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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX17823H датащи(PDF) 58 Page - Maxim Integrated Products |
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MAX17823H датащи(HTML) 58 Page - Maxim Integrated Products |
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58 / 129 page  Diagnostics Built-in diagnostics support ISO 26262 (ASIL) require- ments by detecting specific fault conditions, as shown in Table 30. The device automatically performs some of the diagnostics while the host performs others during initial- ization (e.g., at key-on), or periodically during operation, as required by the application. Diagnostics performed automatically by the device are previously described in the relevant functional sections. A description of the diag- nostics requiring specific configurations are provided in this section. Table 30. Summary of Built-In Diagnostics Table 29. READDEVICE Sequencing *If alive-counter mode is enabled. DIAGNOSTICS PERFORMED AUTOMATICALLY BY DEVICE WITH NO HOST INTERVENTION FAULT DIAGNOSTIC PROCEDURE OUTPUT VAA undervoltage Continuous voltage comparison ALRTRST VHV undervoltage Continuous voltage comparison ALRTHVUV VHV overvoltage Continuous voltage comparison ALRTHVOV VHV low headroom Voltage comparison (updated during measurement) ALRTHVHDRM 32kHz oscillator fault Continuous frequency comparison ALRTOSC1, ALRTOSC2 16MHz oscillator fault Communication error checking ALRTMAN, ALRTPAR Communication fault Communication error checking ALRTPEC, ALRTMAN, ALRTPAR RX pin open/short Verify RX mode after POR ALRTCOMMSEUn/ALRTCOMMSELn VDDLn pin open/short Continuous voltage comparison ALRTVDDLx GNDLn pin open/short Continuous voltage comparison ALRTGNDLx Die overtemperature Temperature comparison (updated after measurement) ALRTTEMP HOST TX DEVICE RXL DEVICE TXU HOST RX Preamble Preamble Preamble Preamble {DA[4:0], 0b101} {DA[4:0], 0b101} {DA[4:0], 0b101} {DA[4:0], 0b101} [REG ADDR] [REG ADDR] [REG ADDR] [REG ADDR] [DC] [DC] [DATA LSB] [DATA LSB] [PEC] [PEC] [DATA MSB] [DATA MSB] [ALIVE]* [ALIVE]* [DC] [DC] [FD(1) C2h] [FD(1) C2h] [PEC] [PEC] [FD(1) D3h] [FD(1) D3h] [ALIVE]* [ALIVE]* Stop Stop Stop Stop 16 characters 16 characters 16 characters 16 characters MAX17823H 12-Channel, High-Voltage Data-Acquisition Systems www.maximintegrated.com Maxim Integrated │ 58 |
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