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STM32H747AI датащи(PDF) 182 Page - STMicroelectronics

номер детали STM32H747AI
подробное описание детали  Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, up to 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI
PDF  252 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32H747AI датащи(HTML) 182 Page - STMicroelectronics

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Electrical characteristics
STM32H747xI/G
172/242
DS12930 Rev 1
SDRAM waveforms and timings
In all timing tables, the TKERCK is the fmc_ker_ck clock period, with the following
FMC_SDCLK maximum values:
For 2.7 V<VDD<3.6 V: FMC_CLK =110 MHz at 20 pF
For 1.8 V<VDD<1.9 V: FMC_CLK =100 MHz at 20 pF
For 1.62 V<DD<1.8 V, FMC_CLK =100 MHz at 15 pF
Figure 40. SDRAM read access waveforms (CL = 1)
MS32751V2
Row n
Col1
FMC_SDCLK
FMC_A[12:0]
FMC_SDNRAS
FMC_SDNCAS
FMC_SDNWE
FMC_D[31:0]
FMC_SDNE[1:0]
td(SDCLKL_AddR)
td(SDCLKL_AddC)
th(SDCLKL_AddR)
th(SDCLKL_AddC)
td(SDCLKL_SNDE)
tsu(SDCLKH_Data)
th(SDCLKH_Data)
Col2
Coli
Coln
Data2
Datai
Datan
Data1
th(SDCLKL_SNDE)
td(SDCLKL_NRAS)
td(SDCLKL_NCAS)
th(SDCLKL_NCAS)
th(SDCLKL_NRAS)



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