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PCF8534A датащи(PDF) 7 Page - NXP Semiconductors

номер детали PCF8534A
подробное описание детали  Universal LCD driver for low multiplex rates
PDF  52 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8534A датащи(HTML) 7 Page - NXP Semiconductors

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PCF8534A
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 6 — 25 July 2011
7 of 52
NXP Semiconductors
PCF8534A
Universal LCD driver for low multiplex rates
7.
Functional description
The PCF8534A is a versatile peripheral device designed to interface between any
microcontroller to a wide variety of LCD segment or dot matrix displays (see Figure 4). It
can directly drive any static or multiplexed LCD containing up to four backplanes and up to
60 segments.
The display configurations possible with the PCF8534A depend on the required number of
active backplane outputs. A selection of display configurations is given in Table 4.
All of the display configurations given in Table 4 can be implemented in a typical system
as shown in Figure 5.
[1]
7-segment display has eight elements including the decimal point.
[2]
14-segment display has 16 elements including decimal point and accent dot.
Fig 4.
Example of displays suitable for PCF8534A
Table 4.
Selection of possible display configurations
Number of
Backplanes
Icons
Digits/Characters
Dot matrix/
Elements
7-segment[1]
14-segment[2]
4
240
30
15
240 (4
 60)
3
180
22
11
180 (3
 60)
2
120
15
7
120 (2
 60)
160
7360 (1
 60)
7-segment with dot
14-segment with dot and accent
013aaa312
dot matrix



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