PCF8545ATTSLASHA datasheet(69/72 Pages) NXP

69 / 72 page

PCF8545

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Product data sheet

Rev. 1 — 13 November 2013

69 of 72

NXP Semiconductors

PCF8545

Universal LCD driver for multiplex rates up to 1:8

26. Tables

Table 1.

Ordering information . . . . . . . . . . . . . . . . . . . . .2

Table 2.

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

Table 3.

Marking codes . . . . . . . . . . . . . . . . . . . . . . . . . .2

Table 4.

Pin description of PCF8545ATT and

PCF8545BTT . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Table 5.

Commands of PCF8545 . . . . . . . . . . . . . . . . . .7

Table 6.

Initialize - initialize command bit description . . .7

Table 7.

OTP-refresh - OTP-refresh command bit

description . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Table 8.

Mode-settings - mode settings command

bit description . . . . . . . . . . . . . . . . . . . . . . . . . .8

Table 9.

Effect of the power-down bit (PD). . . . . . . . . . .10

Table 10. Oscillator-control - oscillator control

command bit description . . . . . . . . . . . . . . . . . 11

Table 11. Valid combinations of bits OSC, EFR,

and COE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Table 12. Typical use of bits OSC, EFR, and COE . . . . .12

Table 13. OSCCLK pin state depending on configuration 13

Table 14. LCD frame frequencies. . . . . . . . . . . . . . . . . . .13

Table 15. Set-MUX-mode - set multiplex drive mode

command bit description . . . . . . . . . . . . . . . . .14

Table 16. Set-bias-mode - set bias mode command

bit description . . . . . . . . . . . . . . . . . . . . . . . . .14

Table 17. Frame-frequency - frame frequency and output

clock frequency command bit description . . . .14

Table 18. Frame frequency prescaler values for 230 kHz

clock operation . . . . . . . . . . . . . . . . . . . . . . . .15

Table 19. Load-data-pointer - load data pointer

command bit description. . . . . . . . . . . . . . . . . .16

Table 20. Write-RAM-data - write RAM data

command bit description[1] . . . . . . . . . . . . . . . .16

Table 21. Reset state . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Table 22. Selection of display configurations . . . . . . . . . .20

Table 23. Preferred LCD drive modes: summary of

characteristics. . . . . . . . . . . . . . . . . . . . . . . . . .22

Table 24. Backplane and active segment combinations. .29

Table 25. Control byte description . . . . . . . . . . . . . . . . . .36

Table 26. I2C slave address byte . . . . . . . . . . . . . . . . . . .39

Table 27. R/W-bit description . . . . . . . . . . . . . . . . . . . . . .39

Table 28. Status read out value . . . . . . . . . . . . . . . . . . . .40

Table 29. Modified status read out value . . . . . . . . . . . . .41

Table 30. Serial interface . . . . . . . . . . . . . . . . . . . . . . . . .42

Table 31. Subaddress byte definition . . . . . . . . . . . . . . . .42

Table 32. Limiting values . . . . . . . . . . . . . . . . . . . . . . . . .45

Table 33. Static characteristics . . . . . . . . . . . . . . . . . . . .46

Table 34. Dynamic characteristics . . . . . . . . . . . . . . . . . .50

Table 35. Timing characteristics: I2C-bus . . . . . . . . . . . .51

Table 36. Timing characteristics: SPI-bus . . . . . . . . . . . .52

Table 37. Carrier tape dimensions of PCF8545ATT

and PCF8545BTT . . . . . . . . . . . . . . . . . . . . . .56

Table 38. SnPb eutectic process (from J-STD-020D) . . .58

Table 39. Lead-free process (from J-STD-020D) . . . . . .58

Table 40. Selection of LCD segment drivers . . . . . . . . . .61

Table 41. Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . .64

Table 42. Revision history . . . . . . . . . . . . . . . . . . . . . . . .66

PCF8545ATT/A 数据表(PDF) 69 Page - NXP Semiconductors

PCF8545ATT/A 数据表(HTML) 69 Page - NXP Semiconductors

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