Block Diagram - Philips TDA8443A Datasheet

Philips Semiconductors
2
I C-bus controlled YUV/RGB switch

BLOCK DIAGRAM

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TDA8443A
CLAMP
9 8 12
ON B/ (B Y)
input input
SYNC1
1995 Mar 07
SDA SCL S0 S1 S2
13 14 15 16 17
2
I C-BUS INTERFACE/
DECODER
CLAMP CLAMP
11 10
G/Y R/ (R Y) internal
input input voltage
channel 1
outputs
B/ (B Y) G/Y R/ (R Y)
V
P input input
18 19 20
A4 A3
B3 B2
MATRIX
RGB/YUV
CLAMP CLAMP CLAMP
7 6 5
B/ (B Y) G/Y R/ (R Y)
input input
Fig.1 Block diagram.
3
SYNC clamp pulse
GND
input output generator
21 22 23 24
A2 A1
B1
CLAMP PULSE
GENERATOR
4 2
SYNC2
input
channel 2
Product specification
TDA8443A
FAST
SWITCHING
3 1
fast SEL
switching
MLD003