PCA85132U/2DB/Q1,0 NXP Semiconductors, PCA85132U/2DB/Q1,0 Datasheet

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PCA85132U/2DB/Q1,0

Manufacturer Part Number
PCA85132U/2DB/Q1,0
Description
IC LCD DRIVER 32 UNCASED
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PCA85132U/2DB/Q1,0

Display Type
LCD
Configuration
Multiple
Interface
I²C
Digits Or Characters
Any Digit Type
Current - Supply
60µA
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 95°C
Mounting Type
*
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
1. General description
2. Features and benefits
1.
The definition of the abbreviations and acronyms used in this data sheet can be found in
The PCA85132 is a peripheral device which interfaces to almost any Liquid Crystal
Display (LCD)
multiplexed LCD containing up to four backplanes and up to 160 segments. It can be
easily cascaded for larger LCD applications. The PCA85132 is compatible with most
microprocessors or microcontrollers and communicates via a two-line bidirectional
I
auto-incremented addressing, by hardware subaddressing, and by display memory
switching (static and duplex drive modes).
AEC-Q100 compliant for automotive applications.
2
C-bus. Communication overheads are minimized by a display RAM with
PCA85132
LCD driver for low multiplex rates
Rev. 01 — 6 May 2010
Single-chip LCD controller and driver for up to 640 elements
Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing
160 segment drives:
May be cascaded for large LCD applications (up to 5120 elements possible)
160 × 4-bit RAM for display data storage
Software programmable frame frequency in steps of 5 Hz in the range of 60 Hz to
90 Hz; factory calibrated
Wide LCD supply range: from 1.8 V for low threshold LCDs and up to 8.0 V for
guest-host LCDs and high threshold (automobile) twisted nematic LCDs
Internal LCD bias generation with voltage-follower buffers
Selectable display bias configuration: static,
Wide power supply range: from 1.8 V to 5.5 V
LCD and logic supplies may be separated
Low power consumption, typical: I
400 kHz I
Auto-incremental display data loading across device subaddress boundaries
Versatile blinking modes
Compatible with Chip-On-Glass (COG) technology
No external components
Two sets of backplane outputs for optimal COG configurations of the application
Up to eighty 7-segment numeric characters
Up to forty 14-segment alphanumeric characters
Any graphics of up to 640 elements
2
C-bus interface
1
with low multiplex rates. It generates the drive signals for any static or
DD
= 4 μA, I
1
2
DD(LCD)
, or
Section
1
3
= 30 μA
15.
Product data sheet

Related parts for PCA85132U/2DB/Q1,0

PCA85132U/2DB/Q1,0 Summary of contents

Page 1

PCA85132 LCD driver for low multiplex rates Rev. 01 — 6 May 2010 1. General description The PCA85132 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) multiplexed LCD containing up to four backplanes and up ...

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... NXP Semiconductors 3. Ordering information Table 1. Type number PCA85132U/2DA/Q1 PCA85132U bare die; 197 bumps; PCA85132U/2DB/Q1 PCA85132U bare die; 197 bumps; [1] Bump hardness see 4. Marking Table 2. Type number PCA85132U/2DA/Q1 PCA85132U/2DB/Q1 PCA85132_1 Product data sheet Ordering information Package Name Description 6.5 × 1.16 × 0.40 mm 6.5 × ...

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... NXP Semiconductors 5. Block diagram V LCD LCD BIAS GENERATOR V SS CLK CLOCK SELECT AND TIMING SYNC OSC OSCILLATOR SCL INPUT FILTERS SDA Fig 1. Block diagram of PCA85132 PCA85132_1 Product data sheet BP0 BP1 BP2 BP3 BACKPLANE OUTPUTS LCD VOLTAGE SELECTOR DISPLAY CONTROL PCA85132 ...

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Pinning information 6.1 Pinning PCA85132 Viewed from active side. For mechanical details, see Fig 2. Pinning diagram of PCA85132 + Figure 31. 013aaa060 ...

