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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M7020R датащи(PDF) 34 Page - STMicroelectronics |
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M7020R датащи(HTML) 34 Page - STMicroelectronics |
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34 / 150 page  M7020R 34/150 – Cycle 2: The host ASIC drives the DQ[67:0] with the data to be written to the data array or mask array location of the selected device. The M7020R writes the data from the DQ[67:0] Bus only to the subfield that has the corresponding mask bit set to '1' in the global mask register specified by the index CMD[5:3] and supplied in Cycle 1. – Cycles 3 to n + 1: The host ASIC drives the DQ[67:0] with the data to be written to the next data array or mask array location (addressed by the auto-increment ADR field of the WBURREG register) of the selected device. The M7020R writes the data on the DQ[67:0] Bus only to the subfield that has the correspond- ing mask bit set to '1' in the global mask register specified by the index CMD[5:3] and supplied in Cycle 1. The M7020R drives the EOT signal low from Cycle 3 to Cycle n; the M7020R drives the EOT signal high in Cycle n + 1 (n is specified in the BLEN field of the WBURREG). – Cycle n + 2: The M7020R drives the EOT signal low. At the termination of the Cycle n + 2, the M7020R floats the EOT signal to a 3-state, and a new instruction can begin. Figure 17. Single Location WRITE Cycle Timing Cycle 1 Cycle 2 Cycle 3 Cycle 4 Cycle 0 CLK2X CMDV CMD[1:0] DQ PHS_L AI04284 Write CMD[8:2] B A Address Data X |
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