PCF8566P Philips Semiconductors, PCF8566P Datasheet
PCF8566P
Available stocks
Related parts for PCF8566P
PCF8566P Summary of contents
Page 1
DATA SHEET PCF8566 Universal LCD driver for low multiplex rates Product specification Supersedes data of 1997 Apr 02 File under Integrated Circuits, IC12 INTEGRATED CIRCUITS 1998 May 04 ...
Page 2
... Philips Semiconductors Universal LCD driver for low multiplex rates CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 BLOCK DIAGRAM 5 PINNING 6 FUNCTIONAL DESCRIPTION 6.1 Power-on reset 6.2 LCD bias generator 6.3 LCD voltage selector 6.4 LCD drive mode waveforms 6.5 Oscillator 6.6 Internal clock 6.7 External clock 6.8 Timing 6.9 Display latch 6.10 Shift register 6 ...
Page 3
... Space-saving 40 lead plastic very small outline package (VSO40; SOT158-1) No external components required (even in multiple device applications) Manufactured in silicon gate CMOS process. 3 ORDERING INFORMATION TYPE NUMBER NAME PCF8566P DIP40 plastic dual in-line package; 40 leads (600 mil) PCF8566T VSO40 plastic very small outline package; 40 leads 1998 May ...
Page 4
Acrobat reader. white to force landscape pages to be ... LCD BIAS GENERATOR 12 V LCD 4 CLK ...
Page 5
... Philips Semiconductors Universal LCD driver for low multiplex rates 5 PINNING SYMBOL PIN DESCRIPTION 2 SDA 1 I C-bus data input/output 2 SCL 2 I C-bus clock input/output SYNC 3 cascade synchronization input/output CLK 4 external clock input/output V 5 positive supply voltage DD OSC 6 oscillator input C-bus subaddress inputs ...
Page 6
... Philips Semiconductors Universal LCD driver for low multiplex rates 6 FUNCTIONAL DESCRIPTION The PCF8566 is a versatile peripheral device designed to interface any microprocessor to a wide variety of LCDs. It can directly drive any static or multiplexed LCD containing backplanes and segments. The display configurations possible with the PCF8566 depend on the number of active backplane outputs required ...
Page 7
... Philips Semiconductors Universal LCD driver for low multiplex rates 6.1 Power-on reset At power-on the PCF8566 resets to a defined starting condition as follows: 1. All backplane outputs are set All segment outputs are set The drive mode ‘ multiplex with 4. Blinking is switched off 5 ...
Page 8
... Philips Semiconductors Universal LCD driver for low multiplex rates 6.4 LCD drive mode waveforms 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.4. When two backplanes are provided in the LCD the multiplex drive mode applies. The PCF8566 allows use of ...
Page 9
... Philips Semiconductors Universal LCD driver for low multiplex rates handbook, full pagewidth V DD BP0 ( LCD V DD BP1 ( LCD LCD LCD state state Fig.5 Waveforms for multiplex drive mode with ...
Page 10
... Philips Semiconductors Universal LCD driver for low multiplex rates handbook, full pagewidth BP0 LCD BP1 LCD LCD LCD state ...
Page 11
... Philips Semiconductors Universal LCD driver for low multiplex rates handbook, full pagewidth BP0 LCD BP1 LCD BP2 LCD ...
Page 12
... Philips Semiconductors Universal LCD driver for low multiplex rates handbook, full pagewidth BP0 LCD BP1 LCD BP2 LCD BP3 V DD ...
Page 13
... Philips Semiconductors Universal LCD driver for low multiplex rates 6.5 Oscillator The internal logic and the LCD drive signals of the PCF8566 or PCF8576 are timed either by the built-in oscillator or from an external clock. The clock frequency (f ) determines the LCD frame CLK frequency and the maximum rate for data reception from ...
Page 14
... Philips Semiconductors Universal LCD driver for low multiplex rates There is a one-to-one correspondence between the RAM addresses and the segment outputs, and between the individual bits of a RAM word and the backplane outputs. The first RAM column corresponds to the 24 segments operated with respect to backplane BP0 (see Fig ...
Page 15
Acrobat reader. white to force landscape pages to be ... drive mode LCD segments LCD backplanes BP0 f S ...
Page 16
... Philips Semiconductors Universal LCD driver for low multiplex rates 6.16 Output bank selector This selects one of the four bits per display RAM address for transfer to the display latch. The actual bit chosen depends on the particular LCD drive mode in operation and on the instant in the multiplex sequence ...
Page 17
... Philips Semiconductors Universal LCD driver for low multiplex rates C-BUS DESCRIPTION 2 The I C-bus is for 2-way, 2-line communication between different ICs or modules. The two lines are a serial data line (SDA) and a serial clock line (SCL). Both lines must be connected to a positive supply via a pull-up resistor when connected to the output stages of a device ...
Page 18
... Philips Semiconductors Universal LCD driver for low multiplex rates SDA SCL START condition SDA SCL MASTER TRANSMITTER / RECEIVER START handbook, full pagewidth condition SCL FROM MASTER DATA OUTPUT BY TRANSMITTER DATA OUTPUT BY RECEIVER 1998 May 04 S Fig.12 Definition of START and STOP conditions. ...
Page 19
... Philips Semiconductors Universal LCD driver for low multiplex rates 2 7.5 PCF8566 I C-bus controller 2 The PCF8566 acts C-bus slave receiver. It does 2 not initiate I C-bus transfers or transmit data master receiver. The only data output from the PCF8566 are the acknowledge signals of the selected devices. ...
