2004 Mar 01
47
Philips Semiconductors
Product specification
Digital video encoder
SAA7102; SAA7103
Table 57 Subaddress 5EH
Notes
1. Output black level/IRE = BLNNL
×
2/6.29 + 25.4.
2. Output black level/IRE = BLNNL
×
2/6.18 + 25.9; default after reset: 35H.
Table 58 Subaddress 5FH
Table 59 Logic levels and function of CCRS
Table 60 Subaddress 61H
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
BLNNL
variable blanking level
white-to-sync = 140 IRE;
note 1
recommended value: BLNNL = 46 (2EH)
BLNNL = 0; note 1
output blanking level = 25 IRE
BLNNL = 63 (3FH); note 1
output blanking level = 45 IRE
white-to-sync = 143 IRE;
note 2
recommended value: BLNNL = 53 (35H)
BLNNL = 0; note 2
output blanking level = 26 IRE
BLNNL = 63 (3FH); note 2
output blanking level = 46 IRE
DATA BYTE
DESCRIPTION
CCRS
select cross-colour reduction filter in luminance; see Table 59
BLNVB
variable blanking level during vertical blanking interval is typically identical to value of BLNNL
CCRS1
CCRS0
DESCRIPTION
0
0
no cross-colour reduction; for overall transfer characteristic of luminance see Fig.6
0
1
cross-colour reduction #1 active; for overall transfer characteristic see Fig.6
1
0
cross-colour reduction #2 active; for overall transfer characteristic see Fig.6
1
1
cross-colour reduction #3 active; for overall transfer characteristic see Fig.6
DATA BYTE
LOGIC
LEVEL
DESCRIPTION
DOWND
0
digital core in normal operational mode; default after reset
1
digital core in sleep mode and is reactivated with an I
2
C-bus address
DOWNA
0
DACs in normal operational mode; default after reset
1
DACs in Power-down mode
YGS
0
luminance gain for white
−
black 100 IRE
1
luminance gain for white
−
black 92.5 IRE including 7.5 IRE set-up of black
SCBW
0
enlarged bandwidth for chrominance encoding (for overall transfer characteristic of
chrominance in baseband representation see Figs 4 and 5)
1
standard bandwidth for chrominance encoding (for overall transfer characteristic of
chrominance in baseband representation see Figs 4 and 5); default after reset
PAL
0
NTSC encoding (non-alternating V component)
1
PAL encoding (alternating V component)
FISE
0
864 total pixel clocks per line
1
858 total pixel clocks per line