參數(shù)資料
型號(hào)： 935212530518
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL ENCODER, PQCC68
封裝： PLASTIC, LCC-68
文件頁(yè)數(shù)： 6/39頁(yè)
文件大?。?/td> 289K
代理商： 935212530518
1996 Jul 03
14
Philips Semiconductors
Preliminary specication
Digital Video Encoders (DENC2-M6)
SAA7184; SAA7185B
Table 8
Subaddress 42 to 59
Notes
1. Contents of OVL 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 10075 (lower number) colour bar.
2. For normal colour bar with CBENB = logic 1.
Table 9
Subaddress 5A
Table 10 Subaddress 5B and 5D
Notes
1. GAINU =
2.17 × nominal to +2.16 × nominal.
2. GAINU =
2.05 × nominal to +2.04 × nominal.
COLOUR
DATA BYTE(1)
INDEX(2)
OVLY
OVLU
OVLV
White
107 (6BH)
0 (00H)
0
107 (6BH)
0 (00H)
Yellow
82 (52H)
144 (90H)
18 (12H)
1
34 (22H)
172 (ACH)
14 (0EH)
Cyan
42 (2AH)
38 (26H)
144 (90H)
2
03 (03H)
29 (1DH)
172 (ACH)
Green
17 (11H)
182 (B6H)
162 (A2H)
3
240 (F0H)
200 (C8H)
185 (B9H)
Magenta
234 (EAH)
74 (4AH)
94 (5EH)
4
212 (D4H)
56 (38H)
71 (47H)
Red
209 (D1H)
218 (DAH)
112 (70H)
5
193 (C1H)
227 (E3H)
84 (54H)
Blue
169 (A9H)
112 (70H)
238 (EEH)
6
163 (A3H)
84 (54h)
242 (F2H)
Black
144 (90H)
0 (00H)
7
144 (90H)
0 (00H)
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
REMARKS
GAINU
variable gain for Cb signal;
input representation in
accordance with
“CCIR 601”
white-to-black = 92.5 IRE(1)
GAINU = 0
output subcarrier of U contribution = 0
GAINU = 118 (76H)
output subcarrier of U contribution = nominal
white-to-black = 100 IRE(2)
GAINU = 0
output subcarrier of U contribution = 0
GAINU = 125 (7DH)
output subcarrier of U contribution = nominal
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