JLink info:
------------
DLL: V4.15n, compiled Jun 18 2010 19:55:09
Firmware: J-Link ARM V8 compiled Sep  2 2011 17:54:36
Hardware: V8.00
S/N : 20100214
Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFull

* JLink Info: TotalIRLen = ?, IRPrint = 0x..000000000000000000000000
**JLink Warning: No matching core found.
* JLink Info: TotalIRLen = ?, IRPrint = 0x..000000000000000000000000
* JLink Info: TotalIRLen = ?, IRPrint = 0x..000000000000000000000000
* JLink Info: Resetting target using RESET pin
* JLink Info: Halting CPU core
**JLink Warning: Received 0 as core Id.
* JLink Info: Using DBGRQ to halt CPU
* JLink Info: Resetting TRST in order to halt CPU
* JLink Info: Resetting target using RESET pin
* JLink Info: Halting CPU core
**JLink Warning: Received 0 as core Id.
* JLink Info: Using DBGRQ to halt CPU
* JLink Info: Resetting TRST in order to halt CPU
***JLink Error: Could not find supported CPU core on JTAG chain
Bad JTAG communication: Write to IR: Expected 0x1, got 0x0 (TAP Command : 2) @ Off 0x5.
Unable to halt ARM core

同一个jlink别的工程能写，这个工程一写就像锁起来一样，不能读不能擦，不知道是不是工程原因还是什么原因？求解。 此帖出自小平头技术问答