參數(shù)資料
型號(hào): TDA938X
廠商: NXP Semiconductors N.V.
英文描述: TV signal processor-Teletext decoder with embedded m-Controller
中文描述: 電視信號(hào)處理器與嵌入式米圖文電視解碼器控制器
文件頁數(shù): 62/140頁
文件大小: 570K
代理商: TDA938X
Philips Semiconductors
Preliminary specification
1999 Sep 28
62
TV signal processor-Teletext decoder with
embedded
μ
-Controller
TDA 935X/6X/8X series
takes effect at the start of the next character (’Set After’) and remain valid until the end of the row, or until
modified by a control character. Only 8 foreground colours are available.
The TEXT foreground control characters map to the CLUT entries as shown in Table 17.
Background Colour
CC:- This attribute is valid from the time set until end of row or otherwise modified if set with Serial Mode 0. If
set with Serial Mode 1, then the colour is set from the next character onwards. The background colour can be
chosen from all 16 CLUT entries.
TXT:- The control character ’New background’ (1Dh) is used to change the background colour to the current
foreground colour. The selection is immediate (’Set at’) and remains valid until the end of the row or until
otherwise modified.
The TEXT background control characters map to the CLUT entries as shown in Table 18.
Control Code
Defined Colour
CLUT Entry
00h
Black
0
01h
Red
1
02h
Green
2
03h
Yellow
3
04h
Blue
4
05h
Magenta
5
06h
Cyan
6
07h
White
7
Table 17 Foreground CLUT mapping
Control Code
Defined Colour
CLUT Entry
00h+1Dh
Black
8
01h+1Dh
Red
9
02h+1Dh
Green
10
03h+1Dh
Yellow
11
04h+1Dh
Blue
12
05h+1Dh
Magenta
13
06h+1Dh
Cyan
14
07h+1Dh
White
15
Table 18 Background CLUT mapping
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