PCA8546 4 x 44 automotive LCD driver Rev. 1 — 13 November 2013 Product data sheet 1. General description The PCA8546 is a peripheral device which generates the drive signals for any multiplexed LCD containing up to four backplanes, and up to 176 elements. The PCA8546 is compatible with most microcontrollers and communicates via the two-line bidirectional I2C-bus (PCA8546A) or a three line unidirectional SPI-bus (PCA8546B).
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 4. Ordering information Table 1. Ordering information Type number Interface Package type Name PCA8546ATT I2C-bus TSSOP56 plastic thin shrink small outline SOT364-1 package; 56 leads; body width 6.1 mm PCA8546BTT SPI-bus TSSOP56 plastic thin shrink small outline SOT364-1 package; 56 leads; body width 6.1 mm Description Version 4.1 Ordering options Table 2.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 6. Block diagram 9'' %3 WR %3 6 WR 6 9/&' %$&.3/$1( 2873876 /&' 92/7$*( 6(/(&725 ',63/$< 6(*0(17 2873876 ',63/$< 5(*,67(5 966 26&&/. /&' %,$6 *(1(5$725 26&,//$725 $1' &/2&. 6(/(&7,21 32:(5 21 5(6(7 5(6(7 6&/ 6'$ 35(6&$/(5 $1' 7,0,1* ,1387 ),/7(56 ',63/$< 5$0 3&$ $ &200$1' '(&2'(5 :5,7( '$7$ &21752/ , & %86 &21752//(5 DDD $ Fig 1.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 9'' %3 WR %3 6 WR 6 9/&' %$&.3/$1( 2873876 /&' 92/7$*( 6(/(&725 ',63/$< 6(*0(17 2873876 ',63/$< 5(*,67(5 966 /&' %,$6 *(1(5$725 ',63/$< 5$0 26&&/. 5(6(7 6&/ 6', 26&,//$725 $1' &/2&. 6(/(&7,21 35(6&$/(5 $1' 7,0,1* 32:(5 21 5(6(7 3&$ % &200$1' '(&2'(5 :5,7( '$7$ &21752/ '$7$ 32,17(5 $872 ,1&5(0(17 63, %86 &21752//(5 DDD &( Fig 2.
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx NXP Semiconductors PCA8546 Product data sheet 7. Pinning information 7.1 Pinning Rev.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 7.2 Pin description Table 4. Pin description of PCA8546ATT and PCA8546BTT Input or input/output pins must always be at a defined level (VSS or VDD) unless otherwise specified.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 8. Functional description The PCA8546 is a versatile peripheral device designed to interface any microcontroller to a wide variety of LCDs. It can directly drive any multiplexed LCD containing four backplanes and up to 44 segments. 8.1 Commands of PCA8546 The PCA8546 is controlled by 8 commands, which are defined in Table 5.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver This command will be completed after a maximum of 30 ms and requires either the internal or external clock to run. If the internal oscillator is not used, then a clock must be supplied to the OSCCLK pin. If the OTP-refresh instruction is sent and no clock is present, then the request is stored until a clock is available. Remark: It is recommended not to enter power-down mode during the OTP refresh cycle. Table 7.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver %3 6 %3 6 %3 6 %3 6 6 6 6 6 6 6 6 %3 6 6 6 %3 6 6 6 %3 6 6 6 %3 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 %36
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver Table 9.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver • A clock signal must always be supplied to the device when the display is active. Removing the clock may freeze the LCD in a DC state, which is not suitable for the liquid crystal. First disable the display and afterwards remove the clock signal. 8.1.3.4 Display enable The display enable bit (E) is used to enable and disable the display. When the display is disabled, all LCD outputs go to VSS.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver &2( ()5 26&&/. SLQ ,QWHUQDO RVFLOODWRU N+] 3URJUDPPDEOH GLYLGHU 26& /&' IUDPH IUHTXHQF\ VHOHFWLRQ T /&' ZDYHIRUP JHQHUDWRU N+] DDD (1) Can only be used with the internal oscillator (OSC = 0). (2) Can only be used with an external oscillator (OSC = 1). (3) Nominal value for divide factor q is 24; source clock is 230 kHz (see Section 8.1.6). Fig 7. Oscillator selection Table 11.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver Table 13. OSCCLK pin state depending on configuration PD OSC COE EFR OSCCLK pin[1] power-down n.a. off n.a. 3-state[2] power-down n.a. on n.a. VDD power-up internal oscillator off n.a. 3-state on n.a. 9.6 kHz output[3] n.a. 9.6 kHz 9.6 kHz input 230 kHz 230 kHz input external oscillator [1] When RESET is active, the pin OSCCLK is in 3-state.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver Table 15. Set-bias-mode - set bias mode command bit description Bit Symbol Value 7 to 2 - 000001 fixed value B[1:0] 00[1]. 1⁄ 4 bias 11 1⁄ 3 bias 10 1⁄ 2 bias 1 to 0 [1] 01 Description Default value. 8.1.6 Command: frame-frequency With the frame-frequency command, the frame frequency for the display can be configured. The clock frequency determines the frame frequency. Table 16.