JTAG Error: Could not start CPU core. (ErrorCode: -1)请大牛们帮忙看看，给个方向，谢谢。

skyzheng · 发表于 2015-6-10 14:36:17

淘宝上刚买的开发板，之前是可以正常烧录的，今早keil mdk5在烧录过程中挂了，然后J-Link就无法被识别了（J-Llink指示灯不亮了），换了一个好的J-Link，烧录光盘里带的跑马灯例程（未修改）报如下错。（通过串口能正常烧录）

JLink info:
------------
DLL: V4.80g, compiled Feb 13 2014 20:50:02
Firmware: J-Link