产品用了RT685用自己的jlink不能下载,借鉴了版主的帖子[size=21.3333px]【经验分享】RT600 MCUXpressoJLINK debug QSPI flash卡在了寻找内核的地方
Type "connect" to establish a target connection, '?' for help
J-Link>connect
Please specify device / core. <Default>: MIMXRT600_UFL_L0
Type '?' for selection dialog
Device>?
Please specify target interface:
J) JTAG (Default)
S) SWD
T) cJTAG
TIF>600s
TIF>s
Specify target interface speed [kHz]. <Default>: 4000 kHz
Speed>4000KHz
Device "MIMXRT600_UFL_L0" selected.
Connecting to target via SWD
Found SW-DP with ID 0x6BA02477
DPIDR: 0x6BA02477
CoreSight SoC-400 or earlier
Scanning AP map to find all available APs
AP[1]: Stopped AP scan as end of AP map has been reached
AP[0]: AHB-AP (IDR: 0x84770001)
Iterating through AP map to find AHB-AP to use
AP[0]: Skipped. Could not read CPUID register
Attach to CPU failed. Executing connect under reset.
Failed to power up DAP
Found SW-DP with ID 0x6BA02477
DPIDR: 0x6BA02477
CoreSight SoC-400 or earlier
Scanning AP map to find all available APs
AP[1]: Stopped AP scan as end of AP map has been reached
AP[0]: AHB-AP (IDR: 0x84770001)
Iterating through AP map to find AHB-AP to use
AP[0]: Skipped. Could not read CPUID register
Attach to CPU failed. Executing connect under reset.
Failed to power up DAP
Cannot connect to target.
J-Link>