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IMX8MPCEC датащи(PDF) 47 Page - NXP Semiconductors |
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IMX8MPCEC датащи(HTML) 47 Page - NXP Semiconductors |
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47 / 111 page ![]() Electrical characteristics i.MX 8M Plus Applications Processor Datasheet for Consumer Products, Rev. 0, 03/2021 NXP Semiconductors 47 Table 37 lists the ECSPI Read and Write frequency. 3.8.1.2 ECSPI Slave mode timing Figure 14 depicts the timing of ECSPI in Slave mode. Table 38 lists the ECSPI Slave mode timing characteristics. Figure 14. ECSPI Slave mode timing diagram Table 37. ECSPI Master Read and Write frequency Instance Mux mode Master Read frequency Master Write frequency Unit ECSPI1 Mux behind I2C1/I2C2 25 50 MHz Mux behind ECSPI1 30 60 MHz ECSPI2 Mux behind SD2 30 60 MHz Mux behind ECSPI2 25 50 MHz Mux behind I2C3/I2C4 20 40 MHz ECSPI3 Mux behind UART1/UART2 25 50 MHz Table 38. ECSPI Slave mode timing parameters (Sheet 1 of 2) ID Parameter Symbol Min Max Unit CS1 ECSPIx_SCLK Cycle Time–Read ECSPI_SCLK Cycle Time–Write tclk 15 43 —ns CS2 ECSPIx_SCLK High or Low Time–Read ECSPIx_SCLK High or Low Time–Write tSW 7 21.5 —ns CS4 ECSPIx_SS_B pulse width tCSLH Half ECSPIx_SCLK period — ns CS5 ECSPIx_SS_B Lead Time (CS setup time) tSCS 5— ns CS6 ECSPIx_SS_B Lag Time (CS hold time) tHCS 5— ns CS7 ECSPIx_MOSI Setup Time tSmosi 4— ns CS1 CS7 CS8 CS2 CS2 CS4 CS6 CS5 CS9 ECSPIx_SCLK ECSPIx_SS_B ECSPIx_MISO ECSPIx_MOSI |
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