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

Cypress Semiconductor

CY8C9520A Datasheet Preview — Preview of CY8C9520A PDF

Datasheet Details

Part number	CY8C9520A
Manufacturer	Cypress Semiconductor
File Size	430.38 KB
Description	20 - 40 and 60 Bit I/O Expander
Datasheet	CY8C9520A_CypressSemiconductor.pdf

CY8C9520A 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. 17h) 12 Port Select Register (18h) 12 Interrupt Mask Port Register (19h) 12 Select PWM Register (1Ah) 12 Inversion Register (1Bh) 12 Port Direction Register (1Ch) 12 Drive Mode Regi

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.

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Published: Mar 30, 2011 |