TC90A49P/F
PIN
No.
PIN NAME
FUNCTION
I / O
INTERFACE
11 / 13
TEST
Shipment test mode switch or I
2
C bus setting reset pin.
When High, test mode, setting all I
2
C bus settings to 0.
Hold High for at least 100µs. Send I
2
C bus settings
when this pin is Low.
I
12 / 14
KILLER
Y signal comb function ON / OFF switch.
When High, comb OFF. When Low, comb ON. When
[data 3 : bit 0] is 1, used as vertical edge enhancement
circuit ON / OFF switch.
I
13 / 15
CKIN
Clock input pin. Pin 13 put a sine wave which is locked
to the frequency of the burst signal in the input video
signal. Amplitude is 300 mV
p-p
to 2 V
p-p
. Input as high
an amplitude as possible without affecting peripheral
circuits.
I
14 / 17
FIL
Connect the APC filter in the 8 fsc PLL circuit.
−
15 / 18
V
DD1
PLL power supply.
−
−
16 / 19
V
SS1
ADC, DAC, and PLL GND (analog).
−
−
17 / 20
C
OUT
Outputs chrominance signal. External simple LPF for
clock elimination recommended.
O
AVR340
harman/kardon
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