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STM32F446VC 데이터시트(PDF) 169 Page - STMicroelectronics

부품명 STM32F446VC
상세설명  ARM® Cortex®-M4 32b MCUFPU, 225DMIPS, up to 512kB Flash/1284KB RAM, USB OTG HS/FS, 17 TIMs, 3 ADCs, 20 comm. interfaces
PDF  202 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F446VC 데이터시트(HTML) 169 Page - STMicroelectronics

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STM32F446xC/E
Electrical characteristics
175
SDRAM waveforms and timings
Figure 62. SDRAM read access waveforms (CL = 1)
Table 99. Switching characteristics for NAND Flash write cycles(1)
1. CL = 30 pF.
Symbol
Parameter
Min
Max
Unit
tw(NWE)
FMC_NWE low width
4THCLK - 2
4THCLK
ns
tv(NWE-D)
FMC_NWE low to FMC_D[15-0] valid
0
-
ns
th(NWE-D)
FMC_NWE high to FMC_D[15-0] invalid
3THCLK – 1
-
ns
td(D-NWE)
FMC_D[15-0] valid before FMC_NWE high
5THCLK – 3
-
ns
td(ALE-NWE)
FMC_ALE valid before FMC_NWE low
-
3THCLK - 0.5 ns
th(NWE-ALE)
FMC_NWE high to FMC_ALE invalid
3THCLK – 2
-
ns



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