Philips TDA8443A - Manual (Page 6)

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