參數(shù)資料
型號(hào): S6B1400X
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
中文描述: 104賽格/ 65 COM驅(qū)動(dòng)程序
文件頁(yè)數(shù): 33/64頁(yè)
文件大?。?/td> 445K
代理商: S6B1400X
S6B1400X SPEC. VER. 0.0 104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
29
Voltage Follower Circuits
V
LCD
voltage is resistively divided into four voltage levels (V1, V2, V3, V4), and those output impedance are
converted by the voltage follower for increasing drive capability. The following table shows the relationship between
V1 to V4 level and each duty ratio.
Table 17. The Relationship between V1 to V4 Level and Duty Ratio
Duty ratio
DUTY1
DUTY0
LCD bias
V1
V2
V3
V4
1/5
(4/5) V
LCD
(3/5) V
LCD
(2/5) V
LCD
(1/5) V
LCD
1/33
L
L
1/6
(5/6) V
LCD
(4/6) V
LCD
(2/6) V
LCD
(1/6) V
LCD
1/6
(5/6) V
LCD
(4/6) V
LCD
(2/6) V
LCD
(1/6) V
LCD
1/49
L
H
1/8
(7/8) V
LCD
(6/8) V
LCD
(2/8) V
LCD
(1/8) V
LCD
1/6
(5/6) V
LCD
(4/6) V
LCD
(2/6) V
LCD
(1/6) V
LCD
1/55
H
L
1/8
(7/8) V
LCD
(6/8) V
LCD
(2/8) V
LCD
(1/8) V
LCD
1/7
(6/7) V
LCD
(5/7) V
LCD
(2/7) V
LCD
(1/7) V
LCD
1/65
H
H
1/9
(8/9) V
LCD
(7/9) V
LCD
(2/9) V
LCD
(1/9) V
LCD
High Power Mode
The power supply circuit equipped in the S6B1400X for LCD drive has very low power consumption (in normal
mode: HPMB = “ H”). If use for LCD panels with large loads, this low-power power supply may cause display quality
to degrade. When this occurs, setting the HPMB pin to “ L” (high power mode) can improve the quality of the display.
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