CXA2050S
Pin
No.
Symbol
Equivalent circuit
Description
4k
I2C bus protocol SDA (Serial Data) I/O.
VILMAX = 1.5V
57
SDA
57
VIHMIN = 3.5V
VOLMAX = 0.4V
1.2k
The input signal from CVIN pin and YIN
pin is selected by I2C bus, and output
externally.
VIDEO OUT
58
58
147
200µA
9µA
20k
1.2k
4.6V
20k
4k
Capacitor connection for black peak hold
of the dynamic picture (black expansion).
59 BLHOLD
59
Composite video signal input.
Input the 1Vp-p (100% white including
sync) CV signal via a capacitor. The
sync level of the input signal is
clamped to 3.8V.
4.6V
60 CVIN
60
In addition, this pin detects input video
signal HSYNC, and outputs the status
via the status register CVSYNC.
1µA
2V
1.2k
Connect a capacitor that determines the
DC transmission ratio to GND.
4k
61 DCTRAN
61
2k
– 12 –
SONY [ SONY CORPORATION ]
