CY8C9520A Datasheet (Cypress Semiconductor) - 20

CY8C9520A, 20 - 40 and 60 Bit I/O Expander

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 Table 11 Register Descriptions 11 Input Port Registers (00h *07h) 11 Output Port Registers (08h *0Fh) 11 Int.

Status Port Registers

CY8C9520A 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