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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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IMX6SDLCEC датащи(PDF) 119 Page - NXP Semiconductors |
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IMX6SDLCEC датащи(HTML) 119 Page - NXP Semiconductors |
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119 / 169 page  Electrical Characteristics i.MX 6Solo/6DualLite Applications Processors for Consumer Products, Rev. 9, 11/2018 NXP Semiconductors 119 4.11.15.1 PCIE_REXT Reference Resistor Connection The impedance calibration process requires connection of reference resistor 200 Ω. 1% precision resistor on PCIE_REXT pads to ground. It is used for termination impedance calibration. 4.11.16 Pulse Width Modulator (PWM) Timing Parameters This section describes the electrical information of the PWM. The PWM can be programmed to select one of three clock signals as its source frequency. The selected clock signal is passed through a prescaler before being input to the counter. The output is available at the pulse-width modulator output (PWMO) external pin. Figure 84 depicts the timing of the PWM, and Table 78 lists the PWM timing parameters. Figure 84. PWM Timing 4.11.17 SCAN JTAG Controller (SJC) Timing Parameters Figure 85 depicts the SJC test clock input timing. Figure 86 depicts the SJC boundary scan timing. Figure 87 depicts the SJC test access port. Signal parameters are listed in Table 79. Figure 85. Test Clock Input Timing Diagram Table 78. PWM Output Timing Parameters ID Parameter Min Max Unit PWM Module Clock Frequency 0 ipg_clk MHz P1 PWM output pulse width high 15 — ns P2 PWM output pulse width low 15 — ns JTAG_TCK (Input) VM VM VIH VIL SJ1 SJ2 SJ2 SJ3 SJ3 |
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