PCM-7130 User’s Manual 60
Appendix B Passive Matrix LCD Display
B.1 Appendix B Passive Matrix LCD Display
As mentioned in Section 1.3 of Chapter 1, the PCM-7130 supports pas-
sive matrix LCD display such as STN/DSTN LCD panels. However,
there is a power input, the V
contrast
, varies according to different STN
LCD. Therefore every system having STN LCD display must provide dif-
ferent V
contrast
to its specific mating panel.
The PCM-7130 is verified to support Nan-ya 7.4” VGA DSTN LCD
(LCBLDT163M9T). However, it takes a piece of adapter board which
boosts the normal 3.3V on the PCM-7130 to higher level, and serve it to
the LCD as V
contrast
max = 26.8 V, min = 22.3 V, default = 24.4 V. This
voltage can be adjusted by system configurator utility.
This piece of adapter board is mounted on the PCM-7130 as shipped to
users. With it users can connect PCM-7130 to either TFT LCD or DSTN
LCD specified above.
Figure B.1: 6.4” LCD
