SAA7129 Philips Semiconductors, SAA7129 Datasheet - Page 25

• Manufacturer Part Number: SAA7129
• Description: Digital video encoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 36 Subaddress 5DH
Table 37 BLCKL values
Notes
1. All IRE values are rounded up.
2. Output black level/IRE = BLCKL
3. Output black level/IRE = BLCKL
Table 38 Subaddress 5EH
2000 Mar 08
white-to-sync = 140 IRE; note 2 recommended value: BLCKL = 58 (3AH)
BLCKL = 0; note 2
BLCKL = 63 (3FH); note 2
white-to-sync = 143 IRE; note 3 recommended value: BLCKL = 51 (33H)
BLCKL = 0; note 3
BLCKL = 63 (3FH); note 3
Digital video encoder
5 to 0
5 to 0
BIT
BIT
7
6
7
6
CONDITIONS
GAINU8
DECOE
BLCKL[5:0]
GAINV8
DECPH
BLNNL[5:0]
SYMBOL
SYMBOL
(1)
MSB of the 9-bit code that sets the variable gain for the C
real-time control:
variable black level; input representation in accordance with “ITU-R BT.601” ; see
Table 37
output black level = 29 IRE
output black level = 49 IRE
output black level = 27 IRE
output black level = 47 IRE
MSB of the 9-bit code that sets the variable gain for the C
real-time control:
variable blanking level, see Table 39
0 = disable odd/even field control bit from RTCI
1 = enable odd/even field control bit from RTCI (see Fig.22)
0 = disable subcarrier phase reset bit from RTCI
1 = enable subcarrier phase reset bit from RTCI (see Fig.22)
2/6.29 + 28.9.
2/6.18 + 26.5.
25
DESCRIPTION
DESCRIPTION
ENCODING
SAA7128H; SAA7129H
(1)
B
R
signal, see Table 32.
signal, see Table 34.
Product specification