Product category: Programmable Logic Devices
News Release from: Cypress Semiconductor | Subject: Multiclock CY27EE16
Edited by the Electronicstalk Editorial Team on 4 February 2003
Programmable clock stores multiple configurations
Cypress Semiconductor is sampling its third-generation in-system-reprogrammable clock generator, the Multiclock CY27EE16
The new Multiclock CY27EE16 has a built-in charge pump, enabling the designer to program or reprogram the device in-system without requiring any special external programming voltage or having to resort to an external programmer. Cypress is providing a complete timing solution with its innovative CyberClocks timing development tool suite, which supports Cypress's full line of programmable clocks.
This article was originally published on Electronicstalk on 4 February 2003 at 8.00am (UK)
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CyberClocks supports the CY27EE16 by allowing the system designer to customise his requirements in real time, under a programming simulation environment on his personal computer.
The CY27EE16 is in-system programmable via an industry-standard I2C interface, and contains 2Kbit of EEPROM memory for storing clock configuration data plus an additional 16Kbit of independent EEPROM memory.
System designers can use this "extra" memory to store system information including revision levels, service codes, software patch information or any other changeable information without the need for additional memory chips.
In addition, designers can use the 16Kbit of memory to create multiple clock configurations on a single device.
For example, customers can store up to eight different spread-spectrum profiles for use at any given time.
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"Cypress's timing solutions conserve cost and board space in a broad range of applications, from consumer electronics to communication systems", said John Wunner, Marketing Manager for Cypress's Timing Technology Division.
"We're taking our leadership position one step further with this next generation of clocks that provide advanced functionality while radically simplifying timing design when used in conjunction with our easy-to-use CyberClocks software development tool suite".
CyberClocks development software simplifies timing design by introducing a "black-box" approach to configuring programmable clocks.
While traditional software models cater to engineers who understand phase-locked loop (PLL) technology, the black-box approach of CyberClocks enables anyone, without any knowledge of the workings of a PLL, to simply specify input and output clock requirements and allow CyberClocks to compute the best configuration.
CyberClocks software performs exhaustive computation on the requirements and optimises the results to meet all the performance parameters set by the designer.
The embedded design rule checking of the CyberClocks software ensures that the PLL system achieves stability under all valid programming conditions and data sheet parameters.
CyberClocks integrates Cypress's entire suite of timing software tools (CyClocksRT, CyClocks and RoboConfig) into one easy-to-use package.
Samples of the CY27EE16 are available now in 20-pin EP-TSSOPs.
Pricing starts at $2.45 in quantities of 10,000.
CyberClocks software is free and can be downloaded from the Cypress Semiconductor website.
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