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... NXP Semiconductors 6.2 Pin description Table 3. Symbol SDAACK [1] SDA SCL CLK V DD SYNC OSC T1, T2 and T3 A0 and A1 SA0 [ LCD BP2 and BP0 S0 to S79 BP0, BP2, BP1, and BP3 S80 to S159 BP3 and BP1 [1] For most applications SDA and SDAACK are shorted together (see ...

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... NXP Semiconductors 7. Functional description The PCA85132 is a versatile peripheral device designed to interface between any microprocessor or microcontroller to a wide variety of LCD segment or dot matrix displays (see Figure backplanes and up to 160 segments. The display configurations possible with the PCA85132 depend on the required number of active backplane outputs ...

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... NXP Semiconductors Fig 4. The host microprocessor or microcontroller maintains the 2-line I channel with the PCA85132. Biasing voltages for the multiplexed LCD waveforms are generated internally, removing the need for an external bias generator. The internal oscillator is selected by connecting pin OSC to V power supplies (V 7 ...

Page 8

... NXP Semiconductors 7.3 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 mode-set command from the command decoder. The biasing configurations that apply to the preferred modes of operation, together with the biasing characteristics as functions of ...

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... NXP Semiconductors Using Equation ⁄ 1 bias is 2 ⁄ 1 bias is 2 The advantage of these LCD drive modes is a reduction of the LCD full scale voltage V as follows: • 1:3 multiplex ( • 1:4 multiplex ( These compare with It should be noted that V PCA85132_1 Product data sheet ...

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... NXP Semiconductors 7.4 LCD drive mode waveforms 7.4.1 Static drive mode The static LCD drive mode is used when a single backplane is provided in the LCD. Backplane and segment drive waveforms for this mode are shown in Fig 5. PCA85132_1 Product data sheet V LCD BP0 V SS ...

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... NXP Semiconductors 7.4.2 1:2 multiplex drive mode When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The PCA85132 allows the use of Figure 7. Fig 6. PCA85132_1 Product data sheet ⁄ bias LCD V /2 BP0 LCD LCD BP1 V /2 LCD V SS ...

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... NXP Semiconductors Fig 7. PCA85132_1 Product data sheet V LCD 2V /3 LCD BP0 V /3 LCD LCD 2V /3 LCD BP1 V /3 LCD LCD 2V /3 LCD LCD LCD 2V /3 LCD S n LCD LCD 2V /3 LCD V /3 LCD state − LCD − LCD − V LCD V LCD ...

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... NXP Semiconductors 7.4.3 1:3 multiplex drive mode When three backplanes are provided in the LCD, the 1:3 multiplex drive mode applies as shown in Fig 8. PCA85132_1 Product data sheet Figure 8. V LCD 2V /3 LCD BP0 V /3 LCD LCD 2V /3 LCD BP1 V /3 LCD V SS ...

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... NXP Semiconductors 7.4.4 1:4 multiplex drive mode When four backplanes are provided in the LCD, the 1:4 multiplex drive mode applies as shown in BP0 BP1 BP2 BP3 Sn Sn+1 Sn+2 Sn+3 state 1 state 2 Fig 9. PCA85132_1 Product data sheet Figure 9. V LCD 2V /3 LCD V /3 LCD ...

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... NXP Semiconductors 7.5 Oscillator The internal logic and the LCD drive signals of the PCA85132 are timed by a frequency f which either is derived from the built-in oscillator frequency f clk f = clk or equals an external clock frequency clk Remark: A clock signal must always be supplied to the device; removing the clock may freeze the LCD state, which is not suitable for the liquid crystal ...

Page 16

... NXP Semiconductors 7.8 Segment outputs The LCD drive section includes 160 segment outputs (S0 to S159) which must be connected directly to the LCD. The segment output signals are generated in accordance with the multiplexed backplane signals and with data resident in the display register. When less than 160 segment outputs are required the unused segment outputs must be left open-circuit ...

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... NXP Semiconductors Fig 10. Display RAM bitmap When display data is transmitted to the PCA85132 the received display bytes are stored in the display RAM in accordance with the selected LCD drive mode. The data is stored as it arrives and does not wait for the acknowledge cycle as with the commands. Depending on the current multiplex drive mode, data is stored singularly, in pairs, triples, or quadruples ...

