PCF8576CT/1,112 NXP Semiconductors, PCF8576CT/1,112 Datasheet - Page 57
![IC LCD DVR UNVRSL LOW-MUX 56VSOP](/photos/7/35/73530/568-56-vsop_sot190-1_sml.jpg)
PCF8576CT/1,112
Manufacturer Part Number
PCF8576CT/1,112
Description
IC LCD DVR UNVRSL LOW-MUX 56VSOP
Manufacturer
NXP Semiconductors
Specifications of PCF8576CT/1,112
Package / Case
56-VSOP
Display Type
LCD
Configuration
40 Segment
Interface
I²C
Current - Supply
120µA
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Number Of Digits
20
Number Of Segments
160
Maximum Clock Frequency
315 KHz
Operating Supply Voltage
2 V to 6 V
Maximum Power Dissipation
400 mW
Maximum Operating Temperature
+ 85 C
Attached Touch Screen
No
Maximum Supply Current
120 uA
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Digits Or Characters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
935278818112
PCF8576CTD
PCF8576CTD
PCF8576CTD
PCF8576CTD
NXP Semiconductors
23. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.5
7.5.1
7.5.2
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.14.1
7.14.2
7.15
7.16
7.16.1
7.16.2
7.16.3
7.16.4
7.16.5
7.16.6
7.17
7.18
7.18.1
7.18.2
7.18.3
7.18.4
7.18.5
7.19
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 9
Characteristics of the I
PCF8576C I
I
Blink-select command . . . . . . . . . . . . . . . . . . 29
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power-On-Reset (POR) . . . . . . . . . . . . . . . . . 10
LCD bias generator . . . . . . . . . . . . . . . . . . . . 10
LCD voltage selector . . . . . . . . . . . . . . . . . . . 11
LCD drive mode waveforms . . . . . . . . . . . . . . 13
Static drive mode . . . . . . . . . . . . . . . . . . . . . . 13
1:2 Multiplex drive mode. . . . . . . . . . . . . . . . . 14
1:3 Multiplex drive mode. . . . . . . . . . . . . . . . . 16
1:4 multiplex drive mode. . . . . . . . . . . . . . . . . 17
Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Internal clock . . . . . . . . . . . . . . . . . . . . . . . . . 18
External clock . . . . . . . . . . . . . . . . . . . . . . . . . 18
Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Display register . . . . . . . . . . . . . . . . . . . . . . . . 19
Shift register . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Segment outputs. . . . . . . . . . . . . . . . . . . . . . . 19
Backplane outputs . . . . . . . . . . . . . . . . . . . . . 19
Display RAM . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Data pointer . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Sub-address counter . . . . . . . . . . . . . . . . . . . 22
Bank selector . . . . . . . . . . . . . . . . . . . . . . . . . 23
Output bank selector . . . . . . . . . . . . . . . . . . . 23
Input bank selector . . . . . . . . . . . . . . . . . . . . . 23
Blinker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
START and STOP conditions . . . . . . . . . . . . . 24
System configuration . . . . . . . . . . . . . . . . . . . 25
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 25
Input filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Command decoder . . . . . . . . . . . . . . . . . . . . . 27
Mode-set command . . . . . . . . . . . . . . . . . . . . 28
Load-data-pointer command. . . . . . . . . . . . . . 28
Device-select command . . . . . . . . . . . . . . . . . 29
Bank-select command . . . . . . . . . . . . . . . . . . 29
Display controller . . . . . . . . . . . . . . . . . . . . . . 29
2
C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 26
2
C-bus controller . . . . . . . . . . . . . 26
2
C-bus. . . . . . . . . . . . . 24
8
9
10
10.1
10.2
11
12
12.1
13
14
15
16
16.1
17
17.1
17.2
17.3
17.4
18
19
20
21
21.1
21.2
21.3
21.4
22
23
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. 2010.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Universal LCD driver for low multiplex rates
Internal circuitry . . . . . . . . . . . . . . . . . . . . . . . 30
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 31
Static characteristics . . . . . . . . . . . . . . . . . . . 32
Dynamic characteristics. . . . . . . . . . . . . . . . . 35
Application information . . . . . . . . . . . . . . . . . 37
Package outline. . . . . . . . . . . . . . . . . . . . . . . . 41
Bare die outline . . . . . . . . . . . . . . . . . . . . . . . . 44
Handling information . . . . . . . . . . . . . . . . . . . 47
Packing information . . . . . . . . . . . . . . . . . . . . 47
Soldering of SMD packages . . . . . . . . . . . . . . 49
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 52
References. . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Revision history . . . . . . . . . . . . . . . . . . . . . . . 54
Legal information . . . . . . . . . . . . . . . . . . . . . . 55
Contact information . . . . . . . . . . . . . . . . . . . . 56
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Typical supply current characteristics . . . . . . 33
Typical LCD output characteristics. . . . . . . . . 34
Cascaded operation. . . . . . . . . . . . . . . . . . . . 37
Tray information . . . . . . . . . . . . . . . . . . . . . . . 47
Introduction to soldering. . . . . . . . . . . . . . . . . 49
Wave and reflow soldering. . . . . . . . . . . . . . . 49
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 50
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 50
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 55
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 56
PCF8576C
Document identifier: PCF8576C
Date of release: 22 July 2010
All rights reserved.