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver Table 17. Frame frequency prescaler values for 230 kHz clock operation …continued FD[4:0] Nominal LCD frame frequency (Hz)[1] Divide factor, q Intermediate clock frequency (Hz) 01000 140.9 34 6765 01001 149.7 32 7188 01010 159.7 30 7667 01011 171.1 28 8214 01100 177.5 27 8519 01101 191.7 25 9200 01110[2] 199.7 24 9583 01111 208.3 23 10000 10000 217.8 22 10455 10001 228.3 21 10952 10010 239.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver Table 19. Write-RAM-data - write RAM data command bit description For this command to be effective bit RS[1:0] of the control byte has to be set logic 01, see Table 23 on page 29. PCA8546 Product data sheet Bit Symbol Value Description 7 to 0 D[7:0] 00000000 to 11111111 writing data byte-wise to RAM All information provided in this document is subject to legal disclaimers. Rev. 1 — 13 November 2013 © NXP B.V. 2013. All rights reserved.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 8.2 Start-up and shut-down 8.2.1 Reset and Power-On Reset (POR) After power-on the PCA8546 has to be initialized by sending the two bytes of the initialize command (see Section 8.1.1 and Table 6). After a reset and the initialization the starting conditions of the PCA8546 are as follows: 1. The display is disabled. 2. All backplane and segment outputs are set to VSS. 3. The data pointers are cleared (set logic 0). 4. RAM data is not initialized.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 67$57 ([WHUQDO FORFN FDQ EH DSSOLHG QRZ 3RZHU RQ 9'' DQG 9/&' WRJHWKHU 6HQG 273 UHIUHVK 2SWLRQDOO\ WRJJOH 5(6(7 SLQ 6HW 0RGH VHWWLQJV %36 DQG ,19 6HOHFW H[WHUQDO FORFN %LDV PRGH /&' IUDPH IUHTXHQF\ :DLW PLQLPXP PV 6HQG GLVSOD\ FRQWHQW 6HQG LQLWLDOL]H FRPPDQG 06% DQG /6% ([WHUQDO FORFN PXVW EH DSSOLHG E\ QRZ (QDEOH WKH GLVSOD\ 6723 DDD Fig 8.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 67$57 3RZHU RQ 9'' DQG 9/&' WRJHWKHU 2SWLRQDOO\ WRJJOH 5(6(7 SLQ :DLW PLQLPXP PV 6HQG LQLWLDOL]H FRPPDQG 06% DQG /6% 6HQG 273 UHIUHVK 6HW PRGH VHWWLQJV %36 DQG ,19 ELDV PRGH /&' IUDPH IUHTXHQF\ 6HQG GLVSOD\ FRQWHQW (QDEOH WKH GLVSOD\ 6723 DDD Fig 9. PCA8546 Product data sheet Recommended start-up sequence when using the internal oscillator All information provided in this document is subject to legal disclaimers.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 8.3 Possible display configurations The PCA8546 is a versatile peripheral device designed to interface between any microcontroller to a wide variety of LCD segment or dot matrix displays (see Figure 10). It can drive multiplexed LCD with 4 backplanes and up to 44 segments. GRW PDWUL[ VHJPHQW ZLWK GRW VHJPHQW ZLWK GRW DQG DFFHQW DDD Fig 10. Example of displays suitable for PCA8546 Table 21.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 9'' 9/&' 6', +267 0,&52 &21752//(5 6&/ 9/&' 9'' 3&$ % &( VHJPHQW GULYHV EDFNSODQHV /&' 3$1(/ XS WR HOHPHQWV 966 DDD 966 Fig 12. Typical system configuration for the SPI-bus The host microcontroller maintains the two line I2C-bus or a three line SPI-bus communication channel with the PCA8546. The appropriate biasing voltages for the multiplexed LCD waveforms are generated internally.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 8.4 LCD voltage selector The LCD voltage selector coordinates the multiplexing of the LCD in accordance with the selected LCD drive configuration. The operation of the voltage selector is controlled by the set-bias-mode command (see Table 15). Fractional LCD biasing voltages are obtained from an internal voltage divider.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver V on RMS D = ----------------------- = V off RMS 2 a + 2a + n --------------------------2 a – 2a + n (5) VLCD is sometimes referred to as the LCD operating voltage. 8.4.1 Electro-optical performance Suitable values for Von(RMS) and Voff(RMS) are dependent on the LCD liquid used. The RMS voltage, at which a pixel gets switched on or off, determine the transmissibility of the pixel.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 8.5 LCD drive mode waveforms 8.5.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 8.5.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 8.7 Backplane outputs The LCD drive section includes four backplane outputs: BP0 to BP3 which must be connected directly to the LCD. 8.8 Segment outputs The LCD drive section includes up to 44 segment outputs (S0 to S43) which must be connected directly to the LCD. The segment output signals are generated based on the data resident in the display register. When less segment outputs are required, the unused segment outputs must be left open-circuit.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 8.9.1 Data pointer The addressing mechanism for the display RAM is realized using the data pointer. This allows the loading of an individual display data byte, or a series of display data bytes, into any location of the display RAM. The sequence commences with the initialization of the data pointer by the load-data-pointer command (see Table 18).
