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| STM32F479XX Datasheet, PDF (186/217 Pages) STMicroelectronics – ARMCortex-M4 32b MCU+FPU, 225DMIPS, up to 2MB Flash/384+4KB RAM, USB OTG HS/FS, Ethernet, FMC, dual Quad-SPI, Crypto, Graphical accelerator, Camera IF, LCD-TFT & MIPI DSI | |||
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Electrical characteristics
STM32F479xx
5.3.32
Table 108. DCMI characteristics(1)
Symbol
Parameter
Min
-
Frequency ratio DCMI_PIXCLK/fHCLK
-
DCMI_PIXCLK Pixel clock input
-
DPixel
Pixel clock input duty cycle
30
tsu(DATA)
Data input setup time
4
th(DATA)
Data input hold time
1
tsu(HSYNC)
tsu(VSYNC)
DCMI_HSYNC/DCMI_VSYNC input setup time
3.5
th(HSYNC)
th(VSYNC)
DCMI_HSYNC/DCMI_VSYNC input hold time
0
1. 1.Guaranteed based on test during characterization.
Max
0.4
54
70
-
-
-
-
Unit
-
MHz
%
ns
Figure 75. DCMI timing diagram
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LCD-TFT controller (LTDC) characteristics
Unless otherwise specified, the parameters given in Table 109 for LCD-TFT are derived
from tests performed under the ambient temperature, fHCLK frequency and VDD supply
voltage summarized in Table 17, with the following configuration:
⢠LCD_CLK polarity: high
⢠LCD_DE polarity: low
⢠LCD_VSYNC and LCD_HSYNC polarity: high
⢠Pixel formats: 24 bits
⢠Output speed is set to OSPEEDRy[1:0] = 11
⢠Capacitive load CL = 30 pF
⢠Measurement points are done at CMOS levels: 0.5 VDD
186/217
DocID028010 Rev 3
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