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Cypress Introduces New PSoC(R) CapSense Methods Extending Leadership Position in Capacitive Sensing.


New "Sigma-Delta" and "Successive Approximation" Algorithms Offer Designers the Industry's Most Robust Sensing Methods

SAN JOSE, Calif. -- Cypress Semiconductor Corp. (NYSE NYSE

See: New York Stock Exchange
:CY) today introduced two new sensing methods for its PSoC([R]) CapSense capacitive sensing solution offering designers best-in-class performance. The new methods are provided in the PSoC Designer[TM] integrated development environment See IDE.

integrated development environment - interactive development environment
 as user modules - CapSense Sigma-Delta Modulator Modulator

Any device or circuit by means of which a desired signal is impressed upon a higher-frequency periodic wave known as a carrier. The process is called modulation. The modulator may vary the amplitude, frequency, or phase of the carrier.
 (CSD CSD Commission on Sustainable Development
CSD Serbian Dinar (ISO currency code)
CSD Christopher Street Day
CSD Circuit Switched Data (Sprint)
CSD Computer Science Department
CSD Community School District
) and CapSense Successive Approximation (CSA (1) (Canadian Standards Association, Toronto, Ontario, www.csa.ca) A standards-defining organization founded in 1919. It is involved in many industries, including electronics, communications and information technology. ).

The CSD User Module delivers the ability for buttons, sliders sliders

a species of tortoise kept as pets. They have a black shell and a red stripe behind the eye. Called also Chrysemys scripta elegans, red-eared sliders.
, touchpads and touch screens to operate flawlessly in wet conditions, and offers superb temperature response, positioning it for excellent performance in white goods and other moisture-sensitive systems. High-level decision logic provides compensation for environmental factors, such as temperature, humidity, and power supply voltage change. A separate shield electrode can be used to reduce stray capacitance, providing more reliable operation in the presence of a water film or droplets.

The CSA User Module offers significant improvements in performance, by delivering 45 times better interference immunity and 60 percent lower power consumption, making it ideal for portable consumer applications. It supports a combination of buttons, sliders, touchpads and touch screens in union with high-level software routines that compensate for environmental and physical sensor variations.

"Cypress's initial CapSense Relaxation Oscillator (CSR (1) (Customer Service Representative) A person who handles a customer's request regarding a bill, account changes or service or merchandise ordered. Agents in call centers are known as CSRs. See call center. ) User Module offered excellent performance across a broad range of applications, and was one of the reasons for the phenomenal success of CapSense," said Carl Brasek, business unit director for Cypress's CapSense products. "These new user modules provide sensing methods to overcome harsh environmental conditions, enabling an even wider range of applications to use capacitive sensing."

Price and Availability

The CSA user module is available in the CY8C20x34 device family and as part of the CY3203A-CapSense Development Kit. The CSD user module is available in the CY8C21x34 and CY8C24x94 device families and as part of the CY3213A-CapSense Development Kit. Both kits are priced at USD USD

In currencies, this is the abbreviation for the U.S. Dollar.

Notes:
The currency market, also known as the Foreign Exchange market, is the largest financial market in the world, with a daily average volume of over US $1 trillion.
$89, and are available from the Online Store at www.cypress.com.

About CapSense

A single CapSense device can replace dozens of mechanical switches and controls with a simple, touch-sensitive interface. CapSense-based "button" and "slider" controls are more reliable than their mechanical counterparts because they are not prone to the environmental wear-and-tear that affects exposed buttons and switches. Cypress has garnered well over 100 CapSense design wins worldwide in applications that include mobile handsets, portable media players, white goods, computers, printers and automotive, among others.

Capacitive sensing is fast becoming the solution of choice for front-panel display and media control applications. Increased durability, decreased bill of materials The list of components that make up a system. For example, a bill of materials for a house would include the cement block, lumber, shingles, doors, windows, plumbing, electric, heating and so on.  (BOM) and a clean, minimalist appearance make this elegant interface attractive to a wide range of designs. With Cypress's CapSense interface, a finger on the interface forms an electrical connection with embedded sensors, which work with the PSoC device to translate data about the finger's presence into various system control functions. The sensor itself is only a copper pad on the PCB PCB: see polychlorinated biphenyl.
PCB
 in full polychlorinated biphenyl

Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.
, not an actual component. All of the circuitry for controlling the sensor is inside the PSoC device.

