PCF8579T NXP Semiconductors, PCF8579T Datasheet - Page 41

• Manufacturer Part Number: PCF8579T
• Manufacturer: NXP Semiconductors

Specifications of PCF8579T

• Operating Supply Voltage (typ): 3.3/5V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: VSO
• Pin Count: 56
• Mounting: Surface Mount
• Power Dissipation: 400mW
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 6V
• Lead Free Status / Rohs Status: Not Compliant

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: [e-mail]
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.