Page 20
... Philips Semiconductors Universal LCD driver for low multiplex rates handbook, full pagewidth slave address 1998 May 04 acknowledge by all addressed PCF8566s COMMAND 0 1 byte m 1 byte(s) 2 Fig.15 I C-bus protocol last command 1 = commands continue MSB C REST OF OPCODE Fig ...
Page 21
... Philips Semiconductors Universal LCD driver for low multiplex rates Table 5 Definition of PCF8566 commands COMMAND/OPCODE Mode set Load data pointer Device select Bank select Blink Table 6 LCD drive mode ...
Page 22
... Philips Semiconductors Universal LCD driver for low multiplex rates Table 7 LCD bias configuration LCD BIAS 1 bias 3 1 bias 2 Table 8 Display status DISPLAY STATUS Disabled (blank) Enabled Table 9 Power dissipation mode MODE Normal mode Power-saving mode Table 10 Load data pointer BITS ...
Page 23
... Philips Semiconductors Universal LCD driver for low multiplex rates handbook, full pagewidth V LCD rise bus HOST MICRO- PROCESSOR/ MICRO- CONTROLLER V SS 1998 May LCD 5 12 SDA 1 SCL SYNC PCF8566 3 CLK OSC ...
Page 24
... Philips Semiconductors Universal LCD driver for low multiplex rates handbook, full pagewidth BP0 SYNC BP1 (1/2 bias) BP1 (1/3 bias) SYNC BP2 SYNC BP3 SYNC Fig.18 Synchronization of the cascade for the various PCF8566 drive modes. For single plane wiring of PCF8566s, see Chapter “Application information”. ...
Page 25
... Philips Semiconductors Universal LCD driver for low multiplex rates 8 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL V supply voltage DD V LCD supply voltage LCD V input voltage (SCL, SDA A2, OSC, CLK, SYNC and SA0 output voltage (S0 to S23 and BP0 to BP3) ...
Page 26
... Philips Semiconductors Universal LCD driver for low multiplex rates 10 DC CHARACTERISTICS 2 LCD SYMBOL PARAMETER Supplies V operating supply voltage DD V LCD supply voltage LCD I operating supply current DD (normal mode) I power saving mode supply current LP Logic V LOW level input voltage ...
Page 27
... Philips Semiconductors Universal LCD driver for low multiplex rates 11 AC CHARACTERISTICS 2 LCD SYMBOL PARAMETER f oscillator frequency (normal mode) CLK f oscillator frequency (power saving CLKLP mode) t CLK HIGH time CLKH t CLK LOW time CLKL t SYNC propagation delay ...
Page 28
... Philips Semiconductors Universal LCD driver for low multiplex rates handbook, full pagewidth CLK SYNC BP0 to BP3 S0 to S23 handbook, full pagewidth SDA t BUF SCL SDA MGA728 1998 May CLK t CLKH t CLKL t PSYNC t SYNCL t PLCD Fig.20 Driver timing waveforms. t LOW t t HD;DAT ...
Page 29
... Philips Semiconductors Universal LCD driver for low multiplex rates 40 handbook, halfpage Normal mode; V external clock = 200 kHz. 6 handbook, halfpage Backplane output impedance BP0 to BP3 ( amb 1998 May 04 MGG397 ...
Page 30
Acrobat reader. white to force landscape pages to be ... handbook, full pagewidth SDA 1 SCL 2 SYNC 3 CLK ...
Page 31
... Philips Semiconductors Universal LCD driver for low multiplex rates 13 CHIP DIMENSIONS AND BONDING PAD LOCATIONS handbook, full pagewidth S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 (1) Typical value. Pad size: 120 120 m Chip area: 7.27 mm. The numbers given in the small squares refer to the pad numbers. ...
Page 32
... Philips Semiconductors Universal LCD driver for low multiplex rates Table 16 Bonding pad locations (dimensions in mm) All x/y coordinates are referenced to centre of chip, (see Fig.25). PAD NUMBER SYMBOL ...
Page 33
... Philips Semiconductors Universal LCD driver for low multiplex rates 14 PACKAGE OUTLINES DIP40: plastic dual in-line package; 40 leads (600 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT max. min. max. mm 4.7 0.51 4.0 inches 0.19 0.020 0.16 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. ...
Page 34
... Philips Semiconductors Universal LCD driver for low multiplex rates VSO40: plastic very small outline package; 40 leads pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. 0.3 2.45 mm 2.70 0.25 0.1 2.25 0.012 0.096 inches 0.11 0.010 0.004 0.089 Notes 1 ...
Page 35
... Philips Semiconductors Universal LCD driver for low multiplex rates 15 SOLDERING 15.1 Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities ...
Page 36
... Philips Semiconductors Universal LCD driver for low multiplex rates 16 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. ...
Page 37
... Philips Semiconductors Universal LCD driver for low multiplex rates 1998 May 04 NOTES 37 Product specification PCF8566 ...
Page 38
... Philips Semiconductors Universal LCD driver for low multiplex rates 1998 May 04 NOTES 38 Product specification PCF8566 ...
Page 39
... Philips Semiconductors Universal LCD driver for low multiplex rates 1998 May 04 NOTES 39 Product specification PCF8566 ...
Page 40
... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2865, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...