 06, 2004 page 75 of 269 M306V2ME-XXXFP, M306V2EEFP BCLK Address bus RD signal WR signal Data bus CPU use CPU use CPU use CPU use Source Source Destination Destination Dummy cycle Dummy cycle (1) 8-bit transfers 16-bit transfers from even address and the source address is even. BCLK Address bus RD signal WR signal Data bus CPU use CPU use CPU use CPU use Source Source Destination Destination Dummy cycle Dummy cycle (3) One wait is inserted into the source read under the conditions in (1) BCLK Address bus RD signal WR signal Data bus CPU use CPU use CPU use CPU use Source Source Destination Destination Dummy cycle Dummy cycle Source + 1 Source + 1 (2) 16-bit transfers and the source address is odd Transferring 16-bit data on an 8-bit data bus (In this case, there are also two destination write cycles). BCLK Address bus RD signal WR signal Data bus CPU use CPU use CPU use CPU use Source Source Destination Destination Dummy cycle Dummy cycle Source + 1 Source + 1 (4) One wait is inserted into the source read under the conditions in (2) (When 16-bit data is transferred on an 8-bit data bus, there are two destination write cycles). Note: The same timing changes occur with the respective conditions at the destination as at the source. Figure 2.9.8 Example of the transfer cycles for a source read |
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