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PCF8811MU/2DA/1 数据表(PDF) 68 Page - NXP Semiconductors |
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PCF8811MU/2DA/1 数据表(HTML) 68 Page - NXP Semiconductors |
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68 / 81 page ![]() PCF8811_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 27 June 2008 68 of 81 NXP Semiconductors PCF8811 80 x 128 pixels matrix LCD driver The required minimum value for the external capacitors in an application with the PCF8811 are: CVLCD = 1.0 µF to 4.7 µF depending on the application. CVDD, CVDD1, CVDD2 = 1.0 µF. For these capacitors, higher values can be used. Fig 49. Application diagram: internal charge pump and two separate supplies (VDD1 and VDD2) Fig 50. Application diagram: external high voltage DISPLAY 80 × 128 pixels mgw763 VDD2 VDD1 I/O VSS CVLCD CVDD2 CVDD1 PCF8811 mgw764 DISPLAY 80 × 128 pixels I/O VLCDIN PCF8811 VDD VSS CVDD |
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