PCF8575 Datasheet | NXP Semiconductors

INTEGRATED CIRCUITS DATA SHEET PCF8575 Remote 16-bit I/O expander for I2C-bus Product specification Supersedes data of 1999 Feb 25 File under Integrated Circuits, IC12 1999 Apr 07 Philips Semiconductors Product specification Remote 16-bit I/O expander for I2C-bus CONTENTS 1 2 3 4 5 6 6.1 6.2 6.3 6.4 7 7.1 7.2 7.3 7.4 7.5 8 9 10 11 12 13 14 14.1 14.2 14.3 14.4 14.5 15 16 17 Features GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING CHARACTERISTICS OF THE I2C-BUS Bit transfer START and STOP conditions System configuration Acknowledge FUNCTIONAL DESCRIPTION Quasi-bidirectional I/Os Addressing Reading from a port (input mode) Writing to the port (output mode) Interrupt LIMITING...