2004 Mar 16
130
Philips Semiconductors
Product specification
PC-CODEC
SAA7108E; SAA7109E
Table 91
Subaddress 5EH
Notes
1.
2.
Output black level/IRE = BLNNL
×
2/6.29 + 25.4.
Output black level/IRE = BLNNL
×
2/6.18 + 25.9; default after reset: 35H.
Table 92
Subaddress 5FH
Table 93
Logic levels and function of CCRS
Table 94
Subaddress 61H
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
BLNNL
variable blanking level
white-to-sync = 140 IRE;
note 1
BLNNL = 0; note 1
BLNNL = 63 (3FH); note 1
white-to-sync = 143 IRE;
note 2
BLNNL = 0; note 2
BLNNL = 63 (3FH); note 2
recommended value: BLNNL = 46 (2EH)
output blanking level = 25 IRE
output blanking level = 45 IRE
recommended value: BLNNL = 53 (35H)
output blanking level = 26 IRE
output blanking level = 46 IRE
DATA BYTE
DESCRIPTION
CCRS
BLNVB
select cross-colour reduction filter in luminance; see Table 93
variable blanking level during vertical blanking interval is typically identical to value of BLNNL
CCRS1
CCRS0
DESCRIPTION
0
0
1
1
0
1
0
1
no cross-colour reduction; for overall transfer characteristic of luminance see Fig.7
cross-colour reduction #1 active; for overall transfer characteristic see Fig.7
cross-colour reduction #2 active; for overall transfer characteristic see Fig.7
cross-colour reduction #3 active; for overall transfer characteristic see Fig.7
DATA BYTE
LOGIC
LEVEL
0
1
0
1
0
1
0
DESCRIPTION
DOWND
digital core in normal operational mode; default after reset
digital core in sleep mode and is reactivated with an I
2
C-bus address
DACs in normal operational mode; default after reset
DACs in Power-down mode
luminance gain for white
black 100 IRE
luminance gain for white
black 92.5 IRE including 7.5 IRE set-up of black
enlarged bandwidth for chrominance encoding (for overall transfer characteristic of
chrominance in baseband representation see Figs 5 and 6)
standard bandwidth for chrominance encoding (for overall transfer characteristic of
chrominance in baseband representation see Figs 5 and 6); default after reset
NTSC encoding (non-alternating V component)
PAL encoding (alternating V component)
864 total pixel clocks per line
858 total pixel clocks per line
DOWNA
YGS
SCBW
1
PAL
0
1
0
1
FISE