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Toshiba TA1218N Manual page 14

Udio/video switching ic for tvs

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Pin
Name
No.
This pin is for output only the signal
that is forwarded from R
output resistance of this pin is 45 Ω.
39
R
TV
out
(39)
This output can be muted in
combination with L
control.
This pin is for output only the signal
that is forwarded from L
output resistance of this pin is 45 Ω.
40
L
TV
out
(40)
This output can be muted in
combination with R
control.
This is a 1 bit DAC output pin. This
41
is an open-collector output. Make
O5
sure that the current flowing into this
(41)
pin is 2.0 mA or less.
This pin is for output a sub-channel
composite video signal. The signal
fed into V
V
S2, Y
in
42
C
S2 is outputted from this pin. The
in
V
2
out
output resistance of this pin is 25 Ω.
(42)
The same signal is also outputted
from Det Select as a sync
separation signal.
Function
TV. The
in
TV by bus
out
TV. The
in
TV by bus
out
TV, V
V1, V
V2, V
S1,
in
in
in
in
S1 + C
S2 +
S1, or Y
in
in
in
39
(39)
40
(40)
41
(41)
Logic
V
out
SW
42
(42)
TA1218N/F
Interface
R
TV
out
SW
L
TV
out
SW
2
1.5 kΩ
<Det Select>
2000-09-11 14/40

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