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參數資料
| 型號： | SAA7128AH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉換 |
| 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： | 23/55頁 |
| 文件大?。?/td> | 262K |
| 代理商： | SAA7128AH |
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2003 Dec 09
23
Philips Semiconductors
Product specification
Digital video encoder
SAA7128AH; SAA7129AH
Table 31
Subaddress 5AH
Table 32
Subaddress 5BH
Table 33
GAINU values
Note
1.
All IRE values are rounded up.
Table 34
Subaddress 5CH
BIT
SYMBOL
DESCRIPTION
7 to 0
CHPS[7:0]
Phase of encoded colour subcarrier (including burst) relative to horizontal sync; can be
adjusted in steps of 360/256 degrees.
0FH = PAL-B/G and data from input ports
3AH = PAL-B/G and data from look-up table
35H = NTSC-M and data from input ports
57H = NTSC-M and data from look-up table
BIT
SYMBOL
DESCRIPTION
7 to 0
GAINU[7:0]
These are the 8 LSBs of the 9-bit code that selects the variable gain for the C
B
signal;
input representation in accordance with “ITU-R BT601” see Table 33. The MSB is held
in subaddress 5DH; see Table 36.
CONDITIONS
(1)
ENCODING
white-to-black = 92.5 IRE
GAINU[8:0] = 0
GAINU[8:0] = 118 (76H)
white-to-black = 100 IRE
GAINU[8:0] = 0
GAINU[8:0] = 125 (7DH)
GAINU[8:0] = 106 (6AH)
GAINU =
2.17
×
nominal to +2.16
×
nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
GAINU =
2.05
×
nominal to +2.04
×
nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
nominal GAINU for SECAM encoding
BIT
SYMBOL
DESCRIPTION
7 to 0
GAINV[7:0]
These are the 8 LSBs of the 9-bit code that selects the variable gain for the C
R
signal;
input representation in accordance with “ITU-R BT601” see Table 35. The MSB is held
in subaddress 5EH; see Table 38.
相關PDF資料 |
PDF描述 |
|---|---|
| SAA7129AH | Digital video encoder |
| SAA7129AH | Digital video encoder |
| SAA7128 | Digital video encoder |
| SAA7128H | Digital video encoder |
| SAA7129 | Digital video encoder |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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: |
| SAA7129AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder |
| SAA7129AH/V1,518 | 功能描述:視頻 IC DIG VID ENCODER NTSC PAL SECAM RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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