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Waveshare HX8257-A User Manual page 4

4.3inch 480x272 touch lcd

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Pin descriptions:
Symbol
Vsync
Hsync
DE
CLK
Dn7-Dn0
Here are the meanings of the symbols in the sequence diagram:
Symbol
fclk
signal
Horizontal
th
4.3inch 480x272 Touch LCD (A) User Manual
Description
Vertical sync signal, which indicates the starting to scan a
new frame. One frame refers to one picture shown in the
LCD
Horizontal sync signal, which indicates the starting to scan a
new line
Input data enable control
LCD clock
Parallel data
Description
LCD clock cycle
Horizontal cycle
Reference
Min.
Typ.
Max.
-
9
15
525
525
605
Unit
MHz
CLK
(1)
2

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