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4.Description of Video Circuit
SL-130P video circuit:
Process input signals <Analog-TV signal,CVBS(NTSC),Y/C Signal> to produce Output signal
for LCD panel.(J1/D7 : 640 x 480 , W2 : 1366 x 768)
Introduction for main IC
4-1 I501(TDA15521E)
The LCD One Chip 1(LOC 1)series combines the functionsof a Video Signal
Processor(VSP) together with aFLASH embedded main microcontroller(doing TEXT and
TV control)and an LCD
panel controller.In addition the following functions are available:
-Adaptive digital(4H/2H)PAL/NTSC comb filter
-Teletext decoder with 10 page text memory
-Multi-standard stereo decoder
Microconroller
-80C51 microcontroller core standard instruction set and timing
-256k x 8bit program ROM
-8k x 8bitauxiliary RAM
-8bit ADC with 4 multiplexed inputs.
-I2C byte level bus interface
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