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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32MP151A датащи(PDF) 207 Page - STMicroelectronics |
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STM32MP151A датащи(HTML) 207 Page - STMicroelectronics |
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207 / 245 page  DS12500 Rev 1 207/245 STM32MP151A Electrical characteristics 228 6.3.31 Camera interface (DCMI) characteristics Unless otherwise specified, the parameters given in Table 87 for DCMI are derived from tests performed under the ambient temperature, Fmcu_ck frequency and VDD supply voltage summarized in Table 13: 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: 0.5×VDD Figure 41. DCMI timing diagram Table 87. DCMI characteristics(1) 1. Guaranteed by characterization results. Symbol Parameter Min Max Unit - Frequency ratio DCMI_PIXCLK/Fmcu_ck -0.4 - DCMI_PIXCLK Pixel clock input - 80 MHz DPixel Pixel clock input duty cycle 30 70 % tsu(DATA) Data input setup time 2 - ns th(DATA) Data input hold time 0.5 - tsu(HSYNC) tsu(VSYNC) DCMI_HSYNC/DCMI_VSYNC input setup time 2 - 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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