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PCF8545 датащи(PDF) 20 Page - NXP Semiconductors

номер детали PCF8545
подробное описание детали  Universal LCD driver for multiplex rates up to 1:8
PDF  68 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8545 датащи(HTML) 20 Page - NXP Semiconductors

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NXP Semiconductors
PCF8545
Universal LCD driver for multiplex rates up to 1:8
7.3 Possible display configurations
The PCF8545 is a versatile peripheral device designed to interface between any
microcontroller to a wide variety of LCD segment or dot matrix displays (see Figure 10). It
can drive multiplexed LCD with 4, 6, or 8 backplanes and up to 44 segments.
The display configurations possible with the PCF8545 depend on the required number
of active backplane outputs. A selection of possible display configurations is given in
Table 21.
7-segment with dot
14-segment with dot and accent
013aaa312
dot matrix
Figure 10. Example of displays suitable for PCF8545
Number of
Digits/Characters
Backplanes
Segments
Icons
7 segment[1]
14 segment[2]
Dot matrix/
Elements
8
40
320
40
20
320
6
42
252
31
15
252
4
44
176
22
11
176
Table 21. Selection of display configurations
[1]
7 segment display has 8 elements including the decimal point.
[2]
14 segment display has 16 elements including decimal point and accent dot.
All of the display configurations in Table 21 can be implemented in the typical systems
shown in Figure 11 and Figure 12.
PCF8545
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 2 — 4 October 2021
20 / 68



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