參數(shù)資料
型號(hào): PCF8890
英文描述: 240 + 1 outputs TFT LCD gate driver
中文描述: 240 1輸出TFT液晶柵極驅(qū)動(dòng)器
文件頁數(shù): 10/76頁
文件大小: 385K
代理商: PCF8890
2002 Aug 16
10
Philips Semiconductors
Preliminary specification
STN RGB - 384 output column driver
PCF8832
7.15
Frame rate control
The FRC controller generates the RGB grey scales by means of frame rate control. There are two FRC options,
selectable via software commands, to give 9-frame or 7-frame working. For every pixel, eight shades of grey are created
over the number of frames of the selected option.
handbook, full pagewidth
0
1
grey scale
ratio
Voff(rms)
Von(rms)
Vpixel(eff)
MGU592
Fig.4 Grey scale ratio as a function of effective pixel voltage.
handbook, halfpage
r2
b2
b1
b0
column bits
r1
r0
bl2
bl1
bl0
RGB pixel
in DDRAM
MGU593
g2
red
blue
green
g1
g0
Fig.5 Pixel bit definition.
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