Philips Semiconductors
Preliminary specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI-data slicer and high performance scaler
SAA7114H
15.2.9 SUBADDRESS 08H
Table 45 Sync control; 08H[7:0]
BIT
DESCRIPTION
SYMBOL VALUE
FUNCTION
D7 automatic field detection
AUFD
FSEL
FOET
0
1
0
1
0
1
field state directly controlled via FSEL
automatic field detection; recommended setting
50 Hz, 625 lines
D6 field selection
60 Hz, 525 lines
D5 forced ODD/EVEN toggle
ODD/EVEN signal toggles only with interlaced source
ODD/EVEN signal toggles fieldwise even if source is
non-interlaced
D[4:3] horizontal time constant
selection
HTC[1:0]
00
01
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 SAA7114H
10
11
0
reserved
fast locking mode; recommended setting
PLL closed
D2 horizontal PLL
HPLL
1
PLL open; horizontal frequency fixed
normal mode; recommended setting
D[1:0] vertical noise reduction
VNOI[1:0]
00
01
fast mode, applicable for stable sources only; automatic field
detection (AUFD) must be disabled
10
11
free running mode
vertical noise reduction bypassed
2000 Mar 15
94