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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TLC3544CPWR датащи(PDF) 27 Page - Texas Instruments |
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TLC3544CPWR датащи(HTML) 27 Page - Texas Instruments |
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27 / 40 page  TLC3544, TLC3548 5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS SLAS266C – OCTOBER 2000 – REVISED MAY 2003 27 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 conversion operation (continued) 1st Sweep 1st FIFO Read Configure 2nd FIFO Read *** CH0 CH1 CH2 CH3 CH0 * * * * * Hi-Z *** Command = Configure Write for Mode 10, FIFO Threshold = 1/2 Full, Sweep Sequence: 0–1–2–3 ** COMMAND = Select Any Channel * COMMAND = Read FIFO ** ** ** ** ** ** ** ** Conversion From CH0 Conversion From CH3 Conversion From CH0 Conversion From CH3 2nd Sweep Using Existing Configuration Read FIFO After FIFO Threshold Is Hit CS FS SDI INT SDO Don’t Care Figure 17. Mode 10, FS Initiates Operations 1st Sweep 1st FIFO Read Configure 2nd FIFO Read Hi-Z *** Command = Configure Write for Mode 10, FIFO Threshold = 1/2 Full, Sweep Sequence: 0–0–2–2 ** COMMAND = Select Any Channel * COMMAND = Read FIFO Conversion From CH0 Conversion From CH2 Conversion From CH0 Conversion From CH2 2nd Sweep Using Existing Configuration Read FIFO After FIFO Threshold Is Hit, FS Initiates Select Period CS Tied to Low FS SDI INT *** CH0 CH0 CH2 CH2 CH0 * * * * * ** SDO ** CSTART Don’t Care Figure 18. Mode 10, CSTART Initiates Operations START 2nd Round SWEEP CONVERSION, the DATA of the 1st Round Are Lost CS FS=High SDI INT SDO READ the DATA of 2nd Sweep From FIFO CH1 CH3 CH2 CH0 START 2nd Sweep conversion immediately (NO FIFO READ) after the 1st SWEEP completed. *** *** Command = Configure Write for Mode 11, FIFO Threshold = 1/2 Full, Sweep Sequence: 0–1–2–3 ** COMMAND = Select Any Channel * COMMAND = Read FIFO ** ** ** ** ** ** ** ** * * * * ** Configure Conversion From CH0 Conversion From CH3 Conversion From CH3 Conversion From CH0 Conversion From CH0 Don’t Care Figure 19. Mode 11, CS Initiates Operations |
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