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The Timers can be cascaded to make more complex timing relationships, or longer periods.Internally only some timers can trigger others.This is a Maste... 阅读全文
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PSoC 5 supports programming through the serial wire debug (SWD) interface.There are two signals in SWD interface: data signal (SWDIO) and a clock for ... 阅读全文
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STM32 SPI DMA 的使用 一是想总结一下SPI总线的特点与注意点，二是总结一下SPI DMA的使用一、SPI信号线说明 通常SPI通过4个引脚与外部器件相连：MISO：主设备输入/从设备输出引脚。该引脚在从模式下发送数据，在主模式下接收数据。MOSI：主设备输出/从设备输入引脚。该引脚在... 阅读全文
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The STM32 SPI and FPGA communicationSTM32 spi bus communicationSPI bus in the study, the protocol and hardware description is not to say that the four... 阅读全文
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HOWTO: Use STM32 SPI half duplex modeI’ve got my hands onto some STM32F030F4P6 ARM-Cortex M0 processors.Though touted as “32 cents 32-bit micro”, it i... 阅读全文
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NSS分为内部引脚和外部引脚。NSS外部引脚可以作为输入信号或者输出信号，输入信号一般用作硬件方式从机的片选，而输出信号一般用于主SPI去片选与之相连的从SPI。NSS从设备选择有两种模式：1、软件模式可以通过设置SPI_CR1寄存器的SSM位来使能这种模式，当它为1时，NSS引脚上的电平由SSI决... 阅读全文
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Open JTAG Project is an open source hardware and software for a high speed USB JTAG tool.In this site, you can find and download all necesary files to... 阅读全文
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AboutOpenOCD was created by Dominic Rath as part of a 2005 diploma thesis written at the University of Applied Sciences Augsburg (http://www.hs-augsbu... 阅读全文
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Correctly installing OpenOCD includes making your operating system give OpenOCD access to debug adapters. Once that has been done, Tcl commands are us... 阅读全文
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OpenOCD 0.9.0 releaseMay 18th, 2015I’m happy to announce the release of OpenOCD version 0.9.0, finally!It tooks us a bit more than a year but the list... 阅读全文
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http://hackaday.com/2014/01/23/arm-debugger-for-nearly-one-dollar/Oh that title is so misleading.But if you squint your eyes and scratch your noggin i... 阅读全文
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SW-DP (Serial Wire Debug Port) Analyzer plugin for the Saleae LogicThe SW-DP protocol is described by the following publicly available documents:DDI 0... 阅读全文
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Serial Wire Debug interfaceThe Serial Wire Debug protocol operates with a synchronous serial interface.This uses a single bidirectional datasignal, an... 阅读全文
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Dapper MiserIn late 2013, I created a functional implementation of CMSIS-DAP that runs in a low cost ~$1 PIC16F1454 microcontroller.My interest was se... 阅读全文
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Master configuration When a timer is selected as a master timer, the corresponding trigger output signalis used by the slave internal trigger (when co... 阅读全文