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PCF85162T/1,118

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P53
PCF85162 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 5 — 17 December 2014 52 of 53
NXP Semiconductors
PCF85162
32 × 4 universal LCD driver for low multiplex rates
27. Figures
Fig 1. Block diagram of PCF85162 . . . . . . . . . . . . . . . . .3
Fig 2. Pin configuration for TSSOP48 (PCF85162T). . . .4
Fig 3. Example of displays suitable for PCF85162 . . . .10
Fig 4. Typical system configuration . . . . . . . . . . . . . . . .11
Fig 5. Electro-optical characteristic: relative transmission
curve of the liquid. . . . . . . . . . . . . . . . . . . . . . . . .13
Fig 6. Static drive mode waveforms. . . . . . . . . . . . . . . .14
Fig 7. Waveforms for the 1:2 multiplex drive mode
with
1
⁄
2
bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Fig 8. Waveforms for the 1:2 multiplex drive mode
with
1
⁄
3
bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Fig 9. Waveforms for the 1:3 multiplex drive mode
with
1
⁄
3
bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Fig 10. Waveforms for the 1:4 multiplex drive mode
with
1
⁄
3
bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Fig 11. Display RAM bitmap . . . . . . . . . . . . . . . . . . . . . .20
Fig 12. Relationship between LCD layout, drive mode,
display RAM filling order, and display data
transmitted over the I
2
C-bus . . . . . . . . . . . . . . . .21
Fig 13. RAM banks in static and multiplex driving mode
1:2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Fig 14. Bank selection . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Fig 15. Example of the Bank-select command with
multiplex drive mode 1:2 . . . . . . . . . . . . . . . . . . .25
Fig 16. Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Fig 17. Definition of START and STOP conditions. . . . . .26
Fig 18. System configuration . . . . . . . . . . . . . . . . . . . . . .27
Fig 19. Acknowledgement of the I
2
C-bus . . . . . . . . . . . .27
Fig 20. I
2
C-bus protocol. . . . . . . . . . . . . . . . . . . . . . . . . .29
Fig 21. Format of command byte. . . . . . . . . . . . . . . . . . .29
Fig 22. Device protection circuits. . . . . . . . . . . . . . . . . . .30
Fig 23. Typical I
DD
with respect to V
DD
. . . . . . . . . . . . . .33
Fig 24. Driver timing waveforms . . . . . . . . . . . . . . . . . . .35
Fig 25. I
2
C-bus timing waveforms . . . . . . . . . . . . . . . . . .35
Fig 26. Cascaded PCF85162 configuration. . . . . . . . . . .37
Fig 27. Synchronization of the cascade for the various
PCF85162 drive modes . . . . . . . . . . . . . . . . . . . .38
Fig 28. Package outline SOT362-1 (TSSOP48) . . . . . . .39
Fig 29. Temperature profiles for large and small
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Fig 30. Footprint information for reflow soldering of
SOT362-1 (TSSOP48) of PCF85162T . . . . . . . .43
NXP Semiconductors
PCF85162
32 × 4 universal LCD driver for low multiplex rates
© NXP Semiconductors N.V. 2014. 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: 17 December 2014
Document identifier: PCF85162
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
28. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
3.1 Ordering options. . . . . . . . . . . . . . . . . . . . . . . . 2
4 Marking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6 Pinning information. . . . . . . . . . . . . . . . . . . . . . 4
6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
7 Functional description . . . . . . . . . . . . . . . . . . . 5
7.1 Commands of PCF85162. . . . . . . . . . . . . . . . . 5
7.1.1 Command: mode-set . . . . . . . . . . . . . . . . . . . . 6
7.1.2 Command: load-data-pointer . . . . . . . . . . . . . . 6
7.1.3 Command: device-select . . . . . . . . . . . . . . . . . 7
7.1.4 Command: bank-select. . . . . . . . . . . . . . . . . . . 7
7.1.5 Command: blink-select. . . . . . . . . . . . . . . . . . . 7
7.1.5.1 Blinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.2 Power-On Reset (POR) . . . . . . . . . . . . . . . . . . 9
7.3 Possible display configurations . . . . . . . . . . . 10
7.3.1 LCD bias generator . . . . . . . . . . . . . . . . . . . . 11
7.3.2 Display register. . . . . . . . . . . . . . . . . . . . . . . . 11
