
2004 Mar 03
100
Philips Semiconductors
Product specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI data slicer and high performance scaler
SAA7114
15.2.9
S
UBADDRESS
08H
Table 47
Sync control; 08H[7:0]
BIT
DESCRIPTION
SYMBOL VALUE
FUNCTION
D7
automatic field detection
AUFD
0
1
0
1
0
1
field state directly controlled via FSEL
automatic field detection;
recommended setting
50 Hz, 625 lines
60 Hz, 525 lines
ODD/EVEN signal toggles only with interlaced source
ODD/EVEN signal toggles fieldwise even if source is
non-interlaced
TV mode, recommended for poor quality TV signals only; do
not use for new applications
VTR mode, recommended if a deflection control circuit is
directly connected to the SAA7114
reserved
fast locking mode;
recommended setting
PLL closed
PLL open; horizontal frequency fixed
normal mode;
recommended setting
fast mode, applicable for stable sources only; automatic field
detection (AUFD)
must
be disabled
free running mode
vertical noise reduction bypassed
D6
field selection; active if
AUFD = 0
FSEL
D5
forced ODD/EVEN toggle
FOET
D[4:3] horizontal time constant
selection
HTC[1:0]
00
01
10
11
0
1
00
01
D2
horizontal PLL
HPLL
D[1:0] vertical noise reduction
VNOI[1:0]
10
11