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TDA884X Video Processor
Pin
Designation
1
SNDIF
2
AUDIOEXT
3
NC
4
NC
5
PLLLF
6
IFVO
7
SCL
8
SDA
9
DEC
BG
10
CHROMA
11
CVBS/Y
12
V
P1
13
CVBS
INT
14
GND 1
15
AUDIOOUT
16
SECPLL
17
CVBS
EXT
18
BLKIN
19
BO
20
GO
21
RO
22
BCLIN
23
RI
24
GI
25
BI
27
RGBIN
27
LUMIN
28
LUMOUT
29
BYO
30
RYO
31
BYI
32
RYI
33
REFO
34
XTAL1
35
XTAL2
36
DET
37
V
P2
38
CVBS1O
39
DECDIG
40
HOUT
41
FBISO
42
PH2LF
43
PH1LF
44
GND2
45
EWD
46
VDRB
47
VDRA
48
IFIN1
49I
FIN2
50
EHTO
51
VSC
52
I
REF
53
DEC
AGC
54
AGCOUT
55
AUDEEM
56
DECSDEM
Table 2 – TDA884X Pin Designations
I/O
Description
I
Sound IF
I
External Audio
Not Connected
Not Connected
IF-PLL loop filter
O
IF Video
I
Serial Clock
I/O
Serial data
Bandgap de-coupling
I
Chrominance
I
External CVBS/Y
Main supply voltage 1 (+8V)
I
Internal CVBS
Ground 1
O
Audio
SECAM PLL de-coupling
I
External CVBS
I
Black-current
O
Blue
O
Green
O
Red
I
Beam current limiter input/V-guard input
I
Red input for insertion
I
Green input for insertion
I
Blue input for insertion
I
RGB insertion
I
Luminance
O
Luminance
O
(B-Y) signal
O
(R-Y) signal
I
(B-Y) signal
I
(R-Y) signal
O
Sub-carrier reference
3.58MHz crystal connection
4.43/3.58MHz crystal connection
Loop filter phase detector
2nd supply voltage 1 (+8V)
O
CVBS-1
De-coupling digital supply
O
Horizontal
I/O
Flyback input/sandcastle output
Phase-2 filter
Phase-1 filter
Ground 2
O
East-west drive
O
Vertical drive B
O
Vertical drive A
I
IF input 1
I
IF input 2
I
EHT overvoltage protection
Vertical sawtooth capacitor
I
Reference current
AGC de-coupling capacitor
O
Tuner AGC
Audio de-emphasis
De-coupling sound demodulator
18
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