Related Manuals for Waveshare HX8257-A
Summary of Contents for Waveshare HX8257-A
- Page 1 4.3inch 480x272 Touch LCD (A) User Manual Chinese website: www.waveshare.net English Website: www.wvshare.com Data download: www.waveshare.net/wiki Shenzhen Waveshare Electronics Ltd. Co.
- Page 2 4.3inch 480x272 Touch LCD (A) User Manual Contents Overview ........................1 HX8257-A ..................... 1 Hardware description ....................3 Dimensions ......................5...
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Page 3: Overview
720-channel source outputs and 544-channel gate outputs; PWM control function to generate power for backlight. When applying HX8257-A, a MCU with LCD controller is required, since the LCD controller is not included in this LCD. Here is the basic sequence of HX8257-A:... - Page 4 4.3inch 480x272 Touch LCD (A) User Manual Pin descriptions: Symbol Description Vsync Vertical sync signal, which indicates the starting to scan a new frame. One frame refers to one picture shown in the Hsync Horizontal sync signal, which indicates the starting to scan a new line Input data enable control LCD clock...
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Page 5: Hardware Description
4.3inch 480x272 Touch LCD (A) User Manual Horizontal display period Horizontal front porch Horizontal pulse width Horizontal back porch Vertical signal Vertical cycle Vertical display period Vertical front porch Vertical pulse width Vertical back porch Remarks: (1) Unit: CLK=1/f , it is the duration for scanning a pixel; H=th, it is the duration for scanning a line;... - Page 6 4.3inch 480x272 Touch LCD (A) User Manual Ground Data line Green pallet data line Ground Data line Red pallet data line Ground Backlight 1: Backlight ON BL_EN enable 0: Backlight OFF Backlight Signal line for PWM control brightness backlight control Input data DE=0: SYNC mode enable control...
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Page 7: Dimensions
4.3inch 480x272 Touch LCD (A) User Manual Touch panel Resistive touch panel analog output Resistive touch panel X- analog Touch panel X- 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.