Philips TDA8443A Benutzerhandbuch
1995 Mar 07
7
Philips Semiconductors
Product specification
I
2
C-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
0
X
(1)
0 to 2, depending on
D7, D6
D7, D6
1
0.4 V
2
Table 6
Output state control bits
Note
1. X = don't care.
D1
D0
PIN 9
FUNCTION
0
X
(1)
X
(1)
OFF
1
0
L
OFF
1
0
H
ON
1
1
X
(1)
ON
Power-on reset
If the circuit is switched on in the I
2
C-bus mode, all bits of D0 to D7 are set to zero.
Table 7
Non-I
2
C-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
2 or 0
2
1
−
1
0.45
Table 8
Fast switching input (pin 3)
FS
MODE SELECTED
≤
0.4 V
mode 2
1 to 3 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
OFF-state
H
function is determined in Table 7