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CY8C20324-12LQXI Datasheet(PDF) 4 Page - Cypress Semiconductor |
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CY8C20324-12LQXI Datasheet(HTML) 4 Page - Cypress Semiconductor |
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4 / 40 page  CY8C20224, CY8C20324 CY8C20424, CY8C20524 Document Number: 001-41947 Rev. *K Page 4 of 40 Typical Application Figure 2 illustrates a typical application: CapSense multimedia keys for a notebook computer with a slider, four buttons, and four LEDs. Figure 2. CapSense Multimedia Button-Board Application Additional System Resources System resources, some of which are previously listed, provide additional capability useful to complete systems. Additional resources include low voltage detection (LVD) and power on reset (POR). Brief statements describing the merits of each system resource follow. ■ The I2C slave and SPI master-slave module provides 50, 100, or 400 kHz communication over two wires. SPI communication over three or four wires runs at speeds of 46.9 kHz to 3 MHz (lower for a slower system clock). ■ LVD interrupts signal the application of falling voltage levels, while the advanced POR circuit eliminates the need for a system supervisor. ■ An internal 1.8-V reference provides an absolute reference for capacitive sensing. ■ The 5 V maximum input, 3 V fixed output, low dropout regulator (LDO) provides regulation for I/Os. A register controlled bypass mode enables the user to disable the LDO. Getting Started This datasheet is an overview of the PSoC integrated circuit and presents specific pin, register, and electrical specifications. For in-depth information, along with detailed programming infor- mation, see the PSoC® CY8C20x24, CY8C20x34 Technical Reference Manual (TRM) for this PSoC device. For up-to-date ordering, packaging, and electrical specification information, see the latest PSoC device data sheets on the web at http://www.cypress.com. Application Notes Application notes are an excellent introduction to the wide variety of possible PSoC designs and are available at http://www.cypress.com. Development Kits PSoC development kits are available online from Cypress at http://www.cypress.com and through a growing number of regional and global distributors, including Arrow, Avnet, Digi-Key, Farnell, Future Electronics, and Newark. Training Free PSoC technical training (on demand, webinars, and workshops) is available online at http://www.cypress.com. The training covers a wide variety of topics and skill levels to assist you in your designs. CYPros Consultants Certified PSoC Consultants offer everything from technical assistance to completed PSoC designs. To contact or become a PSoC Consultant, go to http://www.cypress.com and look for CYPros Consultants. Solutions Library Visit our growing library of solution-focused designs at http://www.cypress.com. Here you can find various application designs that include firmware and hardware design files that enable you to complete your designs quickly. Technical Support For assistance with technical issues, search KnowledgeBase articles and forums at http://www.cypress.com. If you cannot find an answer to your question, call technical support at 1-800-541-4736. [+] Feedback |
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