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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
0X
(1)
0 to 2, depending on
D7, D6
1 0.4 V 2
Table 6 Output state control bits
Note
1. X = don't care.
D1 D0 PIN 9 FUNCTION
0X
(1)
X
(1)
OFF
10LOFF
10H ON
11X
(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
H function is determined in Table 7