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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCIMX258CJM4A датащи(PDF) 96 Page - Freescale Semiconductor, Inc |
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PCIMX258CJM4A датащи(HTML) 96 Page - Freescale Semiconductor, Inc |
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96 / 144 page  i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 3 96 Freescale Semiconductor Figure 68. SIM Clock Timing Diagram Table 72 defines the general timing requirements for the SIM interface. Table 72. Timing Specifications, High Drive Strength ID Parameter Symbol Min. Max. Unit SI1 SIM clock frequency (SIMx_CLKy)1 1 50% duty cycle clock, Sfreq 0.01 25 MHz SI2 SIM clock rise time (SIMx_CLKy)2 2 With C = 50 pF Srise —0.09 × (1/Sfreq)ns SI3 SIM clock fall time (SIMx_CLKy)3 3 With C = 50 pF Sfall —0.09 × (1/Sfreq)ns SI4 SIM input transition time (SIMx_DATAy_RX_TX, SIMx_SIMPDy) Strans 10 25 ns SI5 SIM I/O rise time / fall time (SIMx_DATAy_RX_TX)4 4 With Cin = 30 pF, Cout = 30 pF, Tr/Tf — 1 us SI6 SIM RST rise time / fall time (SIMx_RSTy)5 5 With Cin = 30 pF, Tr/Tf — 1 us SIMx_CLKy 1/SI1 SI4 SI4 SIMx_DATAy_TX_RX SIMx_SIMPDy SI5 SI5 SIMx_DATAy_TX_RX SI6 SI6 SIMx_RSTy SI2 SI3 |
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