SAA7184 Philips Semiconductors, SAA7184 Datasheet - Page 14

• Manufacturer Part Number: SAA7184
• Description: Digital Video Encoders DENC2-M6
• Manufacturer: Philips Semiconductors

Philips Semiconductors
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
2. For normal colour bar with CBENB = logic 1.
Table 9 Subaddress 5A
Table 10 Subaddress 5B and 5D
Notes
1. GAINU = 2.17
2. GAINU = 2.05
1996 Jul 03
DATA BYTE
DATA BYTE
Digital Video Encoders (DENC2-M6)
GAINU
(Y, Cb, Cr), but two’s complement, e.g. for a
CHPS
COLOUR
Magenta
Yellow
Green
White
Black
Cyan
Blue
Red
phase of encoded colour subcarrier (including burst) relative to horizontal sync. Can be adjusted in
steps of 360/256 degrees.
variable gain for Cb signal;
input representation in
accordance with
“CCIR 601”
DESCRIPTION
nominal to +2.16
nominal to +2.04
234 (EAH)
212 (D4H)
209 (D1H)
193 (C1H)
107 (6BH)
107 (6BH)
240 (F0H)
169 (A9H)
163 (A3H)
144 (90H)
144 (90H)
42 (2AH)
82 (52H)
34 (22H)
03 (03H)
17 (11H)
OVLY
nominal.
nominal.
white-to-black = 92.5 IRE
white-to-black = 100 IRE
GAINU = 0
GAINU = 118 (76H)
GAINU = 0
GAINU = 125 (7DH)
100
CONDITIONS
100
DATA BYTE
172 (ACH)
218 (DAH)
227 (E3H)
182 (B6H)
144 (90H)
112 (70H)
200 (C8H)
29 (1DH)
74 (4AH)
38 (26H)
56 (38H)
(upper number) or
84 (54h)
0 (00H)
0 (00H)
0 (00H)
0 (00H)
OVLU
14
DESCRIPTION
(1)
(2)
(1)
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
100
172 (ACH)
238 (EEH)
162 (A2H)
185 (B9H)
144 (90H)
242 (F2H)
112 (70H)
14 (0EH)
94 (5EH)
18 (12H)
71 (47H)
84 (54H)
0 (00H)
0 (00H)
0 (00H)
0 (00H)
OVLV
75
(lower number) colour bar.
SAA7184; SAA7185B
REMARKS
Preliminary specification
INDEX
0
1
2
3
4
5
6
7
(2)