HD66503 circuit equivalent, 240-channel common driver with internal lcd timing circuit.
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* LCD timing generator: 1/120, 1/240 duty cycle internal generator DataSheet4U.com Alternating signa.
The HD66503 is a common driver for liquid crystal dot-matrix graphic display systems. This device incorporates a 240 liquid crystal driver and an oscillator, and generates timing signals (alternating signals and frame synchronizing signals) required .
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