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PCF8549 Datasheet(PDF) 6 Page - NXP Semiconductors |
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PCF8549 Datasheet(HTML) 6 Page - NXP Semiconductors |
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6 / 36 page ![]() 1997 Nov 21 6 Philips Semiconductors Product specification 65 × 102 pixels matrix LCD driver PCF8549 Fig.2 Typical LCD driver waveforms. VLCD V2 V3 V4 V5 VSS ROW 0 R0 (t) VLCD V2 V3 V4 V5 VSS ROW 2 R2 (t) VLCD V2 V3 V4 V5 VSS COL 0 C0 (t) VLCD V2 V3 V4 V5 VSS COL 1 C1 (t) VLCD V3 VLCD - V2 0 V V3 - V2 VLCD V3 VLCD - V2 0 V V3 - V2 Vstate1(t) Vstate2(t) frame n+1 frame n Vstate1(t) = C1(t) - R0(t) Vstate2(t) = C1(t) - R2(t) V4 - V5 0 V V5 V4 - VLCD - VLCD V4 - V5 0 V V5 V4 - VLCD - VLCD VSS=0V 0 2 4 6 8 10 ... ... 64 1 3 5 7 9 ... ... 63 0 2 4 6 8 10 ... ... 64 1 3 5 7 9 ... ... 63 |
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