jtag
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
jtag [2016/01/13 10:19] – [scan chain] kingkevin | jtag [2016/02/03 13:47] – [ST-Link v2 (clone)] add pinout kingkevin | ||
---|---|---|---|
Line 24: | Line 24: | ||
{{: | {{: | ||
{{: | {{: | ||
+ | |||
+ | ^ STM32F103C8 signal ^ STM32F103C8 pin ^ adapter pin ^ adapter signal ^ | ||
+ | | PA7 | 17 | 1 | JRST | | ||
+ | | AMS1117 | | 2 | 3V3 | | ||
+ | | USB VCC | | 3 | 5V | | ||
+ | | PA4 | 14 | 4 | JTCK/SWCLK | | ||
+ | | PB11 | 22 | 5 | SWIM/SWDIO | | ||
+ | | PA14 | 37 | 6 | JTMS | | ||
+ | | USB GND | | 7 | GND | | ||
+ | | PA5 | 15 | 8 | JTDO | | ||
+ | | PB6 | 42 | 9 | SWIM_RST | | ||
+ | | PA6 | 16 | 10 | JTDI | | ||
+ | | PB12,PB14 | 25,27 | | 100 ohms | | ||
+ | | PB5 | 41 | | LED | | ||
+ | |||
+ | the adapter pins are protected with a 220 ohms resistor. | ||
+ | |||
* one [[http:// | * one [[http:// | ||
{{: | {{: | ||
Line 33: | Line 50: | ||
This is newer variant of JTAG which requires only 2 signal lines instead of 4+. | This is newer variant of JTAG which requires only 2 signal lines instead of 4+. | ||
But but aware, they both have different pinouts on the connector. | But but aware, they both have different pinouts on the connector. | ||
+ | The second one offers 2 more power ports at the expense of JTAG TDI and TDO/SWO. | ||
- | These JTAG adapter | + | These JTAG adapters |
And ironically enough I in turn use them to program and debug STM32F1xx ARM Cortex M3 micro-controllers. | And ironically enough I in turn use them to program and debug STM32F1xx ARM Cortex M3 micro-controllers. | ||
Line 156: | Line 174: | ||
Info : stm32f1x.cpu: | Info : stm32f1x.cpu: | ||
</ | </ | ||
+ | |||
+ | ==== SEGGER J-Link (clone) ==== | ||
+ | |||
+ | The [[http:// | ||
+ | |||
+ | {{: | ||
+ | {{: | ||
+ | {{: | ||
+ | |||
+ | It supports JTAG, SWD, SWO, RTCK, and voltage reference. | ||
+ | That makes it the most complete JTAG adapter I have. | ||
+ | |||
===== tricks ===== | ===== tricks ===== | ||
jtag.txt · Last modified: 2024/01/07 17:49 by 127.0.0.1