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PCA8546BTT/AJ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P57P58-P60P61-P63
PCA8546 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 13 November 2013 61 of 63
NXP Semiconductors
PCA8546
4 x 44 automotive LCD driver
26. Tables
Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . .2
Table 2. Ordering options . . . . . . . . . . . . . . . . . . . . . . . . .2
Table 3. Marking codes . . . . . . . . . . . . . . . . . . . . . . . . . .2
Table 4. Pin description of PCA8546ATT and
PCA8546BTT . . . . . . . . . . . . . . . . . . . . . . . . . .6
Table 5. Commands of PCA8546 . . . . . . . . . . . . . . . . . .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-bias-mode - set bias mode command
bit description . . . . . . . . . . . . . . . . . . . . . . . . .14
Table 16. Frame-frequency - frame frequency and output
clock frequency command bit description . . . .14
Table 17. Frame frequency prescaler values for 230 kHz
clock operation . . . . . . . . . . . . . . . . . . . . . . . .14
Table 18. Load-data-pointer - load data pointer
command bit description. . . . . . . . . . . . . . . . . .15
Table 19. Write-RAM-data - write RAM data command
bit description . . . . . . . . . . . . . . . . . . . . . . . . .16
Table 20. Starting conditions . . . . . . . . . . . . . . . . . . . . . .17
Table 21. Display configuration . . . . . . . . . . . . . . . . . . . .20
Table 22. Preferred LCD drive modes: summary
of characteristics. . . . . . . . . . . . . . . . . . . . . . . .22
Table 23. Control byte description . . . . . . . . . . . . . . . . . .29
Table 24. I
2
C slave address byte . . . . . . . . . . . . . . . . . . .32
Table 25. R/W
-bit description . . . . . . . . . . . . . . . . . . . . . .32
Table 26. Status read out value . . . . . . . . . . . . . . . . . . . .33
Table 27. Modified status read out value . . . . . . . . . . . . .34
Table 28. Serial interface . . . . . . . . . . . . . . . . . . . . . . . . .34
Table 29. Subaddress byte definition . . . . . . . . . . . . . . . .34
Table 30. Limiting values . . . . . . . . . . . . . . . . . . . . . . . . .37
Table 31. Static characteristics . . . . . . . . . . . . . . . . . . . .38
Table 32. Dynamic characteristics . . . . . . . . . . . . . . . . . .42
Table 33. Timing characteristics: I
2
C-bus . . . . . . . . . . . .43
Table 34. Timing characteristics: SPI-bus . . . . . . . . . . . .44
Table 35. Carrier tape dimensions of PCA8546ATT
and PCA8546BTT . . . . . . . . . . . . . . . . . . . . .48
Table 36. SnPb eutectic process (from J-STD-020D) . . .50
Table 37. Lead-free process (from J-STD-020D) . . . . . .50
Table 38. Selection of LCD segment drivers . . . . . . . . . .53
Table 39. Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . .56
Table 40. Revision history . . . . . . . . . . . . . . . . . . . . . . . .58
PCA8546 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 13 November 2013 62 of 63
NXP Semiconductors
PCA8546
4 x 44 automotive LCD driver
27. Figures
Fig 1. Block diagram of PCA8546A . . . . . . . . . . . . . . . . .3
Fig 2. Block diagram of PCA8546B . . . . . . . . . . . . . . . . .4
Fig 3. Pin configuration for TSSOP56 (PCA8546ATT) . .5
Fig 4. Pin configuration for TSSOP56 (PCA8546BTT) . .5
Fig 5. Effect of backplane swapping . . . . . . . . . . . . . . . .9
Fig 6. Recommended power-down sequence . . . . . . . .10
Fig 7. Oscillator selection. . . . . . . . . . . . . . . . . . . . . . . .12
Fig 8. Recommended start-up sequence when
using an external clock signal . . . . . . . . . . . . . . .18
Fig 9. Recommended start-up sequence when
using the internal oscillator . . . . . . . . . . . . . . . . .19
Fig 10. Example of displays suitable for PCA8546 . . . . .20
Fig 11. Typical system configuration for the I
2
C-bus . . . .20
Fig 12. Typical system configuration for the SPI-bus. . . .21
Fig 13. Electro-optical characteristic: relative
transmission curve of the liquid . . . . . . . . . . . . . .23
Fig 14. Waveforms for the 1:4 multiplex drive mode
