Philips TDA8443A

1995 Mar 07 6

Philips Semiconductors Product speciﬁcation

I2C-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-I2C-bus operation.

Table 3 Mode control bits D7 and D6

Table 4 Gain setting (see also Table9)

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 11

MODE D7 D6 FUNCTION

0 0 0 Channel2 selected, no matrix

1 0 1 Channel2 selected, matrix active

2 1 0 Channel1 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