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9
MAIN IC 8377:
ICs functional description
UOC TDA8377
SYMBOL PIN
DESCRIPTION
STAND BY output.
1
In STAND BY mode, high level (Power OFF).
For Power ON this pin will be reduced to low.
SCL 2
I
2
C-bus clock line
SDA 3
I
2
C-bus data line
TUNING
4
tuning Voltage (Vt) PWM output
P3.0/NTSC SW
5
Port 3.0 or NTSC output/SCART SW input, Forced NTSC selection,
Low-level output, otherwise High output.
KEY
6
Control keys input *3