請問各位先進：
 如何將Keil寫好的程式DownLoad到STM32F107VCT6 裡面？
我的電路只有 STM32F107VCT6  外接電源、JLINK燒錄座，試了很久還是無法將程式下載到107里，會出現下列訊息：
VTarget = 3.183V
Info: Could not measure total IR len. TDO is constant high.
***JLink Warning: CPU core not found.
Info: Could not measure total IR len. TDO is constant high.
***JLink Warning: CPU core not found.
DLL version V4.34d, compiled Sep 13 2011 17:28:37
Firmware: J-Link ARM V8 compiled Sep  6 2011 16:33:14
Hardware: V8.00
Hardware-Breakpoints: 0
Software-Breakpoints: 8192
Watchpoints:          0
Invalid core Id. (0x00000000)
Trying to connect with 5 kHz !
Invalid core Id. (0x00000000)
我操作錯誤了嗎：？