PCA85276ATT/AJ Datasheet PCA85276ATT/AJ | P52-P54

Product data sheet Rev. 2 — 9 April 2015 52 of 55

NXP Semiconductors

PCA85276

Automotive 40 x 4 LCD driver

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conveyance or implication of any license under any copyrights, patents or

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Export control — This document as well as the item(s) described herein

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Translations — A non-English (translated) version of a document is for

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between the translated and English versions.

25.4 Trademarks

Notice: All referenced brands, product names, service names and trademarks

are the property of their respective owners.

C-bus — logo is a trademark of NXP Semiconductors N.V.

26. Contact information

For more information, please visit: http://www.nxp.com

For sales office addresses, please send an email to: salesaddresses@nxp.com

Product data sheet Rev. 2 — 9 April 2015 53 of 55

NXP Semiconductors

PCA85276

Automotive 40 x 4 LCD driver

27. Tables

Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . .2

Table 2. Ordering options. . . . . . . . . . . . . . . . . . . . . . . . .2

Table 3. Marking codes . . . . . . . . . . . . . . . . . . . . . . . . . .2

Table 4. Pin description of PCA85276ATT (TSSOP56) . .5

Table 5. Definition of the PCA85276 commands . . . . . . .6

Table 6. C bit description . . . . . . . . . . . . . . . . . . . . . . . . .6

Table 7. Mode-set command bit description . . . . . . . . . .7

Table 8. Load-data-pointer command bit description . . . .7

Table 9. Device-select command bit description . . . . . . .7

Table 10. Bank-select command bit description . . . . . . . .8

Table 11. Blink-select command bit description . . . . . . . . .8

Table 12. Blink frequencies . . . . . . . . . . . . . . . . . . . . . . . .9

Table 13. Standard RAM filling in 1:3 multiplex drive

mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Table 14. Entire RAM filling by rewriting in 1:3 multiplex

drive mode . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Table 15. Selection of possible display configurations. . .17

Table 16. Biasing characteristics . . . . . . . . . . . . . . . . . . .19

Table 17. I

C slave address byte . . . . . . . . . . . . . . . . . . .29

Table 18. Limiting values . . . . . . . . . . . . . . . . . . . . . . . . .32

Table 19. Static characteristics . . . . . . . . . . . . . . . . . . . .33

Table 20. Dynamic characteristics . . . . . . . . . . . . . . . . . .35

Table 21. Addressing cascaded PCA85276 . . . . . . . . . .37

Table 22. SnPb eutectic process (from J-STD-020D) . . .43

Table 23. Lead-free process (from J-STD-020D) . . . . . .43

Table 24. Selection of LCD segment drivers . . . . . . . . . .46

Table 25. Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . .48

Table 26. Revision history . . . . . . . . . . . . . . . . . . . . . . . .50

Product data sheet Rev. 2 — 9 April 2015 54 of 55

NXP Semiconductors

PCA85276

Automotive 40 x 4 LCD driver

28. Figures

Fig 1. Block diagram of PCA85276 . . . . . . . . . . . . . . . . .3

Fig 2. Pinning diagram for PCA85276ATT (TSSOP56) . .4

Fig 3. Display RAM bitmap . . . . . . . . . . . . . . . . . . . . . .10

Fig 4. Relationship between LCD layout, drive mode,

display RAM filling order, and display data

transmitted over the I

C-bus . . . . . . . . . . . . . . . .11

Fig 5. RAM banks in static and multiplex driving

mode 1:2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Fig 6. Bank selection . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Fig 7. Example of the Bank-select command with

multiplex drive mode 1:2 . . . . . . . . . . . . . . . . . . .16

Fig 8. Example of displays suitable for PCA85276 . . . .17

Fig 9. Typical system configuration . . . . . . . . . . . . . . . .18

Fig 10. Electro-optical characteristic: relative transmission

curve of the liquid. . . . . . . . . . . . . . . . . . . . . . . . .20

Fig 11. Static drive mode waveforms. . . . . . . . . . . . . . . .21

Fig 12. Waveforms for the 1:2 multiplex drive mode

with

⁄

bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Fig 13. Waveforms for the 1:2 multiplex drive mode

with

⁄

bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Fig 14. Waveforms for the 1:3 multiplex drive mode

with

⁄

bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Fig 15. Waveforms for the 1:4 multiplex drive mode

with

⁄

bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Fig 16. Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Fig 17. Definition of START and STOP conditions. . . . . .27

Fig 18. System configuration . . . . . . . . . . . . . . . . . . . . . .28

Fig 19. Acknowledgement of the I

C-bus . . . . . . . . . . . .28

Fig 20. I

C-bus protocol. . . . . . . . . . . . . . . . . . . . . . . . . .30

Fig 21. Format of command byte. . . . . . . . . . . . . . . . . . .30

Fig 22. Device protection circuits. . . . . . . . . . . . . . . . . . .31

Fig 23. Typical I

with respect to V

. . . . . . . . . . . . . .34

Fig 24. Driver timing waveforms . . . . . . . . . . . . . . . . . . .36

Fig 25. I

C-bus timing waveforms . . . . . . . . . . . . . . . . . .36

Fig 26. Cascaded PCA85276 configuration. . . . . . . . . . .38

Fig 27. Synchronization of the cascade for the various

PCA85276 drive modes. . . . . . . . . . . . . . . . . . . .39

Fig 28. Package outline SOT364-1 (TSSOP56) of

PCA85276ATT. . . . . . . . . . . . . . . . . . . . . . . . . . .40

Fig 29. Temperature profiles for large and small

components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Fig 30. Footprint information for reflow soldering of

SOT364-1 (TSSOP56) of PCA85276ATT . . . . . .45

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P30 P31-P33 P34-P36 P37-P39 P40-P42 P43-P45 P46-P48 P49-P51 P52-P54 P55-P55

PCA85276ATT/AJ

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Buy PCA85276ATT/AJ

Manufacturer:

NXP Semiconductors

Description:

LCD Drivers Automotive LCD drvr low multiplex

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PCA85276ATT/AJ