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver &ROXPQV 'LVSOD\ 5$0 DGGUHVVHV FROXPQV VHJPHQW RXWSXWV 6 5RZV 'LVSOD\ 5$0 ELWV URZV EDFNSODQH RXWSXWV %3 E E E E 'LVFDUGHG E E E E E E E E 06% /6% 7UDQVPLWWHG GDWD E\WH DDD Fig 18. Boundary condition in 1:4 multiplex drive mode PCA8546 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 13 November 2013 © NXP B.V.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 9. Bus interfaces 9.1 Control byte and register selection After initiating the communication over the bus and sending the slave address (I2C-bus, see Section 9.2) or subaddress (SPI-bus, see Section 9.3), a control byte follows. The purpose of this byte is to indicate both, the content for the following data bytes (RAM, or command) and to indicate that more control bytes will follow.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 9.2.1 Bit transfer One data bit is transferred during each clock pulse. The data on the SDA line must remain stable during the HIGH period of the clock pulse as changes in the data line at this time is interpreted as a control signal (see Figure 20). 6'$ 6&/ GDWD OLQH VWDEOH GDWD YDOLG FKDQJH RI GDWD DOORZHG PED Fig 20. Bit transfer 9.2.2 START and STOP conditions Both data and clock lines remain HIGH when the bus is not busy.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 9.2.4 Acknowledge The number of data bytes transferred between the START and STOP conditions from transmitter to receiver is unlimited. Each byte of 8 bits is followed by an acknowledge cycle. • A slave receiver which is addressed must generate an acknowledge after the reception of each byte. • Also a master receiver must generate an acknowledge after the reception of each byte that has been clocked out of the slave transmitter.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver Table 24. I2C slave address byte Slave address Bit 7 6 5 4 3 2 1 0 1 1 1 0 0 A0 R/W MSB 0 LSB The least significant bit of the slave address byte is bit R/W (see Table 25). Table 25. R/W-bit description R/W Description 0 write data 1 read data Bit 1 of the slave address is defined by connecting the input A0 to either VSS (logic 0) or VDD (logic 1).
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 5 : VODYH DGGUHVV FRQWURO E\WH 5 5 $ & 6 6 6 $ 2 5$0 FRPPDQG E\WH / 0 6 3 $ 6 % % (;$03/(6 D WUDQVPLW WZR E\WH RI 5$0 GDWD 6 $ $ 5$0 '$7$ $ 5$0 '$7$ $ $ &200$1' $ $ &200$1' $ 3 $ $ 5$0 '$7$ $ $ 3 E WUDQVPLW WZR FRPPDQG E\WHV 6 $ $ F WUDQVPLW RQH FRPPDQG E\WH DQG WZR 5$0 GDWH E\WHV $ 6 $ $ $ &200$1' 5$0 '$7$ $ 3 DDD
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver Table 27. Modified status read out value Bit Symbol Value Description 7 to 1 - 1111000 fixed value 0 A0 0 read back value is 1111 0000 1 read back value is 1111 0001 EMC detection: The PCA8546 is ruggedized against EMC susceptibility; however it is not possible to cover all cases. To detect if a severe EMC event has occurred, it is possible to check the responsiveness of the device by reading its register. 9.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver After the subaddress byte, a control byte follows (see Section 9.1 on page 29).
