參數(shù)資料
型號(hào)： SAA7126H
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： Digital video encoder
中文描述： COLOR SIGNAL ENCODER, PQFP44
封裝： 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù)： 22/40頁
文件大小： 155K
代理商： SAA7126H
1999 May 31
22
Philips Semiconductors
Product specification
Digital video encoder
SAA7126H; SAA7127H
Table 40
Subaddress 75H
Table 41
Subaddresses 76H, 77H and 7CH
Table 42
Subaddresses 78H, 79H and 7CH
Table 43
Subaddress 7CH
Table 44
Subaddresses 7AH to 7CH
DATA BYTE
DESCRIPTION
VS_S
vertical sync shift between RCV1 and RCV2 (switched to output); in master mode it is possible to shift
H-sync (RCV2; CBLF = 0) against V-sync (RCV1; SRCV1 = 00)
standard value: VS_S = 3
advanced composite sync against RGB output from 0LLC to 31LLC
CSYNCA
DATA BYTE
DESCRIPTION
REMARKS
TTXOVS
first line of occurrence of signal on pin TTXRQ in odd field
line = (TTXOVS + 4) for M-systems
line = (TTXOVS + 1) for other systems
last line of occurrence of signal on pin TTXRQ in odd field
line = (TTXOVE + 3) for M-systems
line = TTXOVE for other systems
PAL: TTXOVS = 05H;
NTSC: TTXOVS = 06H
TTXOVE
PAL: TTXOVE = 16H;
NTSC: TTXOVE = 10H
DATA BYTE
DESCRIPTION
REMARKS
TTXEVS
first line of occurrence of signal on pin TTXRQ in even field
line = (TTXEVS + 4) for M-systems
line = (TTXEVS + 1) for other systems
last line of occurrence of signal on pin TTXRQ in even field
line = (TTXEVE + 3) for M-systems
line = TTXEVE for other systems
PAL: TTXEVS = 04H;
NTSC: TTXEVS = 05H
TTXEVE
PAL: TTXEVS = 16H;
NTSC: TTXEVS = 10H
DATA BYTE
LOGIC
LEVEL
DESCRIPTION
TTXO
0
new TTX protocol selected: at each rising edge of TTXRQ a single TTX bit is requested
see Fig.14; default after reset
old TTX protocol selected: the encoder provides a window of TTXRQ going HIGH; the
length of the window depends on the chosen TTX standard see Fig.14
enables NABTS (FISE = 1) or European TTX (FISE = 0); default after reset
enables world standard teletext 60 Hz (FISE = 1)
1
TTX60
0
1
DATA BYTE
DESCRIPTION
FAL
first active line = FAL + 4 for M-systems, = FAL + 1 for other systems, measured in lines
FAL = 0 coincides with the first field synchronization pulse
last active line = LAL + 3 for M-systems, = LAL for other system, measured in lines
LAL = 0 coincides with the first field synchronization pulse
LAL
相關(guān)PDF資料
PDF描述
SAA7127 Digital video encoder
SAA7127H Digital video encoder
SAA7128A Digital video encoder
SAA7128AH Digital video encoder
SAA7129AH Digital video encoder
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA7127 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
SAA7127H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
SAA7128 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
SAA7128A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
SAA7128AH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
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