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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32H753II датащи(PDF) 149 Page - STMicroelectronics |
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STM32H753II датащи(HTML) 149 Page - STMicroelectronics |
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149 / 361 page  DS12117 Rev 8 149/360 STM32H753xI Electrical characteristics (rev Y) 318 Table 69. Asynchronous multiplexed PSRAM/NOR read timings(1) Symbol Parameter Min Max Unit tw(NE) FMC_NE low time 3Tfmc_ker_ck − 13Tfmc_ker_ck + 1 ns tv(NOE_NE) FMC_NEx low to FMC_NOE low 2Tfmc_ker_ck 2Tfmc_ker_ck + 0.5 ttw(NOE) FMC_NOE low time Tfmc_ker_ck − 1Tfmc_ker_ck + 1 th(NE_NOE) FMC_NOE high to FMC_NE high hold time 0 - tv(A_NE) FMC_NEx low to FMC_A valid - 0.5 tv(NADV_NE) FMC_NEx low to FMC_NADV low 0 0.5 tw(NADV) FMC_NADV low time Tfmc_ker_ck − 0.5 Tfmc_ker_ck+1 th(AD_NADV) FMC_AD(address) valid hold time after FMC_NADV high Tfmc_ker_ck + 0.5 - th(A_NOE) Address hold time after FMC_NOE high Tfmc_ker_ck − 0.5 - th(BL_NOE) FMC_BL time after FMC_NOE high 0 - tv(BL_NE) FMC_NEx low to FMC_BL valid - 0.5 tsu(Data_NE) Data to FMC_NEx high setup time Tfmc_ker_ck − 2 - tsu(Data_NOE) Data to FMC_NOE high setup time Tfmc_ker_ck − 2 - th(Data_NE) Data hold time after FMC_NEx high 0 - th(Data_NOE) Data hold time after FMC_NOE high 0 - 1. Guaranteed by characterization results. Table 70. Asynchronous multiplexed PSRAM/NOR read-NWAIT timings(1) Symbol Parameter Min Max Unit tw(NE) FMC_NE low time 8Tfmc_ker_ck − 18Tfmc_ker_ck ns tw(NOE) FMC_NWE low time 5Tfmc_ker_ck − 1.5 5Tfmc_ker_ck + 0.5 tsu(NWAIT_NE) FMC_NWAIT valid before FMC_NEx high 5Tfmc_ker_ck + 3 - th(NE_NWAIT) FMC_NEx hold time after FMC_NWAIT invalid 4Tfmc_ker_ck - 1. Guaranteed by characterization results. |
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