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STM32H7 bảng dữ liệu(PDF) 187 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) 187 Page - STMicroelectronics

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DS12110 Rev 10
187/357
STM32H742xI/G STM32H743xI/G
Electrical characteristics (rev Y)
320
6.3.29
Camera interface (DCMI) timing specifications
Unless otherwise specified, the parameters given in Table 101 for DCMI are derived
from tests performed under the ambient temperature, frcc_c_ck frequency and VDD
supply voltage summarized in Table 24: General operating conditions, with the following
configuration:
•
DCMI_PIXCLK polarity: falling
•
DCMI_VSYNC and DCMI_HSYNC polarity: high
•
Data formats: 14 bits
•
Capacitive load C=30 pF
•
Measurement points are done at CMOS levels: 0.5VDD
Figure 46. DCMI timing diagram
Table 101. DCMI characteristics(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Max
Unit
-
Frequency ratio DCMI_PIXCLK/frcc_c_ck
-0.4
-
DCMI_PIXCLK Pixel clock input
-
80
MHz
DPixel
Pixel clock input duty cycle
30
70
%
tsu(DATA)
Data input setup time
1
-
ns
th(DATA)
Data input hold time
1
-
tsu(HSYNC)
tsu(VSYNC)
DCMI_HSYNC/DCMI_VSYNC input setup time
1.5
-
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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