7.3.3 LCD voltage selector . . . . . . . . . . . . . . . . . . . 11
7.3.3.1 Electro-optical performance . . . . . . . . . . . . . . 13
7.3.4 LCD drive mode waveforms . . . . . . . . . . . . . . 14
7.3.4.1 Static drive mode . . . . . . . . . . . . . . . . . . . . . . 14
7.3.4.2 1:2 Multiplex drive mode. . . . . . . . . . . . . . . . . 15
7.3.4.3 1:3 Multiplex drive mode. . . . . . . . . . . . . . . . . 17
7.3.4.4 1:4 Multiplex drive mode. . . . . . . . . . . . . . . . . 18
7.4 Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.4.1 Internal clock . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.4.2 External clock . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.4.3 Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.5 Backplane and segment outputs . . . . . . . . . . 19
7.5.1 Backplane outputs . . . . . . . . . . . . . . . . . . . . . 19
7.5.2 Segment outputs. . . . . . . . . . . . . . . . . . . . . . . 19
7.6 Display RAM. . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.6.1 Data pointer . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.6.2 Subaddress counter . . . . . . . . . . . . . . . . . . . . 22
7.6.3 RAM addressing in cascaded applications. . . 22
7.6.4 RAM writing in 1:3 multiplex drive mode. . . . . 22
7.6.5 Bank selection . . . . . . . . . . . . . . . . . . . . . . . . 23
7.6.5.1 Output bank selector . . . . . . . . . . . . . . . . . . . 23
7.6.5.2 Input bank selector . . . . . . . . . . . . . . . . . . . . . 24
7.6.5.3 RAM bank switching . . . . . . . . . . . . . . . . . . . . 24
8 Characteristics of the I
2
C-bus . . . . . . . . . . . . 26
8.1 Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8.2 START and STOP conditions. . . . . . . . . . . . . 26
8.3 System configuration . . . . . . . . . . . . . . . . . . . 26
8.4 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 27
8.5 I
2
C-bus controller. . . . . . . . . . . . . . . . . . . . . . 28
8.6 Input filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8.7 I
2
C-bus protocol. . . . . . . . . . . . . . . . . . . . . . . 28
9 Internal circuitry . . . . . . . . . . . . . . . . . . . . . . . 30
10 Safety notes. . . . . . . . . . . . . . . . . . . . . . . . . . . 31
11 Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 31
12 Static characteristics . . . . . . . . . . . . . . . . . . . 32
13 Dynamic characteristics. . . . . . . . . . . . . . . . . 34
14 Application information . . . . . . . . . . . . . . . . . 36
14.1 Cascaded operation. . . . . . . . . . . . . . . . . . . . 36
15 Package outline. . . . . . . . . . . . . . . . . . . . . . . . 39
16 Handling information . . . . . . . . . . . . . . . . . . . 40
17 Packing information . . . . . . . . . . . . . . . . . . . . 40
17.1 Tape and reel information . . . . . . . . . . . . . . . 40
18 Soldering of SMD packages. . . . . . . . . . . . . . 40
18.1 Introduction to soldering. . . . . . . . . . . . . . . . . 40
18.2 Wave and reflow soldering. . . . . . . . . . . . . . . 40
18.3 Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 41
18.4 Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 41
19 Footprint information . . . . . . . . . . . . . . . . . . . 42
20 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
20.1 LCD segment driver selection . . . . . . . . . . . . 44
21 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 46
22 References. . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
23 Revision history . . . . . . . . . . . . . . . . . . . . . . . 48
24 Legal information . . . . . . . . . . . . . . . . . . . . . . 49
24.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 49
24.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
24.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 49
24.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 50
25 Contact information . . . . . . . . . . . . . . . . . . . . 50
26 Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
27 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
28 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P53

PCF85162T/1,118

Mfr. #:
Buy PCF85162T/1,118
Manufacturer:
NXP Semiconductors
Description:
LCD Drivers I2C - LCD Driver
Lifecycle:
New from this manufacturer.
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