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STM32F745VG bảng dữ liệu(PDF) 185 Page - STMicroelectronics

tên linh kiện STM32F745VG
Giải thích chi tiết về linh kiện  ARM-based Cortex-M7 32b MCUFPU, 462DMIPS, up to 1MB Flash/32016 4KB RAM, USB OTG HS/FS, ethernet, 18 TIMs, 3 ADCs, 25 com itf, cam & LCD
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F745VG bảng dữ liệu(HTML) 185 Page - STMicroelectronics

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DocID027590 Rev 4
185/227
STM32F745xx STM32F746xx
Electrical characteristics
195
Figure 69. NAND controller waveforms for common memory write access
Table 100. Switching characteristics for NAND Flash read cycles(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Max
Unit
tw(N0E)
FMC_NOE low width
4THCLK−0.5
4THCLK
ns
tsu(D-NOE)
FMC_D[15-0] valid data before FMC_NOE high
13
-
th(NOE-D)
FMC_D[15-0] valid data after FMC_NOE high
3
-
td(ALE-NOE) FMC_ALE valid before FMC_NOE low
-
3THCLK−0.5
th(NOE-ALE) FMC_NWE high to FMC_ALE invalid
3THCLK−2-
Table 101. Switching characteristics for NAND Flash write cycles(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Max
Unit
tw(NWE)
FMC_NWE low width
4THCLK−0.5
4THCLK
ns
tv(NWE-D)
FMC_NWE low to FMC_D[15-0] valid
0
-
th(NWE-D)
FMC_NWE high to FMC_D[15-0] invalid
3THCLK−1-
td(D-NWE)
FMC_D[15-0] valid before FMC_NWE high
5THCLK−3-
td(ALE-NWE)
FMC_ALE valid before FMC_NWE low
-
3THCLK−0.5
th(NWE-ALE)
FMC_NWE high to FMC_ALE invalid
3THCLK−2-



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