进入uboot控制台后，打开jlink命令窗口出现如下提示，同时6410重启。
版主帮忙看看啊，好郁闷，担心板子有问题。
SEGGER J-Link Commander V4.20 ('?' for help)
Compiled Sep 10 2010 19:04:47
DLL version V4.20, compiled Sep 10 2010 19:04:31
Firmware: J-Link ARM V8 compiled Sep 7 2010 15:58:01
Hardware: V8.00
S/N: 20100214
Feature(s): RDI,FlashDL,FlashBP,JFlash,GDBFull
VTarget = 3.300V
Info: TotalIRLen = 4, IRPrint = 0x01
WARNING: CPU core not found.
No devices found on JTAG chain. Trying to find device on SWD.
WARNING: CPU core not found.
****** Error: Parity error (Data = 0xFFFFFFFF, ReceivedParity = 1)
No device found on SWD.
Did not find any core.
Info: TotalIRLen = 4, IRPrint = 0x01
WARNING: CPU core not found.
No devices found on JTAG chain. Trying to find device on SWD.
WARNING: CPU core not found.
No device found on SWD.
Did not find any core.
J-Link>
