參數(shù)資料
型號(hào)： P87C770
廠商： NXP Semiconductors N.V.
英文描述： Microcontrollers for NTSC TVs with On-Screen Display (OSD) and Closed Caption (CC)(在NTSC TV中應(yīng)用的具有屏幕顯示和字幕關(guān)閉特點(diǎn)的微控制器)
中文描述： 微控制器用于NTSC電視的屏幕顯示（OSD）和字幕（CC）的（在NTSC電視中應(yīng)用的具有屏幕顯示和字幕關(guān)閉特點(diǎn)的微控制器）
文件頁數(shù)： 49/80頁
文件大?。?/td> 266K
代理商： P87C770
1999 Jun 11
49
Philips Semiconductors
Product specification
Microcontrollers for NTSC TVs with On-Screen
Display (OSD) and Closed Caption (CC)
P8xCx70 family
18.7
Display positioning
The positioning of the display is relative to the vertical and horizontal sync pulses. The display consists of the screen
colour covering the whole screen and the text area that is placed within the visible screen area. The screen colour
extends over a large vertical and horizontal range so that no offset is needed. The text area offset in both directions is
relative to the vertical and horizontal sync pulses.
Fig.21 Display area positioning.
handbook, full pagewidth
MGL150
56
μ
s
text area start
0.25 character
offset
horizontal
sync
delay
horizontal sync
vertical
sync
6 lines
offset
text
vertical
offset
screen colour
offset = 8
μ
s
text area end
SCREEN COLOUR AREA
TEXT AREA
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