芯谷芯片解密研究所目前主要面向广大客户承接各类IC解密、单片机解密、FPGA解密、DSP解密以及其他专用IC及疑难IC的解密项目，CY2071A是CYPRESS系列单片机之一，目前，芯谷芯片解密研究所在CYPRESS系列单片机解密领域已经取得系列突破，可提供多种型号IC及单片机的解密服务，详情请与芯谷芯片解密研究所联系，这里我们仅提供对CY2071A单片机的基本功能特征介绍：
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The CY2071A is a general-purpose clock synthesizer designed for use in applications such as modems, disk drives,CD-ROM drives, video CD players, games, set-top boxes, and data/telecommunications. The device offers up to three configurable clock outputs in an 8-pin, 150-mil SOIC package and can operate off either a 3.3V or 5V power supply. The on-chip reference oscillator is designed for 10-MHz to 25-MHz crystals.
Alternatively, an external reference clock of frequency between 1 MHz and 30 MHz can be used. The CY2071A has one PLL and outputs three factory-EPROM configurable clocks: CLKA, CLKB, and CLKC. The output clocks can originate either from the PLL or the reference, or selected dividers thereof. Additionally, pin 8 can be configured to be an Output Enable or a Select input.
The CY2071A can replace multiple Metal Can Oscillators (MCO) in a synchronous system, providing cost and board space savings to the manufacturer. Hence, these devices are ideally suited for applications that require multiple, accurate,and stable clocks synthesized from low-cost generators in small packages. A hard-disk drive is an example of such an application. In this case, CLKA drives the PLL in the Read Controller, while CLKB and CLKC drive the MCU and associated sequencers.
CY2071A Features
Single phase-locked loop architecture
EPROM programmability
Factory-programmable (CY2071A, CY2071AI) or fieldprogrammable
(CY2071AF, CY2071AFI) device options
Up to three configurable outputs
Low-skew, low-jitter, high-accuracy outputs
Internal loop filter
Power management (OE)
Frequency select options
Configurable 5V or 3.3V operation
8-pin 150-mil SOIC package
Benefits
Generates a custom frequency from an external source
Easy customization and fast turnaround
Programming support available for all opportunities
Generates three related frequencies from a single device
Meets critical industry standard timing requirements
Alleviates the need for external components
Supports low-power applications
3 outputs with 2 user selectable frequencies
Supports industry standard design platforms
Industry-standard packaging saves on board space
