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IMX6SDLCEC датащи(PDF) 121 Page - NXP Semiconductors |
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IMX6SDLCEC датащи(HTML) 121 Page - NXP Semiconductors |
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121 / 169 page ![]() Electrical Characteristics i.MX 6Solo/6DualLite Applications Processors for Consumer Products, Rev. 9, 11/2018 NXP Semiconductors 121 Figure 88. JTAG_TRST_B Timing Diagram 4.11.18 SPDIF Timing Parameters The Sony/Philips Digital Interconnect Format (SPDIF) data is sent using the bi-phase marking code. When encoding, the SPDIF data signal is modulated by a clock that is twice the bit rate of the data signal. Table 80 and Figure 89 and Figure 90 show SPDIF timing parameters for the Sony/Philips Digital Interconnect Format (SPDIF), including the timing of the modulating Rx clock (SPDIF_SR_CLK) for SPDIF in Rx mode and the timing of the modulating Tx clock (SPDIF_ST_CLK) for SPDIF in Tx mode. Table 79. JTAG Timing ID Parameter1,2 All Frequencies Unit Min Max SJ0 JTAG_TCK frequency of operation 1/(3•TDC) 1 1 T DC = target frequency of SJC 0.001 22 MHz SJ1 JTAG_TCK cycle time in crystal mode 45 — ns SJ2 JTAG_TCK clock pulse width measured at VM 2 2 V M = mid-point voltage 22.5 — ns SJ3 JTAG_TCK rise and fall times — 3 ns SJ4 Boundary scan input data set-up time 5 — ns SJ5 Boundary scan input data hold time 24 — ns SJ6 JTAG_TCK low to output data valid — 40 ns SJ7 JTAG_TCK low to output high impedance — 40 ns SJ8 JTAG_TMS, JTAG_TDI data set-up time 5 — ns SJ9 JTAG_TMS, JTAG_TDI data hold time 25 — ns SJ10 JTAG_TCK low to JTAG_TDO data valid — 44 ns SJ11 JTAG_TCK low to JTAG_TDO high impedance — 44 ns SJ12 JTAG_TRST_B assert time 100 — ns SJ13 JTAG_TRST_B set-up time to JTAG_TCK low 40 — ns JTAG_TCK (Input) JTAG_TRST_B (Input) SJ13 SJ12 |
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