PCF8576DTSLASHS400SLASH2 datasheet(56/57 Pages) NXP

56 / 57 page

PCF8576D

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Product data sheet

Rev. 14 — 10 June 2013

56 of 57

NXP Semiconductors

PCF8576D

Universal LCD driver for low multiplex rates

26. Figures

Fig 1.

Block diagram of PCF8576D . . . . . . . . . . . . . . . . .3

Fig 2.

Pinning diagram for PCF8576DT (TSSOP56) . . . .4

Fig 3.

Pinning diagram for PCF8576DU (bare die) . . . . .5

Fig 4.

Example of displays suitable for PCF8576D . . . . .7

Fig 5.

Typical system configuration . . . . . . . . . . . . . . . . .8

Fig 6.

Electro-optical characteristic: relative

transmission curve of the liquid . . . . . . . . . . . . . . 11

Fig 7.

Static drive mode waveforms . . . . . . . . . . . . . . . .12

Fig 8.

Waveforms for the 1:2 multiplex drive mode

with 1⁄2 bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Fig 9.

Waveforms for the 1:2 multiplex drive mode

with 1⁄3 bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Fig 10. Waveforms for the 1:3 multiplex drive mode

with 1⁄3 bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Fig 11. Waveforms for the 1:4 multiplex drive mode

with 1⁄3 bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Fig 12. Display RAM bit map . . . . . . . . . . . . . . . . . . . . . .18

Fig 13. Relationship between LCD layout, drive mode,

display RAM filling order and display data

transmitted over the I2C-bus . . . . . . . . . . . . . . . .20

Fig 14. Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Fig 15. Definition of START and STOP conditions. . . . . .27

Fig 16. System configuration . . . . . . . . . . . . . . . . . . . . . .28

Fig 17. Acknowledgement of the I2C-bus . . . . . . . . . . . .28

Fig 18. I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . .30

Fig 19. Format of command byte . . . . . . . . . . . . . . . . . . .30

Fig 20. Device protection circuits . . . . . . . . . . . . . . . . . . .31

Fig 21. Driver timing waveforms . . . . . . . . . . . . . . . . . . .35

Fig 22. I2C-bus timing waveforms . . . . . . . . . . . . . . . . . .35

Fig 23. Cascaded PCF8576D configuration . . . . . . . . . .37

Fig 24. Synchronization of the cascade for the various

PCF8576D drive modes . . . . . . . . . . . . . . . . . . .38

Fig 25. Package outline SOT364-1 (TSSOP56) . . . . . . .39

Fig 26. Bare die outline PCF8576DU/DA (for dimensions

see Table 23) . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Fig 27. Bare die outline PCF8576DU/2DA (for dimensions

see Table 24) . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Fig 28. Tray details . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Fig 29. Tray alignment . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Fig 30. Tape details . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Fig 31. Temperature profiles for large and small

components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

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