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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TLE9263QX датащи(PDF) 79 Page - Infineon Technologies AG |
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TLE9263QX датащи(HTML) 79 Page - Infineon Technologies AG |
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79 / 164 page  Data Sheet 79 Rev. 1.1, 2014-09-26 TLE9263QX LIN Transceiver 11.2.5 TXD Time-out Feature If the TXD signal is dominant for the time t >tTxD_LIN _TO, the TXD time-out function deactivates the LIN transmitter output stage temporarily. The transceiver remains in recessive state. The TXD time-out functions prevents the LIN bus from being blocked by a permanent LOW signal on the TXD pin, caused by a failure. The failure is stored in the SPI flag LIN1_FAIL and LIN2_FAIL. The LIN transmitter stage is activated again after the dominant time-out condition is removed. The transceiver configuration stays unchanged. Figure 35 TXD Time-Out Function 11.2.6 Bus Dominant Clamping If the LIN bus signal is dominant for a time t > t BUS_LIN_TO regardless of the LIN transceiver mode, a bus dominant clamping is detected and the SPI bit LIN1_FAIL and LIN2_FAIL is set. The transceiver configuration stays unchanged. 11.2.7 Under-Voltage Detection In case the supply voltage is dropping below the VSHS under-voltage detection threshold (VSHS < VSHS,UVD), the TLE9263QX disables the output and receiver stages. If the power supply reaches a higher level than the under voltage detection threshold (VSHS > VSHS,UVD), the TLE9263QX continues with normal operation. The transceiver configuration stays unchanged. TxD LIN ttorec ttimeout Normal Communication Normal Communication TxD Time-Out due to microcontroller error Release after TxD Time-out Recovery of the microcontroller error t t |
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