Product category:
Programmable Logic Devices
News Release from: Cypress Semiconductor | Subject: CY8C27x
Edited by the Electronicstalk Editorial
Team on 16 September 2003
Programmable SoCs embed high-quality
analogue
Cypress MicroSystems has begun production shipments of an advanced analogue family of its award winning PSoC mixed-signal array.
Cypress MicroSystems has begun production shipments of an advanced analogue family of its award winning PSoC mixed-signal array PSoC devices are high performance, field-programmable, mixed-signal arrays for high volume embedded-control functions in consumer, industrial, office automation, telecomms and automotive applications
This article was originally published on Electronicstalk on 4 Nov 2004 at 8.00am (UK)
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The new CY8C27x device family provides highly stable, instrumentation quality analogue performance: including rail-to-rail inputs; programmable gain; 14bit analogue to digital convertors (up to four independent convertors are available in a single PSoC device); exceptionally low noise, input leakage and voltage offset, along with rich digital functions including an 8bit microcontroller core.
Containing over 100 reconfigurable analogue and digital library components created from 12 fundamental analogue and eight digital blocks, PSoC CY8C27x devices are true systems on a chip.
Each contains a 24MHz 8bit microcontroller unit (MCU); 16Kbyte of Flash memory; 256byte of SRAM; an 8x8 multiplier with 32bit accumulator; power and sleep monitoring circuits; and a precision real-time clock.
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"Customer feedback indicates that PSoC integration saves them money on their bill of materials by reducing the number of analogue and digital components they need in their designs", said George Saul, CEO of Cypress MicroSystems.
"They report reductions of 40-60 components in typical applications, resulting in cost savings of $2-6 per board.
In addition, PSoC programmability enables them to reduce their development time and get to market faster.
The end result is better than a custom solution, it's cheap, there's no NRE cost, no waiting, no minimum quantities and designs are infinitely re-usable".
"PSoC has proven to be a fast growing architecture for Cypress", said Tony Massimini of Semico Research.
"The advantages of using PSoC over traditional non integrated MCUs, non integrated analogue components, and dozens of passives are economically compelling.
The addition of higher quality programmable analogue functions extends the application reach of the versatile PSoC architecture into the most demanding embedded markets.
Having programmable analogue and digital blocks, plus a high-speed MCU, on a $2 chip is a remarkable achievement".
CY8C27x devices eliminate the need for expensive non integrated analogue components such as instrumentation amplifiers, filters (Bessel, Butterworth, and elliptical up to eight poles), RMS/DC convertors, programmable gain amplifiers, and thousands of other analogue components.
With a noise threshold of 70nV/(rt)Hz and an analogue offset voltage of 6mV digitally trimmed to less than 100uV, the enhanced PSoC devices bring the advantage of high quality analogue components to a single, inexpensive, easy-to-program mixed-signal device.
In addition to greatly improved analogue performance, the new generation PSoC devices also contain dozens of digital and system level enhancements, including: hardware I2C communications for reduced MCU overhead; increased interconnects for data and clocking; synchronous, asynchronous, and latched deadband modes to enable demanding motor-control applications; logic; and numerous additional I/O modes for improved drive and EMI performance.
With a typical sleep current of just 3uA, PSoC offers the lowest power consumption in the industry for Flash based applications.
The 3uA specification includes operation of the sleep timer, watch dog circuits, and power supervisor functions, all of which are required in most Flash-based embedded designs.
The software development environment PSoC Designer 4.0 supports all current PSoC devices as well as future low cost versions.
PSoC Designer 4.0 is a full featured, GUI-based design tool suite that enables the user to: lay out their design on silicon with simple point and click options; code the MCU in either C or assembly language; and debug the design using sophisticated features such as event triggers and multiple break points while single-stepping through the code in C or assembler or a mix of the two.
PSoC Designer 4.0 is free and can be downloaded from the Cypress website.
The CY3205-DK Professional Class development kit includes a full-speed emulator with a large trace buffer, both of which seamlessly integrate with PSoC Designer 4.0.
The development kit includes everything necessary to complete a design with the new PSoC family of ICs in DIP packages; the kits also contain all materials for the first four "tele-training" modules.
The tools are designed to keep the cost of development to a minimum while providing all the features found in tools that cost $2000 or more.
The CY3205-DK is priced at $399.
Early training is key to quickly realising the cost saving and technical benefits of the PSoC architecture.
Free "tele-training" classes are offered live every week, with introductory training classes starting each Friday.
An autumn and winter regional seminar series is also being scheduled.
Details of both are on the Cypress website.
The CY8C27x PSoC family is in production now and contains eight family members ranging from an 8-pin PDIP to a 48-pin MLF/QFN for as low as $1.99 in 50,000-unit quantities.
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