2004 Oct 04
6
Philips Semiconductors
Preliminary specification
Analog front end for digital video
processors
PNX3000
6
PINNING
SYMBOL
PIN
DESCRIPTION
CVBS2
VAUDO
VAUDS
CVBS/Y3
C3
GND(VSW)
BGDEC
CVBS/Y4
C4
FUSE
GND(FILT)
CVBS_DTV
RREF
V
CC(FILT)
YCOMB
CCOMB
AMEXT
TESTPIN3
CVBSOUTA
VDEFLO
VDEFLS
CVBSOUTB
FUSE
TESTPIN2
R1/PR1/V1
G1/Y1/Y1
B1/PB1/U1
V
CC(RGB)
GND(RGB)
R2/PR2/V2
G2/Y2/Y2
B2/PB2/U2
FUSE
GND(VADC)
V
CC(VADC)
EWVIN
EWIOUT
REW
ADR
XREF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
CVBS2 input
DC output voltage for supply of audio DACs in digital decoder
sense voltage input for audio DACs supply
external CVBS/Y3 input
external CHROMA3 input
ground video switch
bandgap decoupling
external CVBS/Y4 input
external CHROMA4 input
fused lead
ground filters
input for CVBS encoded signal from DTV decoder
reference current input
supply voltage filters (5 V)
Y signal input from 3D Comb filter
C signal input from 3D Comb filter
external AM mono input
test pin 3; must be left open
CVBS or Y+CHROMA output A
DC output voltage for supply of deflection DACs in digital decoder
sense input voltage for deflection DACs supply
CVBS or Y+CHROMA output B
fused lead
test pin 2; connect to ground
R input 1 of RGB signal Pr input 1 of YPbPr signal or V input 1 of YUV signal
G input 1 of RGB signal or Y input 1 of YPbPr signal or Y input 1 of YUV signal
B input 1 of RGB signal Pb input 1 of YPbPr signal or U input 1 of YUV signal
supply voltage RGB matrix (5 V)
ground RGB matrix
R input 2 of RGB signal Pr input 2 of YPbPr signal or V input 2 of YUV signal
G input 2 of RGB signal or Y input 2 of YPbPr signal or Y input 2 of YUV signal
B input 2 of RGB signal Pb input 2 of YPbPr signal or U input 2 of YUV signal
fused lead
ground video ADCs
supply voltage video ADCs (5 V)
east-west input voltage
east-west output current
east-west voltage to current conversion resistor
I
2
C-bus address selection input
XTAL reference frequency input