Waveshare HX8257-A User Manual - page 7
of
7
4.3inch 480x272 Touch LCD (A) User Manual
5
39
X+
Touch
panel
X+
O
Resistive
touch
panel
X+
analog output
40
X-
Touch panel X- O
Resistive touch panel X- analog
output
4.3inch 480x272 Touch LCD (A) and 4.3inch 480x272 Touch LCD (B) share a same
design of PCB. The differences between them are the parts on the boards and the way to
lead out the pins. For 4.3inch 480x272 Touch LCD (A), its pins are led out with the FFC
cable, including the pins Y-,Y+,X- and X+, and no touch chip is integrated on the board.
For 4.3inch 480x272 Touch LCD (B), its pins are led out via the pin headers, and there is a
touch chip XPT2046 integrated on the board.
3. Dimensions