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STM32F427AI Scheda tecnica(PDF) 193 Page - STMicroelectronics

Il numero della parte STM32F427AI
Spiegazioni elettronici  32b Arm® Cortex®-M4 MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 com. interfaces, camera & LCD-TFT
PDF  240 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F427AI Scheda tecnica(HTML) 193 Page - STMicroelectronics

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DS9405 Rev 12
193/240
STM32F427xx STM32F429xx
Electrical characteristics
197
6.3.27
Camera interface (DCMI) timing specifications
Unless otherwise specified, the parameters given in Table 107 for DCMI are derived
from tests performed under the ambient temperature, fHCLK frequency, and VDD supply
voltage summarized in Table 17, with the following configuration:
•
DCMI_PIXCLK polarity: falling
•
DCMI_VSYNC and DCMI_HSYNC polarity: high
•
Data formats: 14 bits
Figure 73. DCMI timing diagram
Table 107. DCMI characteristics
Symbol
Parameter
Min
Max
Unit
Frequency ratio DCMI_PIXCLK/fHCLK
-0.4
DCMI_PIXCLK Pixel clock input
-
54
MHz
DPixel
Pixel clock input duty cycle
30
70
%
tsu(DATA)
Data input setup time
2
-
ns
th(DATA)
Data input hold time
2.5
-
tsu(HSYNC)
tsu(VSYNC)
DCMI_HSYNC/DCMI_VSYNC input setup time
0.5
-
th(HSYNC)
th(VSYNC)
DCMI_HSYNC/DCMI_VSYNC input hold time
1
-
MS32414V2
DCMI_PIXCLK
tsu(VSYNC)
tsu(HSYNC)
DCMI_HSYNC
DCMI_VSYNC
DATA[0:13]
1/DCMI_PIXCLK
th(HSYNC)
th(HSYNC)
tsu(DATA) th(DATA)



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