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 10. Internal circuitry 9'' $ 5(6(7 26&&/. 966 9/&' 9'' 6&/ 6'$ 9/&' 966 %3 WR %3 6 WR 6 966 DDD Fig 29. Device protection diagram for PCA8546A 9'' &( 5(6(7 26&&/. 6', 6&/ 9/&' 9'' 966 9/&' 966 %3 WR %3 6 WR 6 966 DDD Fig 30. Device protection diagram for PCA8546B 11. Safety notes CAUTION This device is sensitive to ElectroStatic Discharge (ESD).
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 12. Limiting values Table 30. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter VDD Conditions Min Max Unit supply voltage 0.5 +6.5 V IDD supply current 50 +50 mA VLCD LCD supply voltage 0.5 +10 V IDD(LCD) LCD supply current 50 +50 mA VI input voltage 0.5 +6.5 V 0.5 +6.5 V 10 +10 mA on pins S0 to S43, BP0 to BP3 0.5 +10 V on pin SDA 0.5 +6.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 13. Static characteristics Table 31. Static characteristics VDD = 1.8 V to 5.5 V; VSS = 0 V; VLCD = 2.5 V to 9 V; Tamb = 40 C to +95 C; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit 1.8 2.5 - 5.5 V - 9 [1] V - 0.5 2 A external 9.6 kHz clock [2] - 10 25 A internal oscillator [2] - 30 60 A power-down, see Figure 32 [1][3] - 7 15 A [4] - 55 140 A VSS 0.5 - VDD + 0.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver Table 31. Static characteristics …continued VDD = 1.8 V to 5.5 V; VSS = 0 V; VLCD = 2.5 V to 9 V; Tamb = 40 C to +95 C; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit I2C-bus[5] On pins SCL and SDA VI input voltage VSS 0.5 - 5.5 V VIL LOW-level input voltage - - 0.3VDD V VIH HIGH-level input voltage 0.7VDD - - V VO output voltage 0.5 - +5.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver DDD ,'' $ 7DPE & 1⁄ 4 bias; internal oscillator; display enabled; LCD outputs are open circuit; RAM is all written with logic 1; inputs at VSS or VDD; default display prescale factor; I2C-bus or SPI-bus inactive. Typical is defined at VDD = 3.3 V, 25 C. Fig 31.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver DDD ,'' /&' $ 9/&' 9 9/&' 9 7DPE & 1⁄ 4 bias; display enabled; LCD outputs are open circuit; RAM is all written with logic 1; default display prescale factor. Typical is defined at 25 C. Fig 33. Typical IDD(LCD) when display is active with respect to temperature PCA8546 Product data sheet All information provided in this document is subject to legal disclaimers. Rev.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 14. Dynamic characteristics Table 32. Dynamic characteristics VDD = 1.8 V to 5.5 V; VSS = 0 V; VLCD = 2.5 V to 9 V; Tamb = 40 C to +95 C; unless otherwise specified. Symbol Parameter Conditions [1] Min Typ Max Unit 7800 9600 11040 Hz fclk clock frequency output on pin OSCCLK; VDD = 3.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver W5(6(7 / 5(6(7 9'' DDD Fig 36. RESET timing Table 33. Timing characteristics: I2C-bus VDD = 1.8 V to 5.5 V; VSS = 0 V; Tamb = 40 C to +95 C; unless otherwise specified. All timing values are valid within the operating supply voltage and temperature range and referenced to VIL and VIH with an input voltage swing of VSS to VDD. Timing waveforms see Figure 37.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver SURWRFRO 67$57 FRQGLWLRQ 6 W68 67$ ELW 06% $ W/2: ELW $ W+,*+ I ELW 5 : DFNQRZOHGJH $ 6723 FRQGLWLRQ 3 6&/ 6&/ W%8) WU WI 6'$ W+' 67$ W68 '$7 W9' '$7 W+' '$7 W9' $&. W68 672 DDD Fig 37. I2C-bus timing waveforms Table 34. Timing characteristics: SPI-bus VDD = 1.8 V to 5.5 V; VSS = 0 V; Tamb = 40 C to +95 C.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver &( WVX &(B1 WU W6&/ WFON + WI WUHF &(B1 WK &(B1 6&/ WFON / WVX WK 6', E E E DDD Fig 38. SPI-bus timing PCA8546 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 13 November 2013 © NXP B.V. 2013. All rights reserved.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 15.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 16. Handling information All input and output pins are protected against ElectroStatic Discharge (ESD) under normal handling. When handling Metal-Oxide Semiconductor (MOS) devices ensure that all normal precautions are taken as described in JESD625-A, IEC 61340-5 or equivalent standards. PCA8546 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 13 November 2013 © NXP B.V. 2013.