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STM32H747AI 데이터시트(PDF) 164 Page - STMicroelectronics |
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STM32H747AI 데이터시트(HTML) 164 Page - STMicroelectronics |
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164 / 252 page ![]() Electrical characteristics STM32H747xI/G 154/242 DS12930 Rev 1 Refer to Section 6.3.18: I/O port characteristics for more details on the input/output alternate function characteristics. Asynchronous waveforms and timings Figure 29 through Figure 31 represent asynchronous waveforms and Table 77 through Table 84 provide the corresponding timings. The results shown in these tables are obtained with the following FMC configuration: • AddressSetupTime = 0x1 • AddressHoldTime = 0x1 • DataSetupTime = 0x1 (except for asynchronous NWAIT mode , DataSetupTime = 0x5) • BusTurnAroundDuration = 0x0 • Capacitive load CL = 30 pF In all timing tables, the TKERCK is the fmc_ker_ck clock period. Figure 29. Asynchronous non-multiplexed SRAM/PSRAM/NOR read waveforms 1. Mode 2/B, C and D only. In Mode 1, FMC_NADV is not used. Data FMC_NE FMC_NBL[1:0] FMC_D[15:0] tv(BL_NE) t h(Data_NE) FMC_NOE Address FMC_A[25:0] tv(A_NE) FMC_NWE tsu(Data_NE) tw(NE) MS32753V1 w(NOE) t tv(NOE_NE) t h(NE_NOE) th(Data_NOE) t h(A_NOE) t h(BL_NOE) tsu(Data_NOE) FMC_NADV (1) t v(NADV_NE) tw(NADV) FMC_NWAIT tsu(NWAIT_NE) th(NE_NWAIT) |
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