CY8C9540A - 20 - 40 and 60 Bit I/O Expander

This page provides the datasheet information for the CY8C9540A, a member of the CY8C9520A 20 - 40 and 60 Bit I/O Expander family.

Product Overview

Cypress Semiconductor

📥 Download Datasheet

Datasheet Details

Part number	CY8C9540A
Manufacturer	Cypress Semiconductor
File Size	430.38 KB
Description	20 - 40 and 60 Bit I/O Expander
Datasheet	CY8C9540A Datasheet
Additional preview pages of the CY8C9540A datasheet.

CY8C9540A Product details

Description

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.

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 addressing algorithm allowing flexible I2C address configuration.
Internal 3-/11-/27-Kbyte EEPROM.
User default storage, I/O port settings in internal EEPROM.
Optional EEPROM write disabl.

📁 Similar Datasheet

CY8C4014LQA-422 - 4000 Automotive MCU (Infineon)
CY8C4014LQA-422Z - 4000 Automotive MCU (Infineon)
CY8C4014LQE-422Z - 4000 Automotive MCU (Infineon)
CY8C4014LQS-422 - 4000 Automotive MCU (Infineon)
CY8C4014LQS-422Z - 4000 Automotive MCU (Infineon)
CY8C4014SXA-421Z - 4000 Automotive MCU (Infineon)
CY8C4014SXE-421Z - 4000 Automotive MCU (Infineon)
CY8C4014SXS-421Z - 4000 Automotive MCU (Infineon)
CY8C4024AXI-S402 - 4000S MCU (Infineon)
CY8C4024AXI-S412 - 4000S MCU (Infineon)

Other Datasheets by Cypress Semiconductor

CY8C9540 - (CY8C9520 - CY8C9560) I/O Expander
CY8C9520 - (CY8C9520 - CY8C9560) I/O Expander
CY8C9520A - 20 - 40 and 60 Bit I/O Expander
CY8C9560 - (CY8C9520 - CY8C9560) I/O Expander
CY8C9560A - 20 - 40 and 60 Bit I/O Expander
CY8C20046 - CapSense Applications
CY8C20066 - CapSense Applications
CY8C20110 - Configurable GPIOs

Published: Mar 30, 2011 |