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STM32F427AI bảng dữ liệu(PDF) 193 Page - STMicroelectronics

tên linh kiện STM32F427AI
Giải thích chi tiết về linh kiện  ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera & LCD-TFT
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F427AI bảng dữ liệu(HTML) 193 Page - STMicroelectronics

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STM32F427xx STM32F429xx
Electrical characteristics
197
6.3.27
Camera interface (DCMI) timing specifications
Unless otherwise specified, the parameters given in Table 106 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 75. DCMI timing diagram
Table 106. 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
-



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