Interface - Waveshare 4.3inch HDMI LCD User Manual

4.3inch HDMI LCD User Manual

INTERFACE

PIN NO.
1, 17
2, 4
3, 5, 7, 8, 10, 11, 12, 13, 15,
16, 18, 24
6, 9, 14, 20, 25
19
21
22
23
26
Symbol
3.3V
5V Power positive (5V power
NC
GND
TP_SI
TP_SO SPI data output of Touch
TP_IRQ Touch Panel interrupt, low
TP_SCK SPI clock of Touch Panel
TP_CS
Description
Power positive (3.3V
power input)
input)
NC
Ground
SPI data input of Touch
Panel
Panel
level while the Touch
Panel detects touching
Touch Panel chip
selection, low active
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