PCF8576C

INTEGRATED CIRCUITS DATA SHEET PCF8576C Universal LCD driver for low multiplex rates Product specification Supersedes data of 1997 Nov 14 File under Integrated Circuits, IC12 1998 Jul 30 Philips Semiconductors Product specification Universal LCD driver for low multiplex rates CONTENTS 1 2 3 4 5 6 6.1 6.2 6.3 6.4 6.4.1 6.4.2 6.4.3 6.4.4 6.5 6.5.1 6.5.2 6.6 6.7 6.8 6.9 6.10 6.11 6.12 6.13 6.14 6.15 6.16 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 FEATURES GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Power-on reset LCD bias generator LCD voltage selector LCD drive mode waveforms Static drive mode 1 : 2 multiplex drive mode 1 : 3 multiplex drive mode 1 : 4 multiplex drive mode Oscillator Internal clock External clock Timing Display latch Shift register Segment outputs Backplane outputs Display RAM Data pointer Subaddress counter Output bank selector Input bank selector Blinker CHARACTERISTICS OF THE I2C-BUS Bit transfer (see Fig.12) Start and stop conditions (see Fig.13) System configuration (see Fig.14) Acknowledge (see Fig.15) PCF8576C I2C-bus controller Input filters I2C-bus protocol Command decoder Display controller Cascaded operation 8 9 10 11 11.1 11.2 12 12.1 13 14 15 15.1 15.2 15.3 15.3.1 15.3.2 15.3.3 15.4 16 17 18 LIMITING VALUES HANDLING DC CHARACTERISTICS AC CHARACTERISTICS PCF8576C Typical supply current characteristics Typical characteristics of LC D outputs APPLICATION INFORMATION Chip-on-glass cascadability in single p...