with
1
⁄
3
bias and line inversion . . . . . . . . . . . . . . .24
Fig 15. Waveforms for 1:4 multiplex drive mode
with
1
⁄
3
bias and frame inversion . . . . . . . . . . . . .25
Fig 16. Display RAM bitmap . . . . . . . . . . . . . . . . . . . . . .26
Fig 17. Display RAM filling order in 1:4 multiplex
drive mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Fig 18. Boundary condition in 1:4 multiplex drive mode .28
Fig 19. Control byte format . . . . . . . . . . . . . . . . . . . . . . .29
Fig 20. Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Fig 21. Definition of START and STOP conditions. . . . . .30
Fig 22. System configuration . . . . . . . . . . . . . . . . . . . . . .30
Fig 23. Acknowledgement on the I
2
C-bus . . . . . . . . . . . .31
Fig 24. I
2
C-bus protocol write mode . . . . . . . . . . . . . . . .33
Fig 25. I
2
C-bus protocol read mode. . . . . . . . . . . . . . . . .33
Fig 26. Data transfer overview. . . . . . . . . . . . . . . . . . . . .34
Fig 27. SPI-bus write example. . . . . . . . . . . . . . . . . . . . .35
Fig 28. SPI-bus example . . . . . . . . . . . . . . . . . . . . . . . . .35
Fig 29. Device protection diagram for PCA8546A . . . . . .36
Fig 30. Device protection diagram for PCA8546B . . . . . .36
Fig 31. Typical I
DD
with respect to temperature . . . . . . . .40
Fig 32. Typical I
DD(LCD)
in power-down mode
with respect to temperature . . . . . . . . . . . . . . . . .40
Fig 33. Typical I
DD(LCD)
when display is active
with respect to temperature . . . . . . . . . . . . . . . . .41
Fig 34. Typical clock frequency with respect to V
DD
and temperature . . . . . . . . . . . . . . . . . . . . . . . . .42
Fig 35. Driver timing waveforms . . . . . . . . . . . . . . . . . . .42
Fig 36. RESET
timing . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Fig 37. I
2
C-bus timing waveforms . . . . . . . . . . . . . . . . . .44
Fig 38. SPI-bus timing . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Fig 39. Package outline SOT364-1 (TSSOP56) . . . . . . .46
Fig 40. Tape and reel details for PCA8546ATT
and PCA8546BTT . . . . . . . . . . . . . . . . . . . . . . . .48
Fig 41. Temperature profiles for large and small
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Fig 42. Footprint information for reflow soldering of
SOT364-1 (TSSOP56) package . . . . . . . . . . . . .52
NXP Semiconductors
PCA8546
4 x 44 automotive LCD driver
© NXP B.V. 2013. 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: 13 November 2013
Document identifier: PCA8546
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 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
4.1 Ordering options. . . . . . . . . . . . . . . . . . . . . . . . 2
5 Marking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7 Pinning information. . . . . . . . . . . . . . . . . . . . . . 5
7.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 Functional description . . . . . . . . . . . . . . . . . . . 7
8.1 Commands of PCA8546. . . . . . . . . . . . . . . . . . 7
8.1.1 Command: initialize . . . . . . . . . . . . . . . . . . . . . 7
8.1.2 Command: OTP-refresh . . . . . . . . . . . . . . . . . . 7
8.1.3 Command: mode-settings . . . . . . . . . . . . . . . . 8
8.1.3.1 Backplane swapping. . . . . . . . . . . . . . . . . . . . . 8
8.1.3.2 Line inversion (driving scheme A) and frame
inversion (driving scheme B) . . . . . . . . . . . . . . 9
8.1.3.3 Power-down mode . . . . . . . . . . . . . . . . . . . . . . 9
8.1.3.4 Display enable . . . . . . . . . . . . . . . . . . . . . . . . 11
8.1.4 Command: oscillator-control . . . . . . . . . . . . . 11
8.1.4.1 Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
8.1.4.2 Timing and frame frequency. . . . . . . . . . . . . . 13
8.1.5 Command: set-bias-mode . . . . . . . . . . . . . . . 13
8.1.6 Command: frame-frequency. . . . . . . . . . . . . . 14
8.1.7 Command: load-data-pointer . . . . . . . . . . . . . 15
8.1.8 Command: write-RAM-data . . . . . . . . . . . . . . 15
8.2 Start-up and shut-down. . . . . . . . . . . . . . . . . . 17
