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PCF8532 Datasheet(PDF) 49 Page - NXP Semiconductors

Part # PCF8532
Description  Universal LCD driver for low multiplex rates
PDF  49 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8532 Datasheet(HTML) 49 Page - NXP Semiconductors

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NXP Semiconductors
PCF8532
Universal LCD driver for low multiplex rates
© NXP B.V. 2011.
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: 10 February 2011
Document identifier: PCF8532
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
20. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
4
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Functional description . . . . . . . . . . . . . . . . . . . 5
7.1
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.2
LCD bias generator . . . . . . . . . . . . . . . . . . . . . 6
7.3
LCD voltage selector . . . . . . . . . . . . . . . . . . . . 7
7.3.1
Electro-optical performance . . . . . . . . . . . . . . . 8
7.4
LCD drive mode waveforms . . . . . . . . . . . . . . 10
7.4.1
Static drive mode . . . . . . . . . . . . . . . . . . . . . . 10
7.4.2
1:2 multiplex drive mode. . . . . . . . . . . . . . . . . 11
7.4.3
1:3 multiplex drive mode. . . . . . . . . . . . . . . . . 13
7.4.4
1:4 multiplex drive mode. . . . . . . . . . . . . . . . . 14
7.5
Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.5.1
Internal clock . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.5.2
External clock . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.6
Timing and frame frequency . . . . . . . . . . . . . . 15
7.7
Display register . . . . . . . . . . . . . . . . . . . . . . . . 15
7.8
Segment outputs. . . . . . . . . . . . . . . . . . . . . . . 16
7.9
Backplane outputs . . . . . . . . . . . . . . . . . . . . . 16
7.10
Display RAM . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.11
Data pointer . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.12
Subaddress counter . . . . . . . . . . . . . . . . . . . . 19
7.13
Output bank selector . . . . . . . . . . . . . . . . . . . 19
7.14
Input bank selector . . . . . . . . . . . . . . . . . . . . . 20
7.15
Blinker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.16
Characteristics of the I2C-bus. . . . . . . . . . . . . 21
7.16.1
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.16.2
START and STOP conditions . . . . . . . . . . . . . 21
7.16.3
System configuration . . . . . . . . . . . . . . . . . . . 22
7.16.4
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.16.5
I2C-bus controller . . . . . . . . . . . . . . . . . . . . . . 23
7.16.6
Input filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.16.7
I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 23
7.17
Command decoder . . . . . . . . . . . . . . . . . . . . . 25
7.18
Display controller . . . . . . . . . . . . . . . . . . . . . . 28
8
Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . 29
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 30
10
Static characteristics . . . . . . . . . . . . . . . . . . . . 31
11
Dynamic characteristics . . . . . . . . . . . . . . . . . 33
12
Application information. . . . . . . . . . . . . . . . . . 35
12.1
Cascaded operation. . . . . . . . . . . . . . . . . . . . 35
13
Bare die outline . . . . . . . . . . . . . . . . . . . . . . . . 39
14
Packing information . . . . . . . . . . . . . . . . . . . . 43
15
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 44
16
References. . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
17
Revision history . . . . . . . . . . . . . . . . . . . . . . . 46
18
Legal information . . . . . . . . . . . . . . . . . . . . . . 47
18.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 47
18.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
18.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 47
18.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 48
19
Contact information . . . . . . . . . . . . . . . . . . . . 48
20
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49



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