參數(shù)資料
型號: P83C270AAR
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Microcontrollers for NTSC TVs with On-Screen Display OSD and Closed Caption CC
中文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP52
文件頁數(shù): 49/80頁
文件大?。?/td> 266K
代理商: P83C270AAR
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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