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
LLL∗
(3)
∗
(3)
∗
(3)
LLH001
LHL010
LHH011
HLL100
HLH101
HHL110
HHH1 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
00011−1 0.45
0011111
0 1 0 not allowed −−
01111−1 0.45
10022−1 0.45
1012111
1102211
11121−1 0.45
