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verified publisher icon Kevincoooool

F0/F1/F2都可以用，但是F4/F7不行

Open cxnaive opened this issue 4 years ago • 0 comments

测试了F0/F1/F2系列，但是尝试连接F4/F7的时候一直找不到CPU

JFlash V7.60b

Connecting ...

  • Connecting via USB to probe/ programmer device 0
  • Probe/ Programmer firmware: J-Link V9 compiled May 7 2021 16:26:12
  • Device "STM32F407IG" selected.
  • Target interface speed: 4000 kHz (Fixed)
  • VTarget = 3.282V
  • InitTarget() start
  • Can not attach to CPU. Trying connect under reset.
  • Connecting to CPU via connect under reset failed.
  • InitTarget() end
  • InitTarget() start
  • Can not attach to CPU. Trying connect under reset.
  • Connecting to CPU via connect under reset failed.
  • InitTarget() end
  • ERROR: Failed to connect. Could not establish a connection to targe

cxnaive avatar Dec 24 '21 11:12 cxnaive