參數(shù)資料
型號: SAA7185WP
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: Digital Video Encoder DENC2
中文描述: COLOR SIGNAL ENCODER, PQCC68
封裝: PLASTIC, SOT-188-2, LCC-68
文件頁數(shù): 14/36頁
文件大小: 251K
代理商: SAA7185WP
1996 Jul 08
14
Philips Semiconductors
Preliminary specification
Digital Video Encoder (DENC2)
SAA7185
Table 8
Subaddress 42 to 59
Notes
1.
Contents of OSD Look-up tables. All 8 entries are 8-bits. Data representation is in accordance with CCIR 601
(Y, Cb, Cr), but two’s complement, e.g. for a
100
100
(upper number) or
100
75
(lower number) colour bar.
For normal colour bar with CBENB = logic 1.
2.
Table 9
Subaddress 5A
Table 10
Subaddress 5B and 5D
Notes
1.
2.
GAINU =
2.17
×
nominal to +2.16
×
nominal.
GAINU =
2.05
×
nominal to +2.04
×
nominal.
COLOUR
DATA BYTE
(note 1)
INDEX
(note 2)
OSDY
OSDU
OSDV
White
107 (6BH)
107 (6BH)
82 (52H)
34 (22H)
42 (2AH)
03 (03H)
17 (11H)
240 (F0H)
234 (EAH)
212 (D4H)
209 (D1H)
193 (C1H)
169 (A9H)
163 (A3H)
144 (90H)
144 (90H)
0 (00H)
0 (00H)
144 (90H)
172 (ACH)
38 (26H)
29 (1DH)
182 (B6H)
200 (C8H)
74 (4AH)
56 (38H)
218 (DAH)
227 (E3H)
112 (70H)
84 (54H)
0 (00H)
0 (00H)
0 (00H)
0 (00H)
18 (12H)
14 (0Eh)
144 (90H)
172 (ACH)
162 (A2H)
185 (B9H)
94 (5EH)
71 (47H)
112 (70H)
84 (54H)
238 (EEH)
242 (F2H)
0 (00H)
0 (00H)
0
Yellow
1
Cyan
2
Green
3
Magenta
4
Red
5
Blue
6
Black
7
DATA BYTE
DESCRIPTION
CHPS
Phase of encoded colour subcarrier (including burst) relative to horizontal sync. Can be adjusted in
steps of 360/256 degrees.
DATA BYTE
DESCRIPTION
CONDITIONS
white-to-black = 92.5 IRE
(1)
GAINU = 0
GAINU = 118 (76H)
white-to-black = 100 IRE
(2)
GAINU = 0
GAINU = 125 (7DH)
REMARKS
GAINU
variable gain for Cb signal;
input representation
accordance with CCIR 601
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
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