pcf8558 NXP Semiconductors, pcf8558 Datasheet
pcf8558
Related parts for pcf8558
pcf8558 Summary of contents
Page 1
... DATA SHEET PCF8558 Universal LCD driver for small graphic panels Objective specification Supersedes data of 1997 Feb 27 File under Integrated Circuits, IC12 INTEGRATED CIRCUITS 1998 Apr 07 ...
Page 2
... For further details see Chapter “Bonding pad locations”. 1998 Apr 07 GENERAL DESCRIPTION The PCF8558 is a low power CMOS LCD controller driver, designed to drive a graphic display of 40 rows and 101 columns. All necessary functions for the display are provided in a single chip, including on-chip generation of LCD bias voltages, resulting in a minimum of external components and lower power consumption ...
Page 3
... CURSOR AND DATA CONTROL DISPLAY DATA RAM 505 BYTES ADDRESS COUNTER DATA REGISTER PCF8558 I/O BUFFER SDA SCL SA0 Fig.1 Block diagram. 3 Objective specification PCF8558 R1 to R40 ROW DRIVERS SHIFT REGISTER OSCILLATOR OSC TIMING GENERATOR DISPLAY ADDRESS COUNTER POWER-ON RESET MGG558 ...
Page 4
... V signal, if used, is input at this pin V 151 positive supply voltage DD 1998 Apr 07 2 C-bus slave address input is set by connecting this pin to either ) Objective specification DESCRIPTION (not user accessible) SS (not user accessible PCF8558 ; an external clock ...
Page 5
... OSC. Registers The PCF8558 has one 8-bit register, time shared as a Command Register (CR) and a Data Register (DR). The command register stores the command code such as display on or display off and address information for the 1998 Apr 07 Display Data RAM (DDRAM) ...
Page 6
... Philips Semiconductors Universal LCD driver for small graphic panels bank 0 bank 1 bank 2 bank 3 bank 4 1998 Apr 07 RAM LCD MGG559 Fig.2 DDRAM to display mapping. 6 Objective specification PCF8558 top of LCD ...
Page 7
... (t) (t) (t) (t) ( state1 state2 Fig.3 Typical LCD driver waveforms (MUX rate 1 : 40). 1998 Apr 07 frame n ... ( Objective specification V state 1 (t) frame state 2 (t) MGG560 ... 40 PCF8558 ...
Page 8
... ADDRESSING The data is downloaded into the matrix of the PCF8558 as indicated in Figs 4 and 5. The display RAM has a matrix 101 bits (5 by 101 bytes). The columns are addressed by the address pointer. After writing one byte the pointer is set to the next byte. Control of address increment, horizontal or vertical bit V in the command byte ...
Page 9
... Universal LCD driver for small graphic panels 2 I C-BUS PROTOCOL Two 7-bit slave addresses (0111100 and 0111101) are reserved for both the PCF8558. The least-significant bit of the slave address is set by connecting input SA0 to either Therefore, two PCF8558 can be SS ...
Page 10
... Y0 LINE DB5 DB4 DB3 DB2 DB1 address 10 Objective specification 2 C bus. ), the oscillator starts after power-on. DD DB0 DESCRIPTION address vector, display control set column address PCF8558 ...
Page 11
... In this event the transmitter must leave the data line HIGH to enable the master to generate a stop condition. data line change stable; of data data valid allowed Fig.7 Bit transfer. 11 Objective specification PCF8558 MBC621 ...
Page 12
... SDA SCL START condition MASTER TRANSMITTER/ RECEIVER SDA SCL 1998 Apr 07 S Fig.8 Definition of START and STOP condition. SLAVE SLAVE TRANSMITTER/ RECEIVER RECEIVER Fig.9 System configuration. 12 Objective specification PCF8558 SDA SCL P STOP condition MBC622 MASTER MASTER TRANSMITTER/ TRANSMITTER RECEIVER MGA807 ...
Page 13
... Fig.10 Acknowledgment on the I PARAMETER current LCD 13 Objective specification not acknowledge acknowledge clock pulse for acknowledgement 2 C-bus. MIN. MAX. 0 0 0.5 LCD DD 10 +10 10 +10 50 +50 400 100 65 +150 PCF8558 MBC602 UNIT ...
Page 14
... outputs LCD input current may flow. This current must SS PCF8558 MAX. UNIT 6 3 180 A 200 A 100 A 1 ...
Page 15
... SW C capacitive load per bus line b Notes 1. The rise and fall times specified here refer to the driver device (i.e. not PCF8558) and are part of the general fast 2 I C-bus specification. However, when PCF8558 asserts an acknowledge on SDA, the fall time is given by parameter capacitive load per bus line ...
Page 16
... Philips Semiconductors Universal LCD driver for small graphic panels ndbook, full pagewidth SDA t BUF SCL SDA MGA728 1998 Apr 07 t LOW t HD;STA t HD;DAT SU;STA 2 Fig.12 I C-bus timing waveforms. 16 Objective specification PCF8558 SU;DAT t HIGH t SU;STO ...
Page 17
... Philips Semiconductors Universal LCD driver for small graphic panels APPLICATION INFORMATION The pinning of the PCF8558 is optimized for single plane wiring e.g. for Chip-on-glass display modules handbook, full pagewidth SCL SDA MASTER TRANSMITTER PCF84C81A; P80CL410 1998 Apr SA0 OSC ...
Page 18
... Universal LCD driver for small graphic panels handbook, halfpage DISPLAY 40 20 101 PCF8558 8 supply, I/O Fig.14 Application, display size 40 CHIP INFORMATION The PCF8558 is manufactured in p-well CMOS technology positive. The chip substrate is DD LCD connected Bonding pads Pad pitch Pad size, aluminium ...
Page 19
... Philips Semiconductors Universal LCD driver for small graphic panels BONDING PAD LOCATIONS handbook, full pagewidth dummy 1 ~ 8.95 mm dummy LCD 1998 Apr 07 R33 R40 PCF8558 T2 SDA T1 SA0 OSC ~ 3.99 mm Fig.16 Bonding pad locations. 19 Objective specification PCF8558 C18 y C95 MGG568 ...
Page 20
... C48 3203.6 1823.5 C47 3103.6 1823.5 C46 3003.6 1823.5 C45 2903.6 1823.5 C44 2803.6 1823.5 C43 2703.6 1823.5 C42 2603.6 1823.5 C41 20 Objective specification PCF8558 PAD 2503.6 1823.5 43 2403.6 1823.5 44 2303.6 1823.5 45 2203.6 1823.5 46 2103.6 1823.5 47 2003.6 1823.5 48 1814.6 1823 ...
Page 21
... Alignment marks 4303.6 183 Sign C 4303.6 5.8 Sign C 4303.6 105.8 Sign F 4303.6 483 4303.6 583 4303.6 683 4303.6 783 21 Objective specification PCF8558 PAD x y 127 4303.6 883 128 4303.6 983 129 4303.6 1083 130 4303.6 1183 131 4303.6 1283 132 4303.6 ...
Page 22
... I Philips. This specification can be ordered using the code 9398 393 40011. 1998 Apr components conveys a license under the Philips’ system provided the system conforms to the I 22 Objective specification PCF8558 2 C patent to use the 2 C specification defined by ...
Page 23
... Philips Semiconductors Universal LCD driver for small graphic panels 1998 Apr 07 NOTES 23 Objective specification PCF8558 ...
Page 24
Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 160 1010, ...