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L9301 データシート(PDF) 36 Page - STMicroelectronics |
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L9301 データシート(HTML) 36 Page - STMicroelectronics |
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36 / 51 page ![]() SPI L9301 36/51 DocID028688 Rev 6 13 SPI The SPI interface is used to configure the device, control the output and read the diagnostic and output status registers. Every time a bit in one of the SPI registers is set by the L9301 (for example when an error is detected) it will not be reset until the corresponding registers have been read out via SPI. The bit will not be reset if an SPI error occurs during access to register by the μC or while L9301 sends the content of the register as an answer. 13.1 CS, SCK, MOSI Table 25. CS, SCK, MOSI Pin Symbol Parameter Test condition Min. Typ. Max. Unit CS, SCK, MOSI V_IH Logic input high voltage - 1.75 - VDD+0.3 V V_IL Logic input low voltage - -0.3 - 0.75 V V_Ihys Logic input hysteresis - 100 - 1000 mV Iin Input current - - - 5 μA Ri_pu Pull up resistor Tested at 1.5 V, R = (3.3-1.5)/Imeasure 50 - 250 kΩ |
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