SAA7128AH/V1,557 NXP Semiconductors, SAA7128AH/V1,557 Datasheet - Page 23
SAA7128AH/V1,557
Manufacturer Part Number
SAA7128AH/V1,557
Description
Manufacturer
NXP Semiconductors
Datasheet
1.SAA7128AHV1557.pdf
(55 pages)
Specifications of SAA7128AH/V1,557
Lead Free Status / RoHS Status
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Philips Semiconductors
Table 31 Subaddress 5AH
Table 32 Subaddress 5BH
Table 33 GAINU values
Note
1. All IRE values are rounded up.
Table 34 Subaddress 5CH
2003 Dec 09
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)
Digital video encoder
7 to 0
7 to 0
7 to 0
BIT
BIT
BIT
CONDITIONS
GAINU[7:0]
GAINV[7:0]
CHPS[7:0]
SYMBOL
SYMBOL
SYMBOL
(1)
Phase of encoded colour subcarrier (including burst) relative to horizontal sync; can be
adjusted in steps of 360/256 degrees.
These are the 8 LSBs of the 9-bit code that selects the variable gain for the C
input representation in accordance with “ITU-R BT.601” ; see Table 33. The MSB is held
in subaddress 5DH; see Table 36.
GAINU = 2.17
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
GAINU = 2.05
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
nominal GAINU for SECAM encoding
These are the 8 LSBs of the 9-bit code that selects the variable gain for the C
input representation in accordance with “ITU-R BT.601” ; see Table 35. The MSB is held
in subaddress 5EH; see Table 38.
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
nominal to +2.16
nominal to +2.04
23
DESCRIPTION
DESCRIPTION
DESCRIPTION
nominal
nominal
ENCODING
SAA7128AH; SAA7129AH
Product specification
B
R
signal;
signal;
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