Philips TDA8443A

1995 Mar 07 7

Philips Semiconductors Product speciﬁcation

I2C-bus controlled YUV/RGB switch TDA8443A

Table 5 Priority/fast switching bit D2

Note

1. X =don't care.

D2 FAST SWITCHING

(PIN 3) MODE

(1) 0 to2, depending on

D7, D6

1 0.4V 2

Table 6 Output state control bits

Note

1. X =don't care.

D1 D0 PIN 9 FUNCTION

(1) X(1) OFF

10LOFF

10HON

11X

(1) ON

Power-on reset

If the circuit is switched on in the I2C-bus mode, all bits of D0 toD7 are set to zero.

Table 7 Non-I2C-bus mode (S2 =S1 =S0 = L)

CONTROL MODE SWITCHED BY

FS (PIN 3)

GAIN SETTINGS B1, B3 B2

PIN 13 PIN 14 PIN 1 A1 A4, A3, A2

L L L 2 or 0 1 1 1 1

L L H 2 or 0 1 2 1 1

L H L 2 or 1 1 1 −1 0.45

L H H 2 or 0 1 1 −1 0.45

H L L 2 or 0 2 1 1 1

H L H 2 or 0 2 2 1 1

H H L 2 or 1 2 1 −1 0.45

H H H 2or 0 2 1 −1 0.45

Table 8 Fast switching input (pin 3)

FS MODE SELECTED

≤0.4 V mode2

1 to3 V mode 0 or mode 1 as set by control

Table 9 ON input (pin 9)

ON FUNCTION

L OFF; no output signal; high impedance

OFF-state

H function is determined in Table 7