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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9680 датащи(PDF) 198 Page - STMicroelectronics |
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L9680 датащи(HTML) 198 Page - STMicroelectronics |
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198 / 286 page  DC sensor interface L9680 198/286 DS11615 Rev 7 Another control (DCS_PAD_V bit in SYS_CFG register) is preprogrammed to select either a voltage measurement or a current measurement on DCS0 for this purpose. The automated control of the PSINHINT signal occurs when the microcontroller runs diagnostic testing of the DCS0 interface. A 1 second timer is included to ensure the diagnostic test is run periodically. When the timer expires (down-counts to 0), the PSINHINT signal is asserted. When the measurement of the DCS0 voltage or DCS current (as selected by the DCS_PAD_V bit) is taken, and the value falls within the preprogrammed window, the timer will be reloaded. If the measurement is outside the window, the timer will not be reloaded, and it will continue to count down until it expires, resulting in activation of PSINHINT. For testing purposes, the PSINHINT can be controlled directly via SPI while in DIAG state using the Diag State Test Selection (DSTEST) register. |
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