LPC802-based SPI to USART Interface Conversion Bridge
●Nowadays mainstream embedded Internet of Things (IoT) systems are presented in star topology, a central controller and many peripheral devices, to realize system functions. As the system becomes more complicated, the contradiction between limitation of interface resources of central controller and increase of access devices becomes more and more prominent. Therefore, it is essential for central controller to connect access devices through extending interface. Among many communication methods of embedded system, Universal Synchronous/Asynchronous Receiver/Transmitter (USART) is widely used for its stability and reliability.
●This application note provides an LPC802-based SPI-To-USART interface extension solution. This solution adopts LPC802 as the transfer bridge to realize data cache and forward control between central controller as an SPI master and USART peripherals.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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November 2020 |
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Rev. 0 |
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AN13066 |
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1.4 MB |
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