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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADATE320 датащи(PDF) 23 Page - Analog Devices |
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ADATE320 датащи(HTML) 23 Page - Analog Devices |
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23 / 83 page  ADATE320 Data Sheet Rev. B | Page 22 of 82 SCLK CS SDI SDO BUSY FROM PREVIOUS SPI INSTRUCTIONS CH[1:0] W ADDR[6:0] DATA[15:0] NOTE 1 NOTE 1 ACTIVE – OUTPUT IS THE PREVIOUS SPI WORD SHIFTED INTO SDI NOTES 1. IF THE SPI_SDO_HIZ CONTROL BIT (ADDR 0x12 [1]) IS HIGH, THE SDO PIN BECOMES ACTIVE FOLLOWING THE ASSERTION OF CS. IT BECOMES HIGH-Z FOLLOWING RELEASE OF CS. IF THE SPI_SDO_HIZ CONTROL BIT IS LOW, THE SDO PIN REMAINS ACTIVE INDEPENDENT OF CS. Figure 3. SPI Write Instruction Timing Diagram SCLK CS SDI SDO BUSY FROM PREVIOUS SPI INSTRUCTIONS CH[1:0] R ADDR[6:0] DATA[15:0] = DON’T CARE NOTE 1 NOTE 1 ACTIVE – OUTPUT IS THE PREVIOUS SPI WORD SHIFTED INTO SDI NOTES 1. IF THE SPI_SDO_HIZ CONTROL BIT (ADDR 0x12 [1]) IS HIGH, THE SDO PIN BECOMES ACTIVE FOLLOWING THE ASSERTION OF CS. IT BECOMES HIGH-Z FOLLOWING RELEASE OF CS. IF THE SPI_SDO_HIZ CONTROL BIT IS LOW, THE SDO PIN ALWAYS REMAINS ACTIVE INDEPENDENT OF CS. Figure 4. SPI Read Request Instruction Timing Diagram (Prior to Readout Instruction) |
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