Serial Wire Debug (SWD) is a 2-pin electrical alternative JTAG interface that has the same JTAG protocol on top.
1
vote
0answers
73 views
JLNINK(SWD)+IAR can not debug stm32: communication error
guys. I am using J-link with SWD interface to debug my STM32F103VCT6 in IAR. I can enter download and debug mode but I can not use "step over" or "stop" function. Once I use one of them I will get ...
2
votes
2answers
351 views
JTAG vs SWD debugging
Skimming through this article I'm just wondering, what are the benefits of SWD debugging over JTAG debugging?
I understand SWD uses less wires/pins, takes up less space etc. But how does it play out ...
1
vote
2answers
257 views
Finding an affordable integrated USB MCU
I'm in the early stages of designing a development board around Cypress Semiconductor's PSoC 3 and 5 range of chips. Much like the Arduino, I'd like the programming experience to be very easy, and ...
2
votes
3answers
188 views
SWD debugging solution
I'm planning to start a project based around a Freescale Cortex-M0+ chip. Apparently the M0+ is SWD only and does not support JTAG.
I've been looking around, but I can't find much in the way of SWD ...
1
vote
1answer
152 views
generating a custom half duplex 1 wire serial protocal
I want to use a microcontroller from NXP to generate a SWD (Serial wire debug) serial signal. A SWD signal is a clock and a host to target header, a single cycle wait period, followed by either a host ...
2
votes
2answers
118 views
Debugging STM32LF1xx low-power behavior
Is there any practical way to use a SWD-based debugger such as those made by Segger to debug a program for the STM32LF1xx which uses low-power modes and sets the clock speed very slow? The debugger ...
