HX8257-A - Himax

HX8257-A 480 x 272 TFT LCD Single Chip Digital Driver

HX8257-A is a single chip digital driver supporting 480RGBX272 or 480RGBX240 resolution. The single chip includes Source, Gate, TCON, and Power circuits. The driver receives 24-bit digital display data with single clock edge and generates corresponding 64 level gray scale voltage outputs with dithering function to realize 16M colors display. Positive and neg.

Features

Support 480RGBx272 or 480RGBx240 graphics display TFT LCD panel 64 gray level with 2 bit dithering function to realize 16M colors Support 8-bit serial RGB data and 24-bit parallel RGB data input Power supply: -- VDDIO: 1.8 ~ 3.6V -- VCI: 3 ~ 3.6V Built in 1.8V LDO for internal logic circuit Maximum gate driving output range: 30Vp-p Source output range: 0.1 ~ VLCD - 0.1 Source and gate scan direction control 720 source output and 544 gate output Programmable gamma correction curve Support contrast/brightness adjustment Support PAL decimation in 480RGBx240 resolution Non-Volatile Memory (OTP) fo.