jlink v8识别不了LPC2148

chary8088

jlink v8识别不了LPC2148 [复制链接]

用jlink V8给目标板提供3.3V电压，就是把jlink 里面的跳线帽插到3.3V pin上
然后连接 2148，一直这样提示，试了两个2148了，都是这样的提示
我如果用目标板自己的电源，也是同样的提示

Feature(s): RDI,FlashDL,FlashBP,JFlash,GDBFull
VTarget = 3.300V
Info: Could not measure total IR len. TDO is constant high.
Info: Could not measure total IR len. TDO is constant high.
No devices found on JTAG chain. Trying to find device on SWD.
No device found on SWD.
Did not find any core.
Info: Could not measure total IR len. TDO is constant high.
Info: Could not measure total IR len. TDO is constant high.
No devices found on JTAG chain. Trying to find device on SWD.
No device found on SWD.
Did not find any core.
J-Link>st
VTarget=3.306V
ITarget=0mA
TCK=1 TDI=0 TDO=1 TMS=0 TRES=0 TRST=1
Supported JTAG speeds:
- 48 MHz/n, (n>=4). => 12000kHz, 9600kHz, 8000kHz, ...
- Adaptive clocking
J-Link>hwinfo
HWInfo[00] = Target power is disabled
HWInfo[02] = 0mA        (ITarget)
HWInfo[03] = 0mA        (ITargetPeak)
HWInfo[04] = 0mA        (ITargetPeakOperation)
HWInfo[10] = 0ms        (ITargetMaxTime0)
HWInfo[11] = 0ms        (ITargetMaxTime1)
HWInfo[12] = 0ms        (ITargetMaxTime2)
J-Link>

jlink v8驱动用的是4.42a， 最新版的4.46 老是Request 1 bytes, received 0 bytes!!
所以用回老的

[ 本帖最后由 chary8088 于 2012-4-27 15:30 编辑 ]

chary8088

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