Fujitsu MB91319 Series Hardware Manual page 491

■ Display Position Control of Screen Background Characters
Figure 18.2-6 shows the display positions of screen background characters.
Figure 18.2-6 Display Positions of Screen Background Characters
HSYNC position
*1: Vertical display position
The vertical display position is fixed to 1Hsync after the sync pulse of the vertical sync signal
(VSYNC pin input signal) and is shown in Figure 18.2-5.
*2: Horizontal display position
The horizontal display position is several dot clocks (see "18.2.4.1 Screen Display Position
Offset") after the sync pulse significant edge (controlled by bit HE of command 13-1) of the
horizontal sync signal (HSYNC pin input signal).
Note:
Display output of display signal outputs (RGB, VOB1, and VOB2) are off during the specified period
after input of the sync pulse of the vertical sync signal (VSYNC pin input signal) and the sync pulse
of the horizontal sync signal (HSYNC pin input signal).
Vertical display position*
Horizontal
display Screen Screen
2
background background
position*
character character
Screen Screen
background background
character character
Screen Screen
background background
character character
•
•
•
•
VSYNC position
1
Screen Screen
background background
character character
Screen Screen
background background
character character
Screen Screen
background background
character character
• • •
• • •
• • •
• • •
CHAPTER 18 OSDC
Screen
background • • • •
character
Screen
background
• • • •
character
Screen
background
• • • •
character
•
•
•
•
469