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LCD segments LCD backplanes S a n+2 BP0 n+3 n+1 static n+5 n n+6 BP0 1 ...

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... NXP Semiconductors 7.11 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 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 arriving data byte is stored at the display RAM address indicated by the data pointer ...

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... NXP Semiconductors The PCA85132 includes a RAM bank switching feature in the static and 1:2 multiplex drive modes. In the static drive mode, the bank-select command may request the contents of row selected for display instead of the contents of row 0. In the 1:2 multiplex mode, the contents of rows 2 and 3 may be selected instead of rows 0 and 1. This gives the provision for preparing display information in an alternative bank and to be able to switch to it once it is assembled ...

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... NXP Semiconductors By connecting pin SDAACK to pin SDA on the PCA85132, the SDA line becomes fully 2 I C-bus compatible. In COG applications where the track resistance from the SDAACK pin to the system SDA line can be significant, possibly a voltage divider is generated by the bus pull-up resistor and the Indium Tin Oxide (ITO) track resistance consequence it may be possible that the acknowledge generated by the PCA85132 can’ ...

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... NXP Semiconductors 7.16.2 System configuration A device generating a message is a transmitter; a device receiving a message is the receiver. The device that controls the message is the master and the devices which are controlled by the master are the slaves. The system configuration is shown in SDA SCL Fig 14. System configuration 7 ...

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... NXP Semiconductors 2 7.16.4 I C-bus controller The PCA85132 acts transmit data the acknowledge signals from the selected devices. Device selection depends on the 2 I C-bus slave address, on the transferred command data, and on the hardware subaddress. In single device applications, the hardware subaddress inputs A0 and A1 are normally tied to V which defines the hardware subaddress 0 ...

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... NXP Semiconductors R slave address control byte EXAMPLES a) transmit two bytes of RAM data transmit two command bytes transmit one command byte and two RAM date bytes Fig 16. I C-bus protocol After acknowledgement, a control byte follows which defines if the next byte is RAM or command information. The control byte also defines if the next byte is a control byte or further RAM or command data ...

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... NXP Semiconductors The acknowledgement after each byte is made only by the (A0 and A1) addressed PCA85132. After the last (display) byte, the I Alternatively a START may be asserted to RESTART an I 7.17 Command decoder The command decoder identifies command bytes that arrive on the I commands available to the PCA85132 are defined in Table 9 ...

Page 26

... NXP Semiconductors Table 12. Bit [1] Power-on and reset value. Table 13. Bit [1] Power-on and reset value. Table 14. Bit [1] The bank-select command has no effect in 1:3 and 1:4 multiplex drive modes. [2] Power-on and reset value. Table 15. Bit [1] Power-on and reset value. [2] Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected. ...

Page 27

... NXP Semiconductors Table 16. Bit [1] Nominal frame frequency calculated for an internal operating frequency of 1.800 kHz. [2] Power-on and reset value. 7.18 Display controller The display controller executes the commands identified by the command decoder. It contains the status registers of the PCA85132 and co-ordinates their effects. The controller is also responsible for loading display data into the display RAM as required by the filling order ...

Page 28

... NXP Semiconductors 8. Internal circuitry Fig 18. Device protection diagram PCA85132_1 Product data sheet V LCD S0 to S159, BP0 to BP3 SYNC, T1, T2, A0, A1, OSC, CLK, SA0 V SS All information provided in this document is subject to legal disclaimers. Rev. 01 — 6 May 2010 PCA85132 LCD driver for low multiplex rates ...

Page 29

... NXP Semiconductors 9. Limiting values CAUTION Static voltages across the liquid crystal display can build up when the LCD supply voltage (V LCD display artifacts. To avoid such artifacts, V Table 17. In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter LCD I DD(LCD tot ...

Page 30

... NXP Semiconductors 10. Static characteristics Table 18. Static characteristics Symbol Parameter Supplies V supply voltage DD V LCD supply voltage LCD I supply current DD I LCD supply current DD(LCD) Logic V input voltage I V HIGH-level input voltage IH V LOW-level input voltage IL V output voltage O V HIGH-level output voltage on pin SYNC, CLK ...

