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STM32H562II Datasheet(PDF) 180 Page - STMicroelectronics |
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STM32H562II Datasheet(HTML) 180 Page - STMicroelectronics |
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180 / 270 page  Electrical characteristics STM32H562xx and STM32H563xx 180/270 DS14258 Rev 5 Table 74. Asynchronous multiplexed PSRAM/NOR read timings(1) 1. Evaluated by characterization - Not tested in production. Symbol Parameter Min Max Unit tw(NE) FMC_NE low time 4 Tfmc_ker_ck - 1 4 Tfmc_ker_ck + 1 ns tv(NOE_NE) FMC_NEx low to FMC_NOE low 2 Tfmc_ker_ck - 1 2 Tfmc_ker_ck +0.5 ttw(NOE) FMC_NOE low time Tfmc_ker_ck - 1 Tfmc_ker_ck+ 1 th(NE_NOE) FMC_NOE high to FMC_NE high hold time Tfmc_ker_ck - 0.5 - tv(A_NE) FMC_NEx low to FMC_A valid - 1 tv(NADV_NE) FMC_NEx low to FMC_NADV low 0 1 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 2 Tfmc_ker_ck - 0.5 - tsu(Data_NE) Data to FMC_NEx high setup time Tfmc_ker_ck +10 - tsu(Data_NOE) Data to FMC_NOE high setup time 9 - th(Data_NE) Data hold time after FMC_NEx high 0 - th(Data_NOE) Data hold time after FMC_NOE high 0 - Table 75. Asynchronous multiplexed PSRAM/NOR read-NWAIT timings(1) (2) 1. Evaluated by characterization - Not tested in production. 2. NWAIT pulse width is equal to one fmc_ker_ck cycle. Symbol Parameter Min Max Unit tw(NE) FMC_NE low time 9 Tfmc_ker_ck - 1 9 Tfmc_ker_ck + 1 ns tw(NOE) FMC_NOE low time 7 Tfmc_ker_ck - 1 7 Tfmc_ker_ck + 1 tsu(NWAIT_NE) FMC_NWAIT valid before FMC_NEx high 4 Tfmc_ker_ck +10 - th(NE_NWAIT) FMC_NEx hold time after FMC_NWAIT invalid 3 Tfmc_ker_ck +10 - |
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