Philips TDA8443A Benutzerhandbuch
1995 Mar 07
6
Philips Semiconductors
Product specification
I
2
C-bus controlled YUV/RGB switch
TDA8443A
Table 2
Address selection
Notes
1. L = LOW level input voltage.
2. H = HIGH level input voltage.
3.
∗
= non-I
2
C-bus operation.
Table 3
Mode control bits D7 and D6
Table 4
Gain setting (see also Table 9)
Matrix equations
The relationship between output and input signals of the matrix is as follows:
Y = 0.3R + 0.59G + 0.11B
R
−
Y = 0.7R
−
0.59G
−
0.11B
B
−
Y =
−
0.3R
−
0.59G + 0.89B
ADDRESS SELECT PINS
(1)(2)
ADDRESS SELECT BITS
S2 (PIN 17)
S1 (PIN 16)
S0 (PIN 15)
MA2
MA1
MA0
L
L
L
∗
(3)
∗
(3)
∗
(3)
L
L
H
0
0
1
L
H
L
0
1
0
L
H
H
0
1
1
H
L
L
1
0
0
H
L
H
1
0
1
H
H
L
1
1
0
H
H
H
1
1
1
MODE
D7
D6
FUNCTION
0
0
0
Channel 2 selected, no matrix
1
0
1
Channel 2 selected, matrix active
2
1
0
Channel 1 selected
−
1
1
not allowed
D5
D4
D3
A1
A2, A3, A4
B1, B3
B2
0
0
0
1
1
−
1
0.45
0
0
1
1
1
1
1
0
1
0
not allowed
−
−
0
1
1
1
1
−
1
0.45
1
0
0
2
2
−
1
0.45
1
0
1
2
1
1
1
1
1
0
2
2
1
1
1
1
1
2
1
−
1
0.45