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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD8022ARMZ датащи(PDF) 32 Page - Analog Devices |
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AD8022ARMZ датащи(HTML) 32 Page - Analog Devices |
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32 / 75 page  VDDINT Programmable Regulator 1-12 ADSP-BF506F EZ-KIT Lite Evaluation System Manual VDDINT Programmable Regulator By default, the EZ-KIT Lite runs at 1.4V. The board contains a program- mable regulator that supplies the processor’s core with a voltage between 1.1 and 1.4. The voltage is adjusted by writing to the AD5258 digital potentiometer via the 2-wire interface (TWI) signals.Table 1-3 shows the appropriate step and corresponding voltage values. For an example of writing to the AD5258 potentiometer, refer to the POST example. For more information on the acceptable voltage/frequency values, refer to the ADSP-BF604/BF506(F) Blackfin Embedded Processor data sheet and ADSP-BF50x Blackfin Processor Hardware Reference manual. For more information about the digital potentiometer, refer to the AD5258 data sheet. Power Measurements Several locations are provided for measuring the current draw from vari- ous power planes. Precision 0.1 ohm shunt resistors are available on the VDDINT, VDDEXT, and VDDFLASH voltage domains. For current draw, the jumper is removed, voltage across the resistor can be measured Table 1-3. Table 5. Voltage Values Step Value Voltage (V) 57 1.10 46 1.15 36 1.20 27 1.25 18 1.30 10 1.35 31.40 |
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