Parker TC1475 - Page 14

Pin59 50HZ/60HZ switch
Pin59 NTSC(60HZ) PAL(50HZ)
voltage 5V 0V
Pin61 Mute 1K pull up resistance
Pin64 Power
a) RC, Pin61\64 wave:
Power
Mute
Power of
f
p
ower of
f
Power on
Mute
Cold
p
ower on
Switch
p
rogra
m
TC1475 / TC2175 / TF2139 13
Definition & Function of TMPA8873-XXXX Pins
Pin6, Pin7 less than 20PPM precision required for crystal
Duty cycle and Ripple voltage of power for Pin55 must less than 10 mV;
power for OSD clock)
Pin56 AV/TV switch
TV
AV1/S/DVD
AV2
Connect way
OPT.2=0
0V
0V
5V
Pull up resistance
connected to 5V
or 8V
OPT.2=1;OPT.5=0
0V
2.5V
5V
10K pull up
esistance connected
to 5V and 10K pull
down resistance
connected to GND
0V
5V
2.5V
10K pull up
resistance
connected to 5V
OPT.2=1;OPT.5=1