SAA7108AE Datasheet, PDF (147/208 Pages) NXP Semiconductors – HD-CODEC

NXP Semiconductors
SAA7108AE; SAA7109AE
HD-CODEC
11.2.2.16 Subaddress 0Fh
Table 157. Chrominance gain control; 0Fh[7:0]
Bit Description
Symbol Value Function
7
automatic
ACGC
0
chrominance gain
1
control
on
programmable gain via CGAIN6 to
CGAIN0; need to be set for SECAM
standard
6 to 0 chrominance gain
value (if ACGC is set
to logic 1)
CGAIN[6:0] 000 0000 minimum gain (0.5)
010 0100 nominal gain (1.125)
111 1111 maximum gain (7.5)
11.2.2.17 Subaddress 10h
Table 158. Chrominance control 2; 10h[7:0]
Bit
Description
Symbol Value
7 and 6 fine offset adjustment
B − Y component
OFFU[1:0] 00
01
10
11
5 and 4 fine offset adjustment
R − Y component
OFFV[1:0] 00
01
10
11
3
chrominance bandwidth;
CHBW
0
see Figure 20 and Figure 21
1
2 to 0
combined luminance and
chrominance bandwidth
adjustment; see
Figure 20 to Figure 26
LCBW[2:0] 000
...
111
Function
0 LSB
1_{⁄4 LSB}
1_{⁄2 LSB}
3_{⁄4 LSB}
0 LSB
1_{⁄4 LSB}
1_{⁄2 LSB}
3_{⁄4 LSB}
small
wide
smallest chrominance
bandwidth and largest
luminance bandwidth
... to ...
largest chrominance
bandwidth and smallest
luminance bandwidth
11.2.2.18 Subaddress 11h
Table 159. Mode/delay control; 11h[7:0]
Bit
Description
Symbol
7
color on
COLO
6
polarity of RTS1 output signal RTP1
5 and 4 fine position of HS (steps in
2/LLC)
HDEL[1:0]
Value
0
1
0
1
00
01
10
11
Function
automatic color killer enabled
color forced on
non-inverted
inverted
0
1
2
3
SAA7108AE_SAA7109AE_3
Product data sheet
Rev. 03 — 6 February 2007
© NXP B.V. 2007. All rights reserved.
147 of 208