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STM32F429NET7TR Scheda tecnica(PDF) 180 Page - STMicroelectronics |
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STM32F429NET7TR Scheda tecnica(HTML) 180 Page - STMicroelectronics |
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180 / 231 page ![]() Electrical characteristics STM32F427xx STM32F429xx 180/231 DocID024030 Rev 6 Figure 68. PC Card/CompactFlash controller waveforms for I/O space write access Table 98. Switching characteristics for PC Card/CF read and write cycles in attribute/common space(1)(2) Symbol Parameter Min Max Unit tv(NCEx-A) FMC_Ncex low to FMC_Ay valid - 0 ns th(NCEx_AI) FMC_NCEx high to FMC_Ax invalid 0 - ns td(NREG-NCEx) FMC_NCEx low to FMC_NREG valid - 1 ns th(NCEx-NREG) FMC_NCEx high to FMC_NREG invalid THCLK − 2- ns td(NCEx-NWE) FMC_NCEx low to FMC_NWE low - 5THCLK ns tw(NWE) FMC_NWE low width 8THCLK − 0.5 8THCLK+0.5 ns td(NWE_NCEx) FMC_NWE high to FMC_NCEx high 5THCLK+1 - ns tV(NWE-D) FMC_NWE low to FMC_D[15:0] valid - 0 ns th(NWE-D) FMC_NWE high to FMC_D[15:0] invalid 9THCLK − 0.5 - ns td(D-NWE) FMC_D[15:0] valid before FMC_NWE high 13THCLK − 3ns td(NCEx-NOE) FMC_NCEx low to FMC_NOE low - 5THCLK ns tw(NOE) FMC_NOE low width 8 THCLK − 0.5 8 THCLK+0.5 ns td(NOE_NCEx) FMC_NOE high to FMC_NCEx high 5THCLK − 1- ns tsu (D-NOE) FMC_D[15:0] valid data before FMC_NOE high THCLK -ns th(NOE-D) FMC_NOE high to FMC_D[15:0] invalid 0 - ns 1. CL = 30 pF. 2. Guaranteed by characterization results. |
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