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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STM32F722IC 데이터시트(PDF) 193 Page - STMicroelectronics |
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STM32F722IC 데이터시트(HTML) 193 Page - STMicroelectronics |
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193 / 229 page  DS11853 Rev 6 193/229 STM32F722xx STM32F723xx Electrical characteristics 201 Figure 73. NAND controller waveforms for common memory write access Table 105. Switching characteristics for NAND Flash read cycles(1) 1. Guaranteed by characterization results. Symbol Parameter Min Max Unit tw(N0E) FMC_NOE low width 4Thclk -0.5 4Thclk +0.5 ns tsu(D-NOE) FMC_D[15-0] valid data before FMC_NOE high 11 - th(NOE-D) FMC_D[15-0] valid data after FMC_NOE high 0 - td(ALE-NOE) FMC_ALE valid before FMC_NOE low - 3Thclk +1.5 th(NOE-ALE) FMC_NWE high to FMC_ALE invalid 4Thclk - 2 - Table 106. Switching characteristics for NAND Flash write cycles(1) 1. Guaranteed by characterization results. Symbol Parameter Min Max Unit tw(NWE) FMC_NWE low width 4Thclk -0.5 4Thclk +0.5 ns tv(NWE-D) FMC_NWE low to FMC_D[15-0] valid 0 - th(NWE-D) FMC_NWE high to FMC_D[15-0] invalid 2Thclk - 1 - td(D-NWE) FMC_D[15-0] valid before FMC_NWE high 5Thclk - 1 - td(ALE-NWE) FMC_ALE valid before FMC_NWE low - 3Thclk +1.5 th(NWE-ALE) FMC_NWE high to FMC_ALE invalid 2Thclk - 2 - MS32770V1 tw(NWE) th(NWE-D) tv(NWE-D) FMC_NWE FMC_N OE FMC_D[15:0] td(D-NWE) ALE (FMC_A17) CLE (FMC_A16) FMC_NCEx td(ALE-NOE) th(NOE-ALE) |
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