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參數(shù)資料
| 型號： | SAA7126H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉(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)： | 18/40頁 |
| 文件大小： | 155K |
| 代理商： | SAA7126H |
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1999 May 31
18
Philips Semiconductors
Product specification
Digital video encoder
SAA7126H; SAA7127H
Table 24
Subaddress 62BH
Table 25
Subaddresses 63H to 66H (four bytes to program subcarrier frequency)
Note
1.
Examples:
a) NTSC-M: f
fsc
= 227.5, f
llc
= 1716
→
FSC = 569408543 (21F07C1FH).
b) PAL-B/G: f
fsc
= 283.7516, f
llc
= 1728
→
FSC = 705268427 (2A098ACBH).
Table 26
Subaddresses 67H to 6AH
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
BSTA
amplitude of colour burst;
input representation in
accordance with
“CCIR 601”
white-to-black = 92.5 IRE;
burst = 40 IRE; NTSC encoding
BSTA = 0 to 2.02
×
nominal
white-to-black = 92.5 IRE;
burst = 40 IRE; PAL encoding
BSTA = 0 to 2.82
×
nominal
white-to-black = 100 IRE;
burst = 43 IRE; NTSC encoding
BSTA = 0 to 1.90
×
nominal
white-to-black = 100 IRE;
burst = 43 IRE; PAL encoding
BSTA = 0 to 3.02
×
nominal
recommended value:
BSTA = 63 (3FH)
recommended value:
BSTA = 45 (2DH)
recommended value:
BSTA = 67 (43H)
recommended value:
BSTA = 47 (2FH); default after
reset
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
FSC0 to FSC3
f
fsc
= subcarrier frequency
(in multiples of line
frequency); f
llc
= clock
frequency (in multiples of
line frequency)
;
note 1
FSC3 = most significant byte;
FSC0 = least significant byte
DATA BYTE
DESCRIPTION
REMARKS
L21O0
L21O1
L21E0
L21E1
first byte of captioning data, odd field
second byte of captioning data, odd field
first byte of extended data, even field
second byte of extended data, even field
LSBs of the respective bytes are encoded
immediately after run-in and framing code, the
MSBs of the respective bytes have to carry the
parity bit, in accordance with the definition of
line 21 encoding format.
FSC
round
f
f
llc
-------
2
32
×
=
相關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 |
相關代理商/技術參數(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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