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Pin
Name
No.
This pin is for input a right audio
signal from an external source (S2
channel). The signal fed into this pin
17
is presented to R
R
S2
in
(13)
The input dynamic range of this pin
is 6.5 V
p-p
70 kΩ.
This pin is for input a chroma signal
from an external source (S2
channel). It also functions as an
S-mode select switch for the S2
channel. The S mode is selected
when the pin voltage is 2.25 V or
18
less. The signal fed into this pin is
C
S2
in
presented to C
(15)
V
1 and V
out
combined with the Y
The input dynamic range of this pin
is 2.0 V
p-p
30 kΩ.
This is an ADC input/DAC output
pin.
The ADC is a 3-level detection type
(2 bits). The threshold levels are 7.0
19
I/O1
V and 2.25 V.
(16)
The DAC (1 bit) is an open-collector
output. Make sure that the current
flowing into this pin is 2.0 mA or
less.
This is an ADC input/DAC output
pin.
The ADC is a 3-level detection type
(2 bits). The threshold levels are 7.0
20
I/O2
V and 2.25 V.
(17)
The DAC (1 bit) is an open-collector
output. Make sure that the current
flowing into this pin is 2.0 mA or
less.
Function
1 and R
2.
out
out
(13)
and the input resistance is
directly and to
out
(15)
2 after being
out
S2 signal.
in
and the input resistance is
1.5 kΩ
17
<R
1>
out
1.5 kΩ
18
1.5 kΩ
<V
1>
out
<C
>
out
19
(16)
Logic
20
(17)
Logic
TA1218N/F
Interface
1.5 kΩ
<R
out
1.5 kΩ
<V
2>
out
S Mode
SW
2000-09-11 9/40
2>
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