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Posts Tagged ‘debug protocol’

Introduction to cortex serial wire debugging, 3-part tutorial

Monday, November 26th, 2012

Squonk refers us to this 3-part tutorial on the ARM SWD debug protocol. LPC ARM Cortex-based microcontrollers from NXP can be controlled via SWD, ARM’s Serial Wire Debug protocol and the Coresight register set which allow nonintrusive debugging. This blog post series summarizes use of the SWD protocol to do...

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  • Drone: So these go for around $330 USD and NO published calibration procedure online or otherwise? Given what's inside - I don't think I'll be considering...
  • Pekka Akselin: This is ridiculous!? :-) We are back at 256(!) byte EPROMs that needed multiple, a handful, of voltages to run! :-(
  • KH: Let's try a back-of-envelope calc balancing energies. From MCP1700 datasheet, there are graphs for a 200mA load step. Estimate the energy shortfall as 12uJ. Say...
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  • KH: Agree, so okay, I guess he must have learned from somewhere. 100nF and 1000uF is so far apart, that was jarring; it's more magic incantation...