VX1828B
Preliminary Datasheet
Video Processor for Middle Size LCD Panel
P.32/P.64
V1.0 050420
clamp in normal condition.
0 Pumping strength is 1 lw
1 Pumping strength is 2 lw
2 Pumping strength is 4 lw (df.)
3 Pumping strength is 8 lw
CPS_LVL
Strength adjustment of strong charge pump. It is used when
starting up.
0 Pumping strength is 8 lw
1 Pumping strength is 16 lw
2 Pumping strength is 32 lw (df.)
3 Pumping strength is 64 lw
VCLAMP_EN
Voltage-clamping
enable
VINI
Specify the initial voltage level of unselected channels
0 1/2 VDD (df.)
1
1/3
VDD
2
1/6
VDD
3
VSS
CMPLVL
Threshold level selection of comparator before PLL input terminal
Level = 0.430+0.0478 * CMPLVL
(df. = 8h)
AFE_OFFSET
Offset level of AFE. (df. = 40h)
PUPW
Width of pull-up pulse in charge-pump circuit. (df. = 80h)
PDNW
Width of pull-down pulse in charge-pump circuit. (df. = 40h)