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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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IMX8MPCEC датащи(PDF) 76 Page - NXP Semiconductors |
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IMX8MPCEC датащи(HTML) 76 Page - NXP Semiconductors |
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76 / 111 page  i.MX 8M Plus Applications Processor Datasheet for Consumer Products, Rev. 0, 03/2021 76 NXP Semiconductors Electrical characteristics Figure 43. FlexSPI input timing in DDR mode where FlexSPIn_MCR0[RXCLKSRC] = 0x0, 0x1, 0x2 3.8.12.1.4 DDR mode with FlexSPIn_MCR0[RXCLKSRC] = 0x3 Figure 44. FlexSPI input timing in DDR mode where FlexSPIn_MCR0[RXCLKSRC] = 0x3 3.8.12.2 FlexSPI output/write timing The following sections describe output signal timing for the FlexSPI controller including control signals and data outputs. 3.8.12.2.1 SDR mode Table 62. FlexSPI input timing in DDR mode where FlexSPIn_MCR0[RXCLKSRC] = 0x3 (Case 1) Symbol Parameter Min. Max. Unit — [D:] Frequency of operation — 166 MHz TSCKD [D:] Time from SCK to data valid — — ns TSCKDQS [D:] Time from SCK to DQS — — ns TSCKD - TSCKDQS [D:] Time delta between TSCKD and TSCKDQS -0.6 0.6 ns Table 63. FlexSPI output timing in SDR mode Symbol Parameter Min. Max. Unit — [D:] Frequency of operation1 —166 MHz TCK [D:] SCK clock period 6.02 — ns F1 F2 F1 F2 SCLK SIO[0:7] Internal Sample Clocks TSCKD TSCKDQS SCK SIO[0:7] DQS |
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