saa7121h-v2 NXP Semiconductors, saa7121h-v2 Datasheet - Page 14

• Manufacturer Part Number: saa7121h-v2
• Description: Digital Video Encoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 12 Subaddresses 5BH and 5DH
Table 13 Subaddresses 5CH and 5EH
Table 14 Subaddress 5DH
Notes
1. Output black level/IRE = BLCKL
2. Output black level/IRE = BLCKL
2002 Oct 11
GAINU
GAINV
BLCKL
DECOE
DATA BYTE
DATA BYTE
DATA BYTE
Digital video encoder
variable gain for
C
representation in
accordance with
“CCIR 601”
variable gain for
C
representation in
accordance with
“CCIR 601”
variable black level; input
representation in
accordance with
“CCIR 601”
real-time control
B
R
signal; input
signal; input
DESCRIPTION
DESCRIPTION
DESCRIPTION
2/6.29 + 34.0.
2/6.18 + 31.7.
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)
white-to-sync = 140 IRE;
note 1
BLCKL = 0; note 1
BLCKL = 63 (3FH); note 1
white-to-sync = 143 IRE;
note 2
BLCKL = 0; note 2
BLCKL = 63 (3FH); note 2
logic 0
logic 1
CONDITIONS
CONDITIONS
CONDITIONS
14
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
recommended value: BLCKL = 42 (2AH)
output black level = 34 IRE
output black level = 54 IRE
recommended value: BLCKL = 35 (23H)
output black level = 32 IRE
output black level = 52 IRE
disable odd/even field control bit from RTCI
enable odd/even field control bit from RTCI
(see Fig.9)
SAA7120H; SAA7121H
REMARKS
REMARKS
REMARKS
nominal to +1.55
nominal to +1.46
nominal to +2.16
nominal to +2.04
Product specification
nominal
nominal
nominal
nominal