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PCF1174CT データシート(PDF) 4 Page - NXP Semiconductors |
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PCF1174CT データシート(HTML) 4 Page - NXP Semiconductors |
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4 / 20 page ![]() 1997 Apr 16 4 Philips Semiconductors Product specification 4-digit static LCD car clock PCF1174C FUNCTIONAL DESCRIPTION AND TESTING Outputs The circuit outputs static data to the LCD. Generation of BP and the output signals are shown in Fig.4. The average voltages across the segments are: 1. VON(RMS) =VDD 2. VOFF(RMS) =0V. Fig.2 Segment designation of LCD. MSA992 A2 G2 D2 F2 E2 B2 C2 P1 (P3) P2 (P4) A3 G3 D3 F3 E3 B3 C3 A4 G4 D4 F4 E4 B4 C4 AM PM A1 G1 D1 E1 B1 C1 Fig.3 Typical displays. a. 12-hour mode. b. 24-hour mode. PM TIME MSA993 (a) MSA994 TIME (b) Fig.4 Backplane and output signals. MSA996 VDD 0 BP VDD 0 OFF VDD 0 ON SEGMENT 15.625 ms |
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