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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F413MH датащи(PDF) 163 Page - STMicroelectronics |
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STM32F413MH датащи(HTML) 163 Page - STMicroelectronics |
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163 / 207 page  DocID029162 Rev 2 163/207 STM32F413xG/H Electrical characteristics 174 Table 91. Asynchronous multiplexed PSRAM/NOR read timings(1)(2) 1. CL = 30 pF. 2. Based on characterization. Symbol Parameter Min Max Unit tw(NE) FSMC_NE low time 3 * tHCLK - 1 3 * tHCLK + 1 ns tv(NOE_NE) FSMC_NEx low to FSMC_NOE low 2 * tHCLK 2 * tHCLK + 0.5 tw(NOE) FSMC_NOE low time tHCLK - 1 tHCLK + 1 th(NE_NOE) FSMC_NOE high to FSMC_NE high hold time 0- tv(A_NE) FSMC_NEx low to FSMC_A valid - 0.5 tv(NADV_NE) FSMC_NEx low to FSMC_NADV low 0 0.5 tw(NADV) FSMC_NADV low time tHCLK - 0.5 tHCLK + 1 th(AD_NADV) FSMC_AD(address) valid hold time after FSMC_NADV high) tHCLK + 0.5 - th(A_NOE) Address hold time after FSMC_NOE high tHCLK - 0.5 - th(BL_NOE) FSMC_BL time after FSMC_NOE high 0 - tv(BL_NE) FSMC_NEx low to FSMC_BL valid - 0.5 tsu(Data_NE) Data to FSMC_NEx high setup time tHCLK - 2 - tsu(Data_NOE) Data to FSMC_NOE high setup time tHCLK - 2 - th(Data_NE) Data hold time after FSMC_NEx high 0 - th(Data_NOE) Data hold time after FSMC_NOE high 0 - Table 92. Asynchronous multiplexed PSRAM/NOR read-NWAIT timings(1)(2) 1. CL = 30 pF. 2. Based on characterization. Symbol Parameter Min Max Unit tw(NE) FSMC_NE low time 8 * tHCLK - 1 8 * tHCLK + 1 ns tw(NOE) FSMC_NWE low time 5 * tHCLK - 1.5 5 * tHCLK + 0.5 tsu(NWAIT_NE) FSMC_NWAIT valid before FSMC_NEx high 5 * tHCLK + 1.5 - th(NE_NWAIT) FSMC_NEx hold time after FSMC_NWAIT invalid 4 * tHCLK + 1 - |
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