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I.MX8XLITE Datasheet(PDF) 58 Page - NXP Semiconductors |
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I.MX8XLITE Datasheet(HTML) 58 Page - NXP Semiconductors |
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58 / 112 page ![]() Table 45. LPSPI timings—Master mode at 60 MHz ID Parameter Min Max Unit — SPIx_SCLK Cycle frequency — 60 MHz t1 SPIx_SCLK High or Low Time–Read SPIx_SCLK High or Low Time–Write 7.5 — ns t2 SPIx_CSy pulse width 7.5 — ns t3 SPIx_CSy Lead Time(1) FCLK_PERIOD(2) x (PCSSCK + 1) / 2PRESCALE - 3 — ns t4 SPIx_CSy Lag Time(3) FCLK_PERIOD(2) x (SCKPCS + 1) / 2PRESCALE + 3 — ns t5 SPIx_SDO output Delay (CLOAD = 20 pF) — 3 ns t6 SPIx_SDI Setup Time 2 — ns t7 SPIx_SDI Hold Time 2 — ns 1. This timing is controllable through CCR.PCSSCK and TCR.PRESCALE registers. 2. FCLK_PERIOD is the period of the functional clock provided to LPSPI module. Maximum allowed frequency is 240 MHz. 3. This timing is controllable through CCR.SCKPCS and TCR.PRESCALE registers. Table 46. LPSPI timings—Master mode at 40 MHz ID Parameter Min Max Unit — SPIx_SCLK Cycle frequency — 40 MHz t1 SPIx_SCLK High or Low Time–Read SPIx_SCLK High or Low Time–Write 11 — ns t2 SPIx_CSy pulse width 11 — ns t3 SPIx_CSy Lead Time(1) FCLK_PERIOD(2) x (PCSSCK + 1) / 2PRESCALE + 3 — ns t4 SPIx_CSy Lag Time(3) FCLK_PERIOD(2) x (SCKPCS + 1) / 2PRESCALE + 3 — ns t5 SPIx_SDO output Delay (CLOAD = 20 pF) — 5 ns t6 SPIx_SDI Setup Time 5 — ns t7 SPIx_SDI Hold Time 4 — ns 1. This timing is controllable through CCR.PCSSCK and TCR.PRESCALE registers. 2. FCLK_PERIOD is the period of the functional clock provided to LPSPI module. Maximum allowed frequency is 240 MHz. 3. This timing is controllable through CCR.SCKPCS and TCR.PRESCALE registers. Electrical characteristics 58 i.MX 8XLite Industrial Applications Processors, Rev. 3, 08/2023 NXP Semiconductors |
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