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AN42468 - On-Die Termination for QDR™II+/DDRII+ SRAMs
ODT has the following advantages: Improves signal integrity by having termination closer to the device inputs Simplifies board routing Saves board space by eliminating external resistors Reduces cost...
View ArticleEZ-USB FX2LP™/AT2LP™ Reset and Power Considerations - AN064
The Cypress EZ-USB FX2LP(TM) is a USB 2.0 high-speed device. It contains an 8051, 16K of program/data memory, 4K of endpoint buffers and a General Programmable Interface (GPIF) block. The EZ-USB...
View ArticleAN66806 - Getting Started with EZ-USB® FX2LP™ GPIF
This document introduces the GPIF unit and its graphical design tool called GPIF Designer by creating a simple design that divides the GPIF clock by 2, 4, and 7. Only three lines of C code are...
View ArticleAN89611 - PSoC® 3 and PSoC 5LP – Getting Started with Chip Scale Packages (CSPs)
Introduction Cypress is now offering its PSoC 3 and PSoC 5LP family of products in wafer-level chip scale packages (WLCSPs, or CSPs for short). These devices are designed to pack the maximum...
View ArticleAN55659 - Migrating from CY14B101L/STK14CA8 to CY14B101LA
Introduction Cypress CY14B101LA is a 3 V, 1 Mbit (128 K x 8) nvSRAM in 0.13 micron technology. This part is functionally equivalent to CY14B101L/STK14CA8 (0.25 µ) and is intended as a drop in...
View ArticleAN55661 - Migrating from CY14B256L/STK14D88 to CY14B256LA
Introduction Cypress CY14B256LA is a 3 V, 256 Kbit (32 K x 8), nvSRAM in 0.13 micron technology. This part with a few performance enhancements is functionally equivalent to CY14B256L/STK14D88 in 0.25...
View ArticleAN90833 - PSoC® 1 Interrupts
Introduction Interrupts are an important part of any embedded application because they free the CPU from continuously polling the occurrence of a specific event. Instead, interrupts notify the CPU...
View ArticleAN1226 - Connecting CY7B951/CY7B952 to 3.3 V Framers
Introduction CY7B951 and CY7B952 are clock and data recovery chips for 155.52 Mbps and 51.84 Mbps signals.
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AN2361 - USB-Powered Battery Charger for Nicd/Nimh Batteries - USB-Powered...
This application note describes a USB-powered battery charger for NiCd/NiMH batteries that permits rapid recharging. Dedicated PC-based software has been developed to monitor and control the charging...
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AN78692 - PSoC® 1 - Intelligent Fan Controller
This application note also shows how to combine fan control and temperature sensing to create a complete thermal management solution using PSoC 1. This application note assumes familiarity with PSoC...
View ArticleAN5078 - EZ-USB Hardware - Design considerations for EEPROM usage
The content of this application note is now available in AN15456 - Guide to a Successful EZ-USB® FX2LP™ Hardware Design.
View ArticleAN1168 - High-speed USB PCB Layout Recommendations
The content of this application note is now available in AN15456 - Guide to a Successful EZ-USB® FX2LP™ Hardware Design.
View ArticleAN43841 - EZ-USB® FX2LP™/FX2LP18 56-Ball BGA PCB Layout Guidelines
The content of this application note is now available in AN15456 - Guide to a Successful EZ-USB® FX2LP™ Hardware Design.
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AN2344 - Power Management - Battery Charger with Cell-Balancing and Fuel...
The application is designed for battery packs with two, three, or four Li-Ion or Li-Pol cells in a series. It includes dedicated PC-based software for realtime viewing and analysis of the charge,...
View ArticleAN16833 - Signal Mixing with PSoC® Switched Capacitor Blocks
This application note describes some useful methods to allow configurations that seem impossible, such as the developed example of an eight channel (four channel stereo) audio mixer with adjustment...
View ArticlePower Management - Increasing Output Power of a Switch Mode Pump - AN2349
Such an application can be used in battery-powered devices that require a short-time, high-power load.
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AN2108 - PSoC® 1 - Implementing Hysteresis Comparator
The comparator is the most fundamental building block of a mixed-signal design. It is essentially have a differential amplifier with an extremely high open loop gain.
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AN2282 - Analog - Resonant Bridge Oscillators for Piezoelectric Buzzers
This Application Note shows an example of a piezoelectric resonator with excitation throughout its frequency range using the PSoC(TM) device. This technique allows the user to obtain the maximum...
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AN2272 - PSoC® 1 Sensing - Magnetic Compass with Tilt Compensation
A dual-axis accelerometer is used to provide tilt sensing for heading correction. Several full-featured and simplified design versions are also described. Example Project Supported H/W and S/W...
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AN2197 - Stepper Motor Driver for Smart Gauges
Introduction The world is digital today, and most of the information is represented in numbers. However, human nature is more ’analog’ and better represented in the old-fashioned way, using pointer...
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