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STM32H757AI Datenblatt(PDF) 183 Page - STMicroelectronics

Teilenummer STM32H757AI
Bauteilbeschribung  Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI, crypto
PDF  251 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
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STM32H757AI Datenblatt(HTML) 183 Page - STMicroelectronics

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DS12931 Rev 1
183/251
STM32H757xI
Electrical characteristics
230
Figure 41. SDRAM write access waveforms
Table 94. SDRAM Write timings(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Max
Unit
tw(SDCLK)
FMC_SDCLK period
2Tfmc_ker_ck – 1 2Tfmc_ker_ck+0.5
ns
td(SDCLKL _Data)
Data output valid time
-
1
th(SDCLKL _Data)
Data output hold time
0
-
td(SDCLKL_Add)
Address valid time
-
1.5
td(SDCLKL_SDNWE)
SDNWE valid time
-
1.5
th(SDCLKL_SDNWE)
SDNWE hold time
0.5
-
td(SDCLKL_ SDNE)
Chip select valid time
-
1.5
th(SDCLKL-_SDNE)
Chip select hold time
0.5
-
td(SDCLKL_SDNRAS)
SDNRAS valid time
-
1
th(SDCLKL_SDNRAS)
SDNRAS hold time
0.5
-
td(SDCLKL_SDNCAS)
SDNCAS valid time
-
1
td(SDCLKL_SDNCAS)
SDNCAS hold time
0.5
-
MS32752V2
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)
td(SDCLKL_Data)
th(SDCLKL_Data)
Col2
Coli
Coln
Data2
Datai
Datan
Data1
th(SDCLKL_SNDE)
td(SDCLKL_NRAS)
td(SDCLKL_NCAS)
th(SDCLKL_NCAS)
th(SDCLKL_NRAS)
td(SDCLKL_NWE)
th(SDCLKL_NWE)
FMC_NBL[3:0]
td(SDCLKL_NBL)



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