SAA7127 PHILIPS [NXP Semiconductors], SAA7127 Datasheet - Page 15

• Manufacturer Part Number: SAA7127
• Description: Digital video encoder
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
Table 14 Subaddresses 55H to 59H
Table 15 Subaddress 5AH
Table 16 Subaddresses 5BH and 5DH
Table 17 Subaddresses 5CH and 5EH
1999 May 31
VPS5
VPS11
VPS12
VPS13
VPS14
CHPS
GAINU
GAINV
DATA BYTE
DATA BYTE
DATA BYTE
DATA BYTE
Digital video encoder
fifth byte of video programming system data
eleventh byte of video programming system data
twelfth byte of video programming system data
thirteenth byte of video programming system data
fourteenth byte of video programming system data
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”
variable gain for
Cr signal; input
representation in
accordance with
“CCIR 601”
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
white-to-black = 92.5 IRE
GAINU = 0
GAINU = 118 (76H)
white-to-black = 100 IRE
GAINU = 0
GAINU = 125 (7DH)
white-to-black = 92.5 IRE
GAINV = 0
GAINV = 165 (A5H)
white-to-black = 100 IRE
GAINV = 0
GAINV = 175 (AFH)
CONDITIONS
CONDITIONS
15
VALUE
6BH
A3H
95H
46H
LSBs of the respective bytes are encoded
immediately after run-in and framing code in
line 16; all other bytes are not relevant for
VPS
PAL-B/G and data from input ports
PAL-B/G and data from look-up table
NTSC-M and data from input ports
NTSC-M and data from look-up table
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
GAINV = 1.55
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
GAINV = 1.46
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
SAA7126H; SAA7127H
REMARKS
REMARKS
REMARKS
nominal to +1.55
nominal to +1.46
nominal to +2.16
nominal to +2.04
RESULT
Product specification
nominal
nominal
nominal
nominal