1
1
MAIN IC 8377:
ICs functional description
UOC TDA(OM)8377
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
NC
P3.0/NTSC SW
5
NC
KEY
6
Control keys input
VOL
7
Sound Volume control PWM output
MUTE
8
Sound mute output
VSSC/P
9
Digit ground for µ-controller core and periphery
BAND1 10
NC
BAND2 11
NC
VSSA
12
Analog ground of teletext decoder and digital ground of
TV-processor
SECPLL 13
PLL decoupling
VP2 14
2
nd
supply voltage TV-pro8V)
Содержание TK1433
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