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PCF8579T/1 Datasheet(PDF) 41 Page - NXP Semiconductors

Part # PCF8579T/1
Description  LCD column driver for dot matrix graphic displays
PDF  41 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8579T/1 Datasheet(HTML) 41 Page - NXP Semiconductors

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NXP Semiconductors
PCF8579
LCD column driver for dot matrix graphic displays
© 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: 11 May 2009
Document identifier: PCF8579_5
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
19. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
7.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 7
8
Functional description . . . . . . . . . . . . . . . . . . . 7
8.1
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 7
8.2
Multiplexed LCD bias generation . . . . . . . . . . . 8
8.3
LCD drive mode waveforms . . . . . . . . . . . . . . 10
8.4
Timing generator. . . . . . . . . . . . . . . . . . . . . . . 13
8.5
Column drivers . . . . . . . . . . . . . . . . . . . . . . . . 13
8.6
Characteristics of the I2C-bus . . . . . . . . . . . . . 13
8.6.1
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8.6.2
START and STOP conditions . . . . . . . . . . . . . 13
8.6.3
System configuration . . . . . . . . . . . . . . . . . . . 13
8.6.4
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 13
8.6.5
I2C-bus controller . . . . . . . . . . . . . . . . . . . . . . 15
8.6.6
Input filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.6.7
I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 15
8.7
Display RAM . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8.7.1
Data pointer . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8.7.2
Subaddress counter . . . . . . . . . . . . . . . . . . . . 17
8.8
Command decoder . . . . . . . . . . . . . . . . . . . . . 17
8.9
RAM access . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.9.1
Display control . . . . . . . . . . . . . . . . . . . . . . . . 23
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 24
10
Static characteristics. . . . . . . . . . . . . . . . . . . . 25
11
Dynamic characteristics . . . . . . . . . . . . . . . . . 26
12
Application information. . . . . . . . . . . . . . . . . . 28
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 33
14
Soldering of SMD packages . . . . . . . . . . . . . . 36
14.1
Introduction to soldering . . . . . . . . . . . . . . . . . 36
14.2
Wave and reflow soldering . . . . . . . . . . . . . . . 36
14.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 36
14.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 37
15
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 38
16
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 39
17
Legal information. . . . . . . . . . . . . . . . . . . . . . . 40
17.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 40
17.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
17.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
17.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 40
18
Contact information . . . . . . . . . . . . . . . . . . . . 40
19
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41



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