PNX3000 Просмотр технического описания (PDF) - Philips Electronics
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PNX3000 Datasheet PDF : 51 Pages
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Philips Semiconductors
Analog front end for digital video
processors
Preliminary specification
PNX3000
6 PINNING
SYMBOL
CVBS2
VAUDO
VAUDS
CVBS/Y3
C3
GND(VSW)
BGDEC
CVBS/Y4
C4
FUSE
GND(FILT)
CVBS_DTV
RREF
VCC(FILT)
YCOMB
CCOMB
AMEXT
TESTPIN3
CVBSOUTA
VDEFLO
VDEFLS
CVBSOUTB
FUSE
TESTPIN2
R1/PR1/V1
G1/Y1/Y1
B1/PB1/U1
VCC(RGB)
GND(RGB)
R2/PR2/V2
G2/Y2/Y2
B2/PB2/U2
FUSE
GND(VADC)
VCC(VADC)
EWVIN
EWIOUT
REW
ADR
XREF
2004 Oct 04
PIN
DESCRIPTION
1
CVBS2 input
2
DC output voltage for supply of audio DACs in digital decoder
3
sense voltage input for audio DACs supply
4
external CVBS/Y3 input
5
external CHROMA3 input
6
ground video switch
7
bandgap decoupling
8
external CVBS/Y4 input
9
external CHROMA4 input
10
fused lead
11
ground filters
12
input for CVBS encoded signal from DTV decoder
13
reference current input
14
supply voltage filters (5 V)
15
Y signal input from 3D Comb filter
16
C signal input from 3D Comb filter
17
external AM mono input
18
test pin 3; must be left open
19
CVBS or Y+CHROMA output A
20
DC output voltage for supply of deflection DACs in digital decoder
21
sense input voltage for deflection DACs supply
22
CVBS or Y+CHROMA output B
23
fused lead
24
test pin 2; connect to ground
25
R input 1 of RGB signal Pr input 1 of YPbPr signal or V input 1 of YUV signal
26
G input 1 of RGB signal or Y input 1 of YPbPr signal or Y input 1 of YUV signal
27
B input 1 of RGB signal Pb input 1 of YPbPr signal or U input 1 of YUV signal
28
supply voltage RGB matrix (5 V)
29
ground RGB matrix
30
R input 2 of RGB signal Pr input 2 of YPbPr signal or V input 2 of YUV signal
31
G input 2 of RGB signal or Y input 2 of YPbPr signal or Y input 2 of YUV signal
32
B input 2 of RGB signal Pb input 2 of YPbPr signal or U input 2 of YUV signal
33
fused lead
34
ground video ADCs
35
supply voltage video ADCs (5 V)
36
east-west input voltage
37
east-west output current
38
east-west voltage to current conversion resistor
39
I2C-bus address selection input
40
XTAL reference frequency input
6
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