PCF8579TD NXP Semiconductors, PCF8579TD Datasheet - Page 41

LCD Drivers LCD DRVR DOT MATRIX

PCF8579TD

Manufacturer Part Number
PCF8579TD
Description
LCD Drivers LCD DRVR DOT MATRIX
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PCF8579TD

Maximum Clock Frequency
10 KHz
Operating Supply Voltage
2.5 V to 6 V
Maximum Power Dissipation
400 mW
Package / Case
VSO-56
Maximum Supply Current
20 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PCF8579T/1,112
NXP Semiconductors
19. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.4
8.5
8.6
8.6.1
8.6.2
8.6.3
8.6.4
8.6.5
8.6.6
8.6.7
8.7
8.7.1
8.7.2
8.8
8.9
8.9.1
9
10
11
12
13
14
14.1
14.2
14.3
14.4
15
16
17
17.1
17.2
17.3
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 7
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 24
Static characteristics. . . . . . . . . . . . . . . . . . . . 25
Dynamic characteristics . . . . . . . . . . . . . . . . . 26
Application information. . . . . . . . . . . . . . . . . . 28
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 33
Soldering of SMD packages . . . . . . . . . . . . . . 36
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 39
Legal information. . . . . . . . . . . . . . . . . . . . . . . 40
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 7
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 7
Multiplexed LCD bias generation . . . . . . . . . . . 8
LCD drive mode waveforms . . . . . . . . . . . . . . 10
Timing generator. . . . . . . . . . . . . . . . . . . . . . . 13
Column drivers . . . . . . . . . . . . . . . . . . . . . . . . 13
Characteristics of the I
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
START and STOP conditions . . . . . . . . . . . . . 13
System configuration . . . . . . . . . . . . . . . . . . . 13
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 13
I
Input filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
I
Display RAM . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Data pointer . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Subaddress counter . . . . . . . . . . . . . . . . . . . . 17
Command decoder . . . . . . . . . . . . . . . . . . . . . 17
RAM access . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Display control . . . . . . . . . . . . . . . . . . . . . . . . 23
Introduction to soldering . . . . . . . . . . . . . . . . . 36
Wave and reflow soldering . . . . . . . . . . . . . . . 36
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 36
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 37
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 40
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2
2
C-bus controller . . . . . . . . . . . . . . . . . . . . . . 15
C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 15
2
C-bus . . . . . . . . . . . . . 13
17.4
18
19
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
LCD column driver for dot matrix graphic displays
Contact information . . . . . . . . . . . . . . . . . . . . 40
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Document identifier: PCF8579_5
PCF8579
Date of release: 11 May 2009
All rights reserved.

Related parts for PCF8579TD