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PCF8577CT 数据表(PDF) 6 Page - NXP Semiconductors |
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PCF8577CT 数据表(HTML) 6 Page - NXP Semiconductors |
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6 / 28 page ![]() 1998 Jul 30 6 Philips Semiconductors Product specification LCD direct/duplex driver with I2C-bus interface PCF8577C Fig.3 PCF8577C register organization. MGA733 msb lsb msb lsb 0 2 4 6 1 3 5 7 V5 V4 V3 V2 V1 V0 CONTROL REGISTER SEGMENT BYTE REGISTERS BANK 'A' BANK 'B' DISPLAY CONTROL SEGMENT BYTE VECTOR (SBV) segment byte register address comparison A2 A1 A0 device subaddress (1) (1) 0 BANK 'A' 1 BANK 'B' BANK DISPLAY MODE 0 DIRECT DRIVE 1 DUPLEX DRIVE (1) Bits ignored in duplex mode. Fig.4 Direct drive mode display output waveforms. Von(rms) =VDD − VSS; Voff(rms) =0. MGA737 VDD VSS VDD VSS SS DD V V 0 SS DD (V V ) BP1 Sx Segment x (Sx) BP1 1 f LCD OFF ON |
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