Page 31

... NXP Semiconductors Table 18. Static characteristics Symbol Parameter LCD outputs ΔV output voltage variation O R output resistance O [1] LCD outputs are open-circuit; inputs at V [2] External clock with 50 % duty factor. [3] For typical values, see Figure 19 [4] For typical values, see Figure 20 [5] Variation between any 2 backplanes on a given voltage level ...

Page 32

... NXP Semiconductors I DD(LCD) (μA) Fig 20. I PCA85132_1 Product data sheet °C; 1:4 multiplex; all RAM written with logic 1; no display connected; external clock with T amb f = 1.800 kHz 1.800 kHz. clk clk(ext) with respect to V DD(LCD) LCD All information provided in this document is subject to legal disclaimers. ...

Page 33

... NXP Semiconductors 11. Dynamic characteristics Table 19. Dynamic characteristics Symbol Parameter f clock frequency clk f external clock frequency clk(ext) t HIGH-level clock time clk(H) t LOW-level clock time clk(L) Δf frame frequency variation fr t SYNC propagation delay PD(SYNC_N) t SYNC LOW time SYNC_NL t driver propagation delay ...

Page 34

... NXP Semiconductors (Hz) Fig 21. Typical clock frequency (f (Hz) Fig 22. Frame frequency variation PCA85132_1 Product data sheet 1860 f clk 1820 1780 1740 1700 °C. T amb ) with respect to voltage clk 90 85.0 7.3 % 80.0 6.3 % 75.0 70.0 65.0 −60 −40 − ± 0.5 V; frame frequency prescaler = 011 typical. ...

Page 35

... NXP Semiconductors BP0 to BP3, and S0 to S159 Fig 23. Driver timing waveforms SDA SCL HD;STA clock cycle SDA t SU;STA SCL Sr 2 Fig 24. I C-bus timing waveforms when SDA and SDAACK are connected PCA85132_1 Product data sheet clk(H) CLK SYNC t PD(SYNC_N) t SYNC_NL t PD(drv ...

Page 36

... NXP Semiconductors 12. Application information 12.1 Pull-up resistor sizing on I 12.1.1 Max value of pull-up resistor The bus capacitance (C capacitance on pin SDA limits the maximum value of the pull-up resistor (R specified rise time. According to the I input threshold will be calculated with whereas t1 and t2 are the time since the charging started. The values for t1 and t2 are ...

Page 37

... NXP Semiconductors R PU(max) (kΩ) Fig 25. Values for R R PU(min) (kΩ) Fig 26. Values for R 12.2 SDA and SDAACK configuration The Serial DAta Line (SDA) and the I lines can be connected together to facilitate a single line SDA. Fig 27. SDA, SDAACK configurations PCA85132_1 Product data sheet ...

Page 38

... NXP Semiconductors 12.3 Cascaded operation In large display configurations PCA85132 can be distinguished on the same 2 I C-bus by using the 2-bit hardware subaddress (A0 and A1) and the programmable 2 I C-bus slave address (SA0). Table 20. Cluster 1 2 When cascaded PCA85132 are synchronized, they can share the backplane signals from one of the devices in the cascade ...

Page 39

... NXP Semiconductors Table 21. Number of devices the cascaded applications, the OSC pin of the PCA85132 with subaddress 0 is connected to V the CLK pin. The other PCA85132 devices are having the OSC pin connected to V meaning that these devices are ready to receive external clock, the signal being provided by the device with subaddress 0 ...

Page 40

... NXP Semiconductors V LCD V DD PROCESSOR/ CONTROLLER V SS (1) Is master (OSC connected to V (2) Is slave (OSC connected to V Fig 28. Cascaded configuration with two PCA85132 using the internal clock of the master PCA85132_1 Product data sheet SYNC t r ≤ SDA HOST MICRO- SCL SYNC ...

Page 41

... NXP Semiconductors V LCD V DD PROCESSOR/ CONTROLLER V SS (1) Is master (OSC connected to V (2) Is slave (OSC connected to V Fig 29. Cascaded configuration with one PCA85132 and one PCA85133 using the internal PCA85132_1 Product data sheet SYNC t r ≤ SDA HOST MICRO- SCL SYNC ...

