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DESCRIPTION OF PINS
Pin
Function
No.
wave Information
PEDESTAL
39
CLAMP
VIDEO TONE
40
CONT.
41
Y IN
EXT VIDEO
42
IN
(cont.)
Voltage and
About 2.2V
4.5V
3.3V
Peripheral circuitry
3.9k
1k
1.4k
1.5k
15k
10k
6.2k
1.4k
83
Circuit description
Used to connect the
hold capacitor.
1.07k
1.2k
Sharpness control pin.
By increasing the volt-
age at this pin;the pic-
ture becomes softer.
4.5V
Video level at this pin is
0.5V P-P. Input level
must be kept low to
avoid, the pedestal
clamp. Typical coupling
capacitor of 0.1uF is
5k
used.
Video input level is
1Vp-p.
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