PNX3000 Datasheet, PDF (19/51 Pages) NXP Semiconductors – Analog front end for digital video processors

Philips Semiconductors
Analog front end for digital video
processors
Table 41 Clamp mode secondary CVBS channel
CMS
0
1
MODE
top sync clamping mode
black level clamping mode
Table 42 Clamp mode primary CVBS channel
CMP
0
1
MODE
top sync clamping mode
black level clamping mode
Table 43 Selection of CVBS output A
CVA3
0
0
0
0
1
0
1
0
CVA2 CVA1
0
0
0
0
0
1
0
1
0
1
1
0
1
0
1
0
other
CVA0
0
1
0
1
1
0
0
1
SELECTED
SIGNAL
CVBS_IF
CVBS1
CVBS2
CVBS3
Y + C3
CVBS4
Y + C4
CVBS_DTV
output muted
Table 44 Mute SCART2 audio output
MA2
0
1
MODE
normal operation
SCART2 audio output muted
Table 45 Mute SCART1 audio output
MA1
0
1
MODE
normal operation
SCART1 audio output muted
Table 46 Mute LINE audio output
MA0
0
1
MODE
normal operation
LINE audio output muted
Preliminary specification
PNX3000
Table 47 Selection of CVBS output B
CVB3
0
0
0
0
1
0
1
0
CVB2 CVB1
0
0
0
0
0
1
0
1
0
1
1
0
1
0
1
0
other
CVB0
SELECTED
SIGNAL
0 CVBS_IF
1 CVBS1
0 CVBS2
1 CVBS3
1 Y + C3
0 CVBS4
0 Y + C4
1 CVBS_DTV
output muted
Table 48 Selection of RGB/YUV input
RSEL
SELECTED SIGNAL
0 RGB1 input
1 RGB2 input
Table 49 RGB/YUV input mode
MAT
0
0
1
1
DVD
0
1
0
1
MODE
YUV input; note 1
YPbPr input; note 2
RGB input; note 3
spare
Notes
1. YUV input is an Y, −(B−Y) and −(R−Y) input with the
specification:
a) Y = 1.43 V (p-p); U = 1.33 V (p-p);
V = 1.05 V (p-p).
b) These signal amplitudes are based on a colour bar
signal with 75 % saturation.
2. YPbPr input with the specification:
a) Y = 1.0 V (p-p); Pb = 0.7 V (p-p); Pr = 0.7 V (p-p).
b) These signal amplitudes are based on a colour bar
signal with 100 % saturation.
3. RGB input with the specification:
a) R = 0.7 × V_B-W; G = 0.7 × V_B-W; B = 0.7 × V_B-W.
b) These signal amplitudes are based on a colour bar
signal with 100 % saturation.
2004 Oct 04
19