Jun 04, 2020
06:04 AM
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Jun 04, 2020
06:04 AM
Hi,
I want connect the four XMC4800 devices at using JTAG chain.
What points do you think I should be careful about?
For example
- Whether a buffer is needed
If need the buffer. Could you tell me, add buffer to where and a specifications of buffer?
- Do I need to change the pull-up and pull-down resistance constants according to the number of devices?
Thank you.
I want connect the four XMC4800 devices at using JTAG chain.
What points do you think I should be careful about?
For example
- Whether a buffer is needed
If need the buffer. Could you tell me, add buffer to where and a specifications of buffer?
- Do I need to change the pull-up and pull-down resistance constants according to the number of devices?
Thank you.
- Tags:
- IFX
3 Replies
Jun 05, 2020
01:59 AM
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Jun 05, 2020
01:59 AM
Hi,
The following pins has internal pull resistor:
- TRST: Internal pull-down
- TMS/SWDIO: Internal pull-up
- TCK/SWCLK: Internal pull-down
External pull resistor in the range 4.7K to 10K are optional.
Debug probes like ULINK2 provides the required buffering.
The following pins has internal pull resistor:
- TRST: Internal pull-down
- TMS/SWDIO: Internal pull-up
- TCK/SWCLK: Internal pull-down
External pull resistor in the range 4.7K to 10K are optional.
Debug probes like ULINK2 provides the required buffering.
Dec 07, 2020
02:04 AM
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Dec 07, 2020
02:04 AM
Hi,
Can your J-LINK probes (Infineon KIT_XMC_LINK_SEGGER_V1 ) support multiple ARM chain connection by JTAG?
Best Regards,
Xingwei
Can your J-LINK probes (Infineon KIT_XMC_LINK_SEGGER_V1 ) support multiple ARM chain connection by JTAG?
Best Regards,
Xingwei
Jan 10, 2021
10:13 PM
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Jan 10, 2021
10:13 PM
Hello,
Yes, our kit KIT_XMC_LINK_SEGGER_V1 will support multiple devices on JTAG chain. As you can see from the user manual, KIT_XMC_LINK_SEGGER_V1 debug probe is based on SEGGER J-Link debug firmware. So, we suggest you to refer SEGGER documentation for more details.
Thanks and Regards,
Sudheesh
Yes, our kit KIT_XMC_LINK_SEGGER_V1 will support multiple devices on JTAG chain. As you can see from the user manual, KIT_XMC_LINK_SEGGER_V1 debug probe is based on SEGGER J-Link debug firmware. So, we suggest you to refer SEGGER documentation for more details.
Thanks and Regards,
Sudheesh