Cypress's CapSense solution offers system designers numerous advantages over capacitive sensing products built around modules and sub-assemblies, including increased flexibility, reduced board space and lower cost. Because of the unique PSoC architecture, designers can easily integrate multiple functions (e.g., LED drivers and LCD displays), in addition to capacitive sensing. The PSoC CapSense solution also delivers benefits such as easy communications using either I2C I2C Inter-Integrated Circuit
I2C Intelligent Interface Controller
I2C Intelligent Controller
, SPI (1) (Stateful Packet Inspection) See stateful inspection.

(2) (Service Provider Interface) The programming interface for developing Windows drivers under WOSA.
 or USB USB
 in full Universal Serial Bus

Type of serial bus that allows peripheral devices (disks, modems, printers, digitizers, data gloves, etc.) to be easily connected to a computer.
 interfaces, the ability to implement both trackpad (x-y matrix) and linear slider applications with the same device, and the ability to make quick design changes using the flash-based PSoC architecture. Learn more about CapSense online at www.cypress.com/capsense.

About the PSoC Family

PSoC devices are configurable mixed signal arrays that integrate a fast 8-bit microcontroller with many peripheral functions typically found in an embedded design. PSoC devices provide the advantages of an ASIC (Application Specific Integrated Circuit) Pronounced "a-sick." A chip that is custom designed for a specific application rather than a general-purpose chip such as a microprocessor.  without the ASIC NRE (Non-Recurring Engineering) Refers to the cost of creating a new product, which is paid up front. Contrast with "production cost," which is ongoing and based on the quantity of material produced.  or turn-around time. A single PSoC device can integrate as many as 100 peripheral functions with a microcontroller, saving customers design time, board space and power consumption. Customers can save from 5 cents to as much as $10 in system costs. Easy to use development tools enable designers to select configurable library elements to provide analog functions such as amplifiers, ADCs, DACs, filters and comparators and digital functions such as timers, counters, PWMs, SPI and UARTs. The PSoC family's analog features include rail-to-rail inputs, programmable gain amplifiers and up to 14-bit ADCs with exceptionally low noise, input leakage and voltage offset. PSoC devices include up to 32KB of Flash memory, 2KB of SRAM See static RAM.

SRAM - static random-access memory
, an 8x8 multiplier with 32-bit accumulator, power and sleep monitoring circuits, and hardware I2C communications.

All PSoC devices are dynamically reconfigurable, enabling designers to create new system functions on-the-fly. Designers can achieve far greater than 100 percent utilization of the die, in many cases, by reconfiguring the same silicon for different functions at different times. Learn more about PSoC products at www.cypress.com/psoc and receive free online training at www.cypress.com/psoctraining including a NetSeminar titled "Innovations in Capacitive Interfaces" explaining the details of CSA and CSD.

About Cypress

Cypress delivers high-performance, mixed-signal, programmable solutions that provide customers with rapid time-to-market and exceptional system value. Cypress offerings include the PSoC[R] Programmable System-on-Chip[TM], USB controllers, general-purpose programmable clocks and memories. Cypress also offers wired and wireless connectivity solutions ranging from its WirelessUSB[TM] radio system-on-chip, to West Bridge[TM] and EZ-USB[R] FX2LP controllers that enhance connectivity and performance in multimedia handsets. Cypress serves numerous markets including consumer, computation, data communications, automotive, industrial, and solar power. Cypress trades on the NYSE under the ticker symbol Ticker Symbol

An arrangement of characters (usually letters) representing a particular security listed on an exchange or otherwise traded publicly. When a company issues securities to the public marketplace, it selects an available ticker symbol for its securities which investors
 CY. Visit Cypress online at www.cypress.com.

Cypress, the Cypress logo and PSoC are registered trademarks and PSoC Designer is a trademark of Cypress Semiconductor Corp. All other trademarks are property of their owners.
COPYRIGHT 2007 Business Wire
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2007, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Date:Mar 30, 2007
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