參數(shù)資料
型號(hào)： SAA7127
廠商： NXP Semiconductors N.V.
英文描述： Digital video encoder
中文描述： 數(shù)字視頻編碼器
文件頁(yè)數(shù)： 18/40頁(yè)
文件大?。?/td> 155K
代理商： SAA7127
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(guān)PDF資料
PDF描述
SAA7127H Digital video encoder
SAA7128A Digital video encoder
SAA7128AH Digital video encoder
SAA7129AH Digital video encoder
SAA7129AH Digital video encoder
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
SAA7128H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*