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STM32H7 bảng dữ liệu(PDF) 298 Page - STMicroelectronics

tên linh kiện STM32H7
Giải thích chi tiết về linh kiện  32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces
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STM32H7 bảng dữ liệu(HTML) 298 Page - STMicroelectronics

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Electrical characteristics (rev V)
STM32H742xI/G STM32H743xI/G
298/357
DS12110 Rev 10
7.3.29
Camera interface (DCMI) timing specifications
Unless otherwise specified, the parameters given in Table 199 for DCMI are derived from
tests performed under the ambient temperature, fHCLK frequency and VDD supply voltage
summarized in Table 122: General operating conditions, with the following configuration:
•
DCMI_PIXCLK polarity: falling
•
DCMI_VSYNC and DCMI_HSYNC polarity: high
•
Data formats: 14 bits
•
Capacitive load CL=30 pF
•
Measurement points are done at CMOS levels: 0.5VDD
•
VOS level set to VOS1
Figure 98. DCMI timing diagram
Table 199. DCMI characteristics(1)
Symbol
Parameter
Min
Max
Unit
-
Frequency ratio DCMI_PIXCLK/fHCLK
-0.4
-
DCMI_PIXCLK
Pixel Clock input
-
80
MHz
Dpixel
Pixel Clock input duty cycle
30
70
%
tsu(DATA)
Data input setup time
3
-
-
th(DATA)
Data hold time
1
-
tsu(HSYNC),
tsu(VSYNC)
DCMI_HSYNC/ DCMI_VSYNC input setup time
2
-
ns
th(HSYNC),
th(VSYNC)
DCMI_HSYNC/ DCMI_VSYNC input hold time
1
-
-
1. Guaranteed by characterization results.
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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