ST7628
Vertical Scroll Example
There are 2 types of vertical scrolling, which are determined by the commands “ Vertical Scrolling Definition” (33h) and
“Vertical Scrolling Start Address” (37h).
Case 1: TFA + VSA + BFA<70
N/A. Do not set TFA + VSA + BFA<70. In that case, unexpected picture will be shown.
Case 2: TFA + VSA + BFA=70 (Rolling Scrolling)
Example1) When MADCTR parameter ML=”0”, TFA=0, VSA=70, BFA=0 and VSCSAD=40.
Ver 1.4
36/213
2008/08