K60突然下载不了了，求救啊！！！！

fei15115

换了JLINK的接口之后就突然下载不了了。
打开JLINK-COMMANDER之后：“


SEGGER J-Link Commander V4.15e ('?' for help)
Compiled May 31 2010 18:27:18
DLL version V4.15e, compiled May 31 2010 18:26:57
Firmware: J-Link ARM V8 compiled Nov 28 2014 13:44:46
Hardware: V8.00
S/N : 17935099
Feature(s) : RDI,FlashDL,FlashBP,JFlash
Info: Could not measure total IR len. TDO is constant high.

WARNING: No matching core found.
Info: Could not measure total IR len. TDO is constant high.
VTarget = 3.267V
Info: Could not measure total IR len. TDO is constant high.

****** Error: Could not find supported CPU core on JTAG chain
No devices found on JTAG chain. Trying to find device on SWD.

WARNING: No matching core found.

****** Error: Parity error (Data = 0xFFFFFFFF, ReceivedParity = 1)

No device found on SWD.
Cortex-M3 identified.
JTAG speed: 100 kHz



我应该怎么做？

渣渣渣渣

换成SWD模式试一下

fei15115

渣渣渣渣 发表于 2019-2-27 14:14
换成SWD模式试一下

还是一样的，用IAR下载时会提示Pcode，-1什么的

左边HY

我去年遇见过usb电压低导致下不进去