Description
CY8C9520A CY8C9540A CY8C9560A 20-, 40-, and 60-Bit I/O Expander with EEPROM .
9 Extendable Soft Addressing 9 Interrupt Pin (INT) 9 Write Disable Pin (WD) 9 External Reset Pin (XRES) 9 Working with PWMs 9
Register Mapping.
Features
* I2C interface logic electrically compatible with SMBus
* Up to 20 (CY8C9520A), 40 (CY8C9540A), or 60 (CY8C9560A) I/O data pins independently configurable as inputs, outputs, Bi-directional input/outputs, or PWM outputs
* 4/8/16 PWM sources with 8-bit resolution
* Extendable soft ad