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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX17843ACB датащи(PDF) 84 Page - Maxim Integrated Products |
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MAX17843ACB датащи(HTML) 84 Page - Maxim Integrated Products |
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84 / 131 page  ALU Diagnostic TheALU diagnostic utilizes theADC test mode (ADCTSTEN = 1) to feed data from specific test registers directly into the ALU instead of from the ADC conversion. The host can write different data combinations to the test registers in this mode to provide test coverage for all ALU and data registers (CELLn, VBLKP, DIAG, and AUXINn), as well as all alerts that are based on the measurement data and the corresponding thresholds (e.g., overvoltage alerts). The ADCTEST1n registers are used for all odd-numbered samples in oversampling mode, as well as in single-sample acquisitions. The ADCTEST2n registers are used for all even-numbered samples (in oversampling mode). The A registers are used in lieu of the first conversion of each measurement and the B registers are used in lieu of the second conversion. After the acquisition, the host can read the measurement data registers and the alert registers and compare the data to expected values to verify the ALU functionality. Figure 55. ALU Diagnostic ADC BLOCK ALU ALU1 ALUn ALU12 ALU REGISTERS VBLOCK REGISTER CELL1 REGISTER CELLn REGISTER CELL12 REGISTER USER REGISTER MAP DATAMOVE TRIGGER ADC IN - ADC IN + 12 12 ADCTSTEN 12 14 14 14 14 ADCTEST1A[11:0] 12 ADCTEST1B[11:0] 12 12 ADC_CHOP ADCTEST2A[11:0] 12 ADCTEST2B[11:0] 12 OVSAMP_EVEN_ODD UART COMMUNICATION AIN2 REGISTER AIN1 REGISTER 12 12 DIAG ALU DIAG REGISTER 14 MAX17843 12-Channel, High-Voltage Smart Sensor Data-Acquisition Interface www.maximintegrated.com Maxim Integrated │ 84 |
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