PCA8538UG(2014) View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

MFG CO.

PCA8538UG
(Rev.:2014)

Automotive 102 x 9 Chip-On-Glass LCD segment driver

NXP Semiconductors. 

NXP Semiconductors

PCA8538

Automotive 102 x 9 Chip-On-Glass LCD segment driver

26. Tables

Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . .3

Table 2. Ordering options . . . . . . . . . . . . . . . . . . . . . . . . .3

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

Table 4. Pin description . . . . . . . . . . . . . . . . . . . . . . . . . .6

Table 5. Commands of PCA8538 . . . . . . . . . . . . . . . . . .8

Table 6. Initialize command bit description . . . . . . . . . .10

Table 7. OTP-refresh - OTP-refresh command bit

description . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Table 8. Device-address - device address command bit

description . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Table 9. SYNC1_pin - SYNC1 pin configuration command

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

Table 10. Clock-out-ctrl - CLK pin input/output switch

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

Table 11. Read-select - status read select command

bit description . . . . . . . . . . . . . . . . . . . . . . . . .12

Table 12. Status-readout - status and temperature read

command bit description . . . . . . . . . . . . . . . . .12

Table 13. Clear-reset-flag - Clear-reset-flag command

bit description . . . . . . . . . . . . . . . . . . . . . . . . .13

Table 14. Charge-pump-ctrl - charge pump control

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

Table 15. Set-VLCD - Set-VLCD command bit description .14

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

description . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Table 17. Temperature-ctrl - temperature measurement

control command bit description . . . . . . . . . . .15

Table 18. TC-set - VLCD temperature compensation set

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

Table 19. TC-slope - VLCD temperature compensation slope

command bit description . . . . . . . . . . . . . . . . .17

Table 20. Set-MUX-mode - set multiplex drive mode

command bit description . . . . . . . . . . . . . . . . .18

Table 21. Inversion-mode - inversion mode command bit

description . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Table 22. Display-ctrl - display on and off switch command

bit description . . . . . . . . . . . . . . . . . . . . . . . . .19

Table 23. Frame-frequency - frame frequency select

command bit description . . . . . . . . . . . . . . . . .20

Table 24. Clock and frame frequency values . . . . . . . . .20

Table 25. Write-display-data - write display data command

bit description . . . . . . . . . . . . . . . . . . . . . . . . .21

Table 26. Input-bank-select - input bank select command bit

description . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Table 27. Output-bank-select - output bank select command

bit description . . . . . . . . . . . . . . . . . . . . . . . . .22

Table 28. Data-pointer-X and Data-pointer-Y - set data

pointer command bit description . . . . . . . . . . .23

Table 29. Reset state of PCA8538 . . . . . . . . . . . . . . . . .24

Table 30. Selection of possible display configurations . . .30

Table 31. Parameters of VLCD generation . . . . . . . . . . . .33

Table 32. Output resistance of the charge pump . . . . . . .35

Table 33. Temperature regions . . . . . . . . . . . . . . . . . . . .40

Table 34. Temperature coefficients. . . . . . . . . . . . . . . . . .41

Table 35. Calculation of the temperature compensated

value VT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Table 36. LCD drive modes: summary of characteristics 42

Table 37. Mapping of output pins and corresponding output

signals with respect to the multiplex driving

mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Table 38. Layout topology of output pins and corresponding

output signals with respect to the multiplex driving

mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Table 39. Bit scheme used to illustrate the RAM filling

patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Table 40. RAM filling in static drive mode . . . . . . . . . . . . 56

Table 41. RAM filling in 1:2 multiplex drive mode . . . . . . 57

Table 42. RAM filling in 1:4 multiplex drive mode . . . . . . 57

Table 43. RAM filling in 1:6 multiplex drive mode . . . . . . 58

Table 44. RAM filling in 1:8 multiplex drive mode . . . . . . 58

Table 45. RAM filling in 1:9 multiplex drive mode . . . . . . 59

Table 46. Control byte description . . . . . . . . . . . . . . . . . 63

Table 47. I2C slave address byte . . . . . . . . . . . . . . . . . . . 66

Table 48. R/W-bit description. . . . . . . . . . . . . . . . . . . . . . 66

Table 49. Serial interface . . . . . . . . . . . . . . . . . . . . . . . . . 68

Table 50. Subaddress byte definition. . . . . . . . . . . . . . . . 68

Table 51. Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 71

Table 52. Static characteristics . . . . . . . . . . . . . . . . . . . . 72

Table 53. General dynamic characteristics . . . . . . . . . . . 78

Table 54. I2C-bus timing characteristic . . . . . . . . . . . . . . 79

Table 55. SPI-bus timing characteristics . . . . . . . . . . . . . 80

Table 56. Addressing cascaded PCA8538 . . . . . . . . . . . 85

Table 57. Dimensions of PCA8538U . . . . . . . . . . . . . . . 90

Table 58. Bump locations . . . . . . . . . . . . . . . . . . . . . . . . 90

Table 59. Alignment marking . . . . . . . . . . . . . . . . . . . . . . 93

Table 60. Gold bump hardness . . . . . . . . . . . . . . . . . . . . 94

Table 61. Description of tray details. . . . . . . . . . . . . . . . . 96

Table 62. Selection of LCD segment drivers . . . . . . . . . 97

Table 63. Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 99

Table 64. Revision history . . . . . . . . . . . . . . . . . . . . . . . 101

PCA8538

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 4 — 26 September 2014

© NXP Semiconductors N.V. 2014. All rights reserved.

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