Datasheet

Electrical characteristics STM32F765xx STM32F767xx STM32F768Ax STM32F769xx
214/255 DocID029041 Rev 6
Figure 78. DCMI timing diagram
5.3.33 LCD-TFT controller (LTDC) characteristics
Unless otherwise specified, the parameters given in Table 122 for LCD-TFT are derived
from tests performed under the ambient temperature, f
HCLK
frequency and V
DD
supply
voltage summarized in
Table 18, with the following configuration:
• LCD_CLK polarity: high
• LCD_DE polarity: low
• LCD_VSYNC and LCD_HSYNC polarity: high
• Pixel formats: 24 bits
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Table 122. LTDC characteristics
(1)
1. Guaranteed by characterization results.
Symbol Parameter Min Max Unit
f
CLK
LTDC clock output frequency - 83 MHz
D
CLK
LTDC clock output duty cycle 45 55 %
t
w(CLKH),
t
w(CLKL)
Clock High time, low time tw(CLK)/20.5 tw(CLK)/2+0.5
ns
t
v(DATA)
Data output valid time - 6
t
h(DATA)
Data output hold time 0 -
t
v(HSYNC),
t
v(VSYNC),
t
v(DE)
HSYNC/VSYNC/DE output valid time - 3.5
t
h(HSYNC),
t
h(VSYNC)
,
t
h(DE)
HSYNC/VSYNC/DE output hold time 0.5 -
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