Page 42

... NXP Semiconductors Fig 30. Synchronization of the cascade for the various PCA85132 drive modes PCA85132_1 Product data sheet = BP0 SYNC (a) static drive mode BP1 (1/2 bias) BP1 (1/3 bias) SYNC (b) 1:2 multiplex drive mode BP2 (1/3 bias) SYNC (c) 1:3 multiplex drive mode BP3 ...

Page 43

... NXP Semiconductors 13. Bare die outline Bare die; 197 bumps; 6.5 x 1.16 x 0.40 mm 166 C1 Marking code: PC85132/232-1 167 e Dimensions (1) (1) (1) Unit max 0.018 mm nom 0.40 0.015 0.380 0.0338 min 0.012 Note 1. Dimension not drawn to scale. Outline version IEC PCA85132U Fig 31. Bare die outline of PCA85132 ...

Page 44

... NXP Semiconductors Table 22. All x/y coordinates represent the position of the center of each bump with respect to the center (x the chip; see Symbol SDAACK SDAACK SDAACK SDA SDA SDA SCL SCL SCL CLK SYNC OSC SA0 LCD V LCD V LCD BP2 BP0 PCA85132_1 Product data sheet ...

Page 45

... NXP Semiconductors Table 22. All x/y coordinates represent the position of the center of each bump with respect to the center (x the chip; see Symbol S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 ...

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... NXP Semiconductors Table 22. All x/y coordinates represent the position of the center of each bump with respect to the center (x the chip; see Symbol S47 S48 S49 S50 S51 S52 S53 S54 S55 S56 S57 S58 S59 S60 S61 S62 S63 S64 S65 S66 ...

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... NXP Semiconductors Fig 32. Alignment marks Table 25. Type number PCA85132U/2DA/Q1 PCA85132U/2DB/Q1 [1] Pressure of diamond head PCA85132_1 Product data sheet REF S1 Gold bump hardness Min 60 35 All information provided in this document is subject to legal disclaimers. Rev. 01 — 6 May 2010 PCA85132 LCD driver for low multiplex rates ...

Page 48

... NXP Semiconductors 14. Packing information Table 26. Symbol Fig 33. Tray details PCA85132_1 Product data sheet Tray dimensions (see Figure 33) Description pocket pitch in x direction pocket pitch in y direction pocket width in x direction pocket width in y direction tray width in x direction tray width in y direction ...

Page 49

... NXP Semiconductors Fig 34. Tray alignment 15. Abbreviations Table 27. Acronym AEC CMOS COG DC HBM ITO LCD LSB MM MSB POR RC RAM RMS SCL SDA PCA85132_1 Product data sheet Abbreviations Description Automotive Electronics Council Complementary Metal-Oxide Semiconductor Chip-On-Glass Direct Current Human Body Model Inter-Integrated Circuit ...

Page 50

... NXP Semiconductors 16. References [1] AN10170 — Design guidelines for COG modules with NXP monochrome LCD drivers [2] AN10706 — Handling bare die [3] IEC 60134 — Rating systems for electronic tubes and valves and analogous semiconductor devices [4] IEC 61340-5 — Protection of electronic devices from electrostatic phenomena [5] JESD22-A114 — ...

Page 51

... In no event shall NXP Semiconductors be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or ...

Page 52

... If there are data sheet limits not guaranteed, these will be separately indicated in the data sheet. There are no post-packing tests performed on individual die or wafers. NXP Semiconductors has no control of third party procedures in the sawing, handling, packing or assembly of the die. Accordingly, NXP Semiconductors assumes no liability for device functionality or performance of the die or 19 ...

Page 53

... NXP Semiconductors 20. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1 3 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 4 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 Pinning information . . . . . . . . . . . . . . . . . . . . . . 4 6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5 7 Functional description . . . . . . . . . . . . . . . . . . . 6 7.1 Power-On Reset (POR 7.2 LCD bias generator . . . . . . . . . . . . . . . . . . . . . 7 7.3 LCD voltage selector . . . . . . . . . . . . . . . . . . . . 8 7.4 LCD drive mode waveforms ...

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