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 17. Packing information 17.1 Tape and reel information 723 9,(: ' 3 : SLQ % \ 3 $ ' . [ GLUHFWLRQ RI IHHG 2ULJLQDO GLPHQVLRQV DUH LQ PP )LJXUH QRW GUDZQ WR VFDOH DDD Fig 40. Tape and reel details for PCA8546ATT and PCA8546BTT Table 35. Carrier tape dimensions of PCA8546ATT and PCA8546BTT Symbol Description Value Unit Compartments A0 pocket width in x direction 8.65 to 8.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 18. Soldering of SMD packages This text provides a very brief insight into a complex technology. A more in-depth account of soldering ICs can be found in Application Note AN10365 “Surface mount reflow soldering description”. 18.1 Introduction to soldering Soldering is one of the most common methods through which packages are attached to Printed Circuit Boards (PCBs), to form electrical circuits.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 18.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver temperature maximum peak temperature = MSL limit, damage level minimum peak temperature = minimum soldering temperature peak temperature time 001aac844 MSL: Moisture Sensitivity Level Fig 41. Temperature profiles for large and small components For further information on temperature profiles, refer to Application Note AN10365 “Surface mount reflow soldering description”.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 19. Footprint information for reflow soldering )RRWSULQW LQIRUPDWLRQ IRU UHIORZ VROGHULQJ RI 76623 SDFNDJH 627 +[ *[ 3 +\ *\ %\ $\ & ' [ ' 3 *HQHULF IRRWSULQW SDWWHUQ 5HIHU WR WKH SDFNDJH RXWOLQH GUDZLQJ IRU DFWXDO OD\RXW VROGHU ODQG RFFXSLHG DUHD ',0(16,216 LQ PP 3 3 $\ %\ & ' ' *[ *\ +[ +\ VRW BIU Fig 42.
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xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx Selection of LCD segment drivers …continued Type name Number of elements at MUX VDD (V) VLCD (V) ffr (H
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx Extra feature: Temperature sensor. [4] Extra feature: 6 PWM channels. [5] In development.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 21. Abbreviations Table 39.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 22.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 23. Revision history Table 40. Revision history Document ID Release date Data sheet status Change notice Supersedes PCA8546 v.1 20131113 Product data sheet - - PCA8546 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 13 November 2013 © NXP B.V. 2013. All rights reserved.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 24. Legal information 24.1 Data sheet status Document status[1][2] Product status[3] Definition Objective [short] data sheet Development This document contains data from the objective specification for product development. Preliminary [short] data sheet Qualification This document contains data from the preliminary specification. Product [short] data sheet Production This document contains the product specification.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver No offer to sell or license — Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. Translations — A non-English (translated) version of a document is for reference only.
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 26. Tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Table 13. Table 14. Table 15. Table 16. Table 17. Table 18. Table 19. Table 20. Table 21. Table 22. Table 23. Table 24. Table 25. Table 26. Table 27. Table 28. Table 29. Table 30. Table 31. Table 32. Table 33. Table 34. Table 35. Table 36. Table 37. Table 38. Table 39. Table 40. Ordering information . . . . . . . . . . . . . . .
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 27. Figures Fig 1. Fig 2. Fig 3. Fig 4. Fig 5. Fig 6. Fig 7. Fig 8. Fig 9. Fig 10. Fig 11. Fig 12. Fig 13. Fig 14. Fig 15. Fig 16. Fig 17. Fig 18. Fig 19. Fig 20. Fig 21. Fig 22. Fig 23. Fig 24. Fig 25. Fig 26. Fig 27. Fig 28. Fig 29. Fig 30. Fig 31. Fig 32. Fig 33. Fig 34. Fig 35. Fig 36. Fig 37. Fig 38. Fig 39. Fig 40. Fig 41. Fig 42. Block diagram of PCA8546A . . . . . . . . . . . . . . . . .3 Block diagram of PCA8546B . . . . . . . . . . . . .
PCA8546 NXP Semiconductors 4 x 44 automotive LCD driver 28. Contents 1 2 3 4 4.1 5 6 7 7.1 7.2 8 8.1 8.1.1 8.1.2 8.1.3 8.1.3.1 8.1.3.2 8.1.3.3 8.1.3.4 8.1.4 8.1.4.1 8.1.4.2 8.1.5 8.1.6 8.1.7 8.1.8 8.2 8.2.1 8.2.2 8.2.3 8.3 8.4 8.4.1 8.5 8.5.1 8.5.2 8.6 8.7 8.8 8.9 8.9.1 8.9.2 9 9.1 9.2 General description . . . . . . . . . . . . . . . . . . . . . . 1 Features and benefits . . . . . . . . . . . . . . . . . . . . 1 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . .