參數(shù)資料
型號： SAA7128
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
文件頁數(shù)： 28/56頁
文件大小： 192K
代理商： SAA7128
2000 Mar 08
28
Philips Semiconductors
Product specification
Digital video encoder
SAA7128H; SAA7129H
Table 44
BSTA values
Note
1.
All IRE values are rounded up.
Table 45
Subaddresses 63H to 66H
Note
1.
Examples:
a) NTSC-M: f
sc
= 227.5, f
llc
= 1716
→
FSC = 569408543 (21F07C1FH).
b) PAL-B/G: f
sc
= 283.7516, f
llc
= 1728
→
FSC = 705268427 (2A098ACBH).
c) SECAM: f
sc
= 274.304, f
llc
= 1728
→
FSC = 681786290 (28A33BB2H).
CONDITIONS
(1)
ENCODING
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
fixed burst amplitude with SECAM encoding
recommended value: BSTA = 63 (3FH)
recommended value: BSTA = 45 (2DH)
recommended value: BSTA = 67 (43H)
recommended value: BSTA = 47 (2FH); default value after reset
ADDRESS
BYTE
DESCRIPTION
63H
FSC[07:00]
These 4 bytes are used to program the subcarrier frequency. FSC[31:24] is the most
significant byte, FSC[07:00] is the least significant byte.
f
sc
= subcarrier frequency (in multiples of line frequency)
f
llc
= clock frequency (in multiples of line frequency)
f
llc
64H
FSC[15:08]
65H
66H
FSC[23:16]
FSC[31:24]
; note 1
FSC
round
f
2
32
×
=
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SAA7128H Digital video encoder
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
SAA7129 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
SAA7129/DENC29A 制造商:NXP Semiconductors 功能描述:
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