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PPTC101LFBN-RC Datasheet(PDF) 1 Page - Texas Instruments |
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PPTC101LFBN-RC Datasheet(HTML) 1 Page - Texas Instruments |
1 / 14 page User 's Guide SCPU034 – December 2011 TCA7408EVM,TCA5405EVM This user ’s guide describes the characteristics, setup and use of the TCA7408EVM/TCA5405EVM Evaluation Module (EVM). This user ’s guide includes set-up instructions, a schematic diagram, a bill of materials, printed-circuit board layout drawings, software instructions, and operation instructions. Contents 1 Introduction .................................................................................................................. 1 1.1 Features ............................................................................................................. 2 1.2 TPL0401A/B ........................................................................................................ 2 1.3 TCA5405 ............................................................................................................ 2 1.4 TCA7408 ............................................................................................................ 2 1.5 TLC59108 ........................................................................................................... 2 1.6 Requirements ....................................................................................................... 2 2 Setup ......................................................................................................................... 3 2.1 Connectors and Jumpers ......................................................................................... 3 2.2 Hardware Setup .................................................................................................... 4 3 Operation ..................................................................................................................... 4 4 MSP430 Code ............................................................................................................... 4 4.1 TCA5405 ............................................................................................................ 4 5 Schematics, Layout, and Bill of Materials ................................................................................ 6 5.1 Schematics .......................................................................................................... 6 5.2 Layout ............................................................................................................... 9 5.3 Bill of Materials .................................................................................................... 13 List of Figures 1 Data Flow for TCA5405 .................................................................................................... 4 2 TCA5405, TCA7408 Schematic ........................................................................................... 6 3 TLC59108 Schematic ...................................................................................................... 7 4 TPL0401 Schematic ........................................................................................................ 8 5 Routing, Assembly and Silkscreen Top .................................................................................. 9 6 Layer 2 Power Plane ...................................................................................................... 10 7 Layer 3 Ground Plane .................................................................................................... 11 8 Routing and Assembly Bottom .......................................................................................... 12 List of Tables 1 Description of Connectors and Jumpers ................................................................................. 3 2 TCA7408EVM/TCA5405EVM Bill of Material .......................................................................... 13 1 Introduction The TCA7408-5405EVM is designed to show the used of multiple TI products on a single evaluation board. It shows how the single-wire 5-bit output expander TCA5405 is used to generate LED blinking functions. The Single wire interface is implemented using a single GPIO port on the MSP430, and very simple firmware embedded in the device. The TCA7408 GPIO expander is used to an input handler, that detects Key presses and notifies the MSP430. The EVM also has the TPL0401 that is used for RGB color mixing in conjunction with the TLC59108. 1 SCPU034 – December 2011 TCA7408EVM,TCA5405EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated |
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