8.2.1 Reset and Power-On Reset (POR). . . . . . . . . 17
8.2.2 RESET
pin function . . . . . . . . . . . . . . . . . . . . 17
8.2.3 Recommended start-up sequences . . . . . . . . 17
8.3 Possible display configurations . . . . . . . . . . . 20
8.4 LCD voltage selector . . . . . . . . . . . . . . . . . . . 22
8.4.1 Electro-optical performance . . . . . . . . . . . . . . 23
8.5 LCD drive mode waveforms . . . . . . . . . . . . . . 24
8.5.1
1
⁄
3
bias and line inversion . . . . . . . . . . . . . . . . 24
8.5.2
1
⁄
3
bias and frame inversion . . . . . . . . . . . . . . 25
8.6 Display register. . . . . . . . . . . . . . . . . . . . . . . . 25
8.7 Backplane outputs . . . . . . . . . . . . . . . . . . . . . 26
8.8 Segment outputs. . . . . . . . . . . . . . . . . . . . . . . 26
8.9 Display RAM. . . . . . . . . . . . . . . . . . . . . . . . . . 26
8.9.1 Data pointer . . . . . . . . . . . . . . . . . . . . . . . . . . 27
8.9.2 RAM filling . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9 Bus interfaces . . . . . . . . . . . . . . . . . . . . . . . . . 29
9.1 Control byte and register selection . . . . . . . . . 29
9.2 I
2
C-bus interface. . . . . . . . . . . . . . . . . . . . . . . 29
9.2.1 Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
9.2.2 START and STOP conditions. . . . . . . . . . . . . 30
9.2.3 System configuration . . . . . . . . . . . . . . . . . . . 30
9.2.4 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 31
9.2.5 I
2
C-bus controller. . . . . . . . . . . . . . . . . . . . . . 31
9.2.6 Input filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
9.2.7 I
2
C-bus slave address . . . . . . . . . . . . . . . . . . 31
9.2.8 I
2
C-bus protocol. . . . . . . . . . . . . . . . . . . . . . . 32
9.2.8.1 Status read out. . . . . . . . . . . . . . . . . . . . . . . . 33
9.3 SPI-bus interface . . . . . . . . . . . . . . . . . . . . . . 34
9.3.1 Data transmission . . . . . . . . . . . . . . . . . . . . . 34
10 Internal circuitry . . . . . . . . . . . . . . . . . . . . . . . 36
11 Safety notes. . . . . . . . . . . . . . . . . . . . . . . . . . . 36
12 Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 37
13 Static characteristics . . . . . . . . . . . . . . . . . . . 38
14 Dynamic characteristics. . . . . . . . . . . . . . . . . 42
15 Package outline. . . . . . . . . . . . . . . . . . . . . . . . 46
16 Handling information . . . . . . . . . . . . . . . . . . . 47
17 Packing information . . . . . . . . . . . . . . . . . . . . 48
17.1 Tape and reel information . . . . . . . . . . . . . . . 48
18 Soldering of SMD packages. . . . . . . . . . . . . . 49
18.1 Introduction to soldering. . . . . . . . . . . . . . . . . 49
18.2 Wave and reflow soldering. . . . . . . . . . . . . . . 49
18.3 Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 49
18.4 Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 50
19 Footprint information for reflow soldering. . 51
20 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
20.1 LCD segment driver selection . . . . . . . . . . . . 53
21 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 56
22 References. . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
23 Revision history . . . . . . . . . . . . . . . . . . . . . . . 58
24 Legal information . . . . . . . . . . . . . . . . . . . . . . 59
24.1 Data sheet status. . . . . . . . . . . . . . . . . . . . . . 59
24.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
24.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 59
24.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 60
25 Contact information . . . . . . . . . . . . . . . . . . . . 60
26 Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
27 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
28 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P57P58-P60P61-P63

PCA8546BTT/AJ

Mfr. #:
Buy PCA8546BTT/AJ
Manufacturer:
NXP Semiconductors
Description:
LCD Drivers PCA8546BTT/TSSOP56//A/REEL 13 Q1 NDP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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