SAA7151 Philips Semiconductors, SAA7151 Datasheet - Page 36

• Manufacturer Part Number: SAA7151
• Description: Digital multistandard colour decoder with SCART interface DMSD2-SCART
• Manufacturer: Philips Semiconductors

Philips Semiconductors
April 1993
COLO
“0D”
CHSB
GPSW0
SUVI
SXCR
FDSL2 to FDSL0
CCIR
“0E”
COFF
OEHS
OEVS
UVSS
CHRS
CDMO, CDPO
AUFD
“0F”
FSEL
HPLL
SCEN
VTRC
MUIV
FSIV
WIND
- - - - - - - -
- - - - - - - -
Digital multistandard colour decoder with
SCART interface (DMSD2-SCART)
Colour-on bit:
Chrominance (UV) output code:
General purpose port output (pin 63):
SECAM UV output signal polarity:
SECAM cross-colour reduction:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Fast switching delay adjustment in 37 ns steps:
Set CCIR mode: 0 = digital TV mode (DTV); 1 = CCIR mode
Set colour off: 0 = colour on; 1 = colour off
Enable horizontal sync outputs HS and HREF:
Enable vertical sync output VS:
Select UV pixel sample:
S-Video input mode:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Chrominance delay:
Automatic field detection:
Field select (AUFD-bit = 0):
Horizontal PLL:
Sync and clamping pulse enable:
VTR/TV mode select:
MUXC signal invertion:
Fast switch input signal inversion:
Narrow fast switch window:
FDSL2
0
0
0
0
1
1
1
1
FDSL1
0
0
1
1
0
0
1
1
FDSL0
0
1
0
1
0
1
0
1
CDMO
0
1
0
36
0 = colour-killer automatically enabled;
1 = forced colour-on.
delay
0
37 ns
74 ns
111 ns
0 = output high-impedance; 1 = VS enabled
1 = first pixel after U/V signal has changed;
0 = second pixel (free of crosstalk signals)
0 = chrominance signal from CVBS or CUV input
1 = S-Video mode; chrominance signal from CUV input
CDPO
0
X
1
0 = field selection by FSEL-bit;
1 = automatic field detection
0 = 50 Hz (625 lines);
1 = 60 Hz (525 lines)
0 = PLL closed; 1 = PLL open, horizontal frequency fixed
148 ns (negative delay)
111 ns
74 ns
37 ns
and controlled by BYPS (subaddress 06);
0 = two’s complement; 1 = straightly binary
0 = LOW; 1 = HIGH
0 = U and V positive; 1 = U and V negative
0 = off; 1 = on
0 = output high-impedance;
1 = HS and HREF enabled
0 = HCL and HSY outputs HIGH (pins 26 and
29);
1 = HCL and HSY outputs active.
0 = TV mode (slow time constant);
1 = VTR mode (fast time constant).
0 = inverted; 1 = not inverted
0 = not inverted; 1 = inverted
0 = off; 1 = on
no delay
37 ns (negative delay)
37 ns
Product specification
SAA7151B