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PCF8534AHL/1 датащи(PDF) 47 Page - NXP Semiconductors

номер детали PCF8534AHL/1
подробное описание детали  Universal LCD driver for low multiplex rates
PDF  47 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
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PCF8534AHL/1 датащи(HTML) 47 Page - NXP Semiconductors

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NXP Semiconductors
PCF8534A
Universal LCD driver for low multiplex rates
© NXP B.V. 2009.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 6 August 2009
Document identifier: PCF8534A_5
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
24. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
4
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 7
7
Functional description . . . . . . . . . . . . . . . . . . . 7
7.1
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.2
LCD bias generator. . . . . . . . . . . . . . . . . . . . . . 8
7.3
LCD voltage selector . . . . . . . . . . . . . . . . . . . . 8
7.4
LCD drive mode waveforms . . . . . . . . . . . . . . 11
7.4.1
Static drive mode . . . . . . . . . . . . . . . . . . . . . . 11
7.4.2
1:2 Multiplex drive mode . . . . . . . . . . . . . . . . . 12
7.4.3
1:3 Multiplex drive mode . . . . . . . . . . . . . . . . . 14
7.4.4
1:4 Multiplex drive mode . . . . . . . . . . . . . . . . . 15
7.5
Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.5.1
Internal clock. . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.5.2
External clock . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.6
Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.7
Display register . . . . . . . . . . . . . . . . . . . . . . . . 16
7.8
Segment outputs. . . . . . . . . . . . . . . . . . . . . . . 16
7.9
Backplane outputs . . . . . . . . . . . . . . . . . . . . . 17
7.10
Display RAM . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.11
Data pointer . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.12
Subaddress counter . . . . . . . . . . . . . . . . . . . . 20
7.13
Output bank selector. . . . . . . . . . . . . . . . . . . . 20
7.14
Input bank selector . . . . . . . . . . . . . . . . . . . . . 20
7.15
Blinker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8
Basic architecture . . . . . . . . . . . . . . . . . . . . . . 21
8.1
Characteristics of the I2C-bus . . . . . . . . . . . . . 21
8.1.1
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.1.1.1
START and STOP conditions . . . . . . . . . . . . . 22
8.1.2
System configuration . . . . . . . . . . . . . . . . . . . 22
8.1.3
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 23
8.1.4
PCF8534A I2C-bus controller . . . . . . . . . . . . . 23
8.1.5
Input filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
8.2
I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 24
8.3
Command decoder . . . . . . . . . . . . . . . . . . . . . 26
8.4
Display controller . . . . . . . . . . . . . . . . . . . . . . 27
9
Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . 28
10
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 29
11
Static characteristics. . . . . . . . . . . . . . . . . . . . 30
12
Dynamic characteristics . . . . . . . . . . . . . . . . . 31
13
Application information. . . . . . . . . . . . . . . . . . 33
13.1
Cascaded operation . . . . . . . . . . . . . . . . . . . . 33
14
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 36
15
Bare die outline . . . . . . . . . . . . . . . . . . . . . . . . 37
16
Handling information . . . . . . . . . . . . . . . . . . . 40
17
Packing information . . . . . . . . . . . . . . . . . . . . 41
18
Soldering of SMD packages . . . . . . . . . . . . . . 42
18.1
Introduction to soldering. . . . . . . . . . . . . . . . . 42
18.2
Wave and reflow soldering . . . . . . . . . . . . . . . 42
18.3
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 43
18.4
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 43
19
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 44
20
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
21
Revision history . . . . . . . . . . . . . . . . . . . . . . . 45
22
Legal information . . . . . . . . . . . . . . . . . . . . . . 46
22.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 46
22.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
22.3
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 46
22.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 46
23
Contact information . . . . . . . . . . . . . . . . . . . . 46
24
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47



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