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PCA2117DUGS/DA 数据表(PDF) 46 Page - NXP Semiconductors |
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PCA2117DUGS/DA 数据表(HTML) 46 Page - NXP Semiconductors |
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46 / 107 page ![]() PCA2117 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 4 — 8 April 2015 46 of 107 NXP Semiconductors PCA2117 Automotive LCD driver for character displays It is important to match the module properties to those of the driver in order to achieve optimum performance. 8.4.7 LCD drive mode waveforms The PCA2117 contains 18 row and 100 column drivers, which drive the appropriate LCD bias voltages in sequence to the display and in accordance with the data to be displayed. R16 and R17 drive the icon rows. Unused outputs should be left open. The bias voltages and the timing are automatically selected when the number of lines in the display is selected. Figure 27 to Figure 29 show typical waveforms. Fig 26. Electro-optical characteristic: relative transmission curve of the liquid |
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