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CY8C20180

Cypress Semiconductor
Part Number CY8C20180
Manufacturer Cypress Semiconductor
Description Configurable IOs
Published Jul 31, 2009
Detailed Description www.DataSheet4U.com CY8C20180 CapSense Express™ -8 Configurable IOs Features ■ Overview The CapSense ExpressTM contr...
Datasheet PDF File CY8C20180 PDF File

CY8C20180
CY8C20180

Overview
www.
DataSheet4U.
com CY8C20180 CapSense Express™ -8 Configurable IOs Features ■ Overview The CapSense ExpressTM controller allows the control of 8 IOs configurable as capacitive sensing buttons or as GPIOs for driving LEDs or interrupt signals based on various button conditions.
The GPIOs are also configurable for waking up the device from sleep based on an interrupt input.
The user has the ability to configure buttons, outputs, and parameters through specific commands sent to the I2C port.
The IOs have the flexibility in mapping to capacitive buttons and as standard GPIO functions such as interrupt output or input, LED drive and digital mapping of input to output using simple logical operations.
This enables easy PCB trace routing and reduces the PCB size and stack up.
CapSense Express products are designed for easy integration into complex products.
8 configurable IOs supporting ❐ CapSense buttons ❐ LED Drive ❐ Interrupt outputs ❐ WAKE on interrupt input ❐ User defined input or output 2.
4V to 5.
25V operating voltage Industrial temperature range: –40°C to +85°C I2C slave interface for configuration ❐ Selectable to 50 kHz,100 kHz and 400 kHz Reduce BOM cost ❐ Internal oscillator - no external oscillators or crystal ❐ Free development tool - no external tuning components Low operating current ❐ Active current: continuous sensor scan:1.
5 mA ❐ Sleep current: no scan, continuous sleep: 2.
6 uA Available in 16-pin COL and 16-pin SOIC packages ■ ■ ■ ■ Architecture The logic block diagram illustrates the internal architecture of CY8C20180.
The user can configure registers with parameters needed to adjust the operation and sensitivity of the CapSense system.
CY8C20180 supports a standard I2C serial communications interface that allows the host to configure the device and to read sensor information in real time through easy register access.
■ ■ The CapSense Express Core The CapSense Express Core has a powerful configuration and control block.
It encompasses SRAM for...


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