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STM32H757II bảng dữ liệu(PDF) 208 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI, crypto
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STM32H757II bảng dữ liệu(HTML) 208 Page - STMicroelectronics

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Electrical characteristics
STM32H757xI
208/251
DS12931 Rev 1
6.3.32
Camera interface (DCMI) timing specifications
Unless otherwise specified, the parameters given in Table 114 for DCMI are derived from
tests performed under the ambient temperature, fHCLK frequency and VDD supply voltage
summarized in Table 23: 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 50. DCMI timing diagram
Table 114. 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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