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[ABANDONED] J-Link: Multi-Chain JTAG Connection Issues. Target Device: Renesas RA4M2 EVK

rullmaj - Aug 12th 2022, 5:51pm - J-Link/Flasher related
Post

UPDATE: I was able to connect to successfully and program the RA4M2 MCU using a J-Link script file that one of my co-workers provided to me which was designed for an NXP KW21 MCU. Is there a similar J-Link Script file that exists for the RA4M2 or similar Renesas MCUs ?
[ABANDONED] J-Link: Multi-Chain JTAG Connection Issues. Target Device: Renesas RA4M2 EVK

rullmaj - Aug 12th 2022, 5:15pm - J-Link/Flasher related
Post

While using a multi-chain JTAG configuration, I am unable to connect to a Renesas RA4M2 Eval Kit (EVK). The EVK is device #0 on the JTAG chain. Device #1 is a Xilinx Spartan 6 FPGA. For now, I would like to be able to connect to and program the MCU over JTAG. Unfortunately, I have been unable to connect to the MCU in order to program it. It seems that there are no issues with the physical JTAG chain as the device ID's of both devices on the chain are able to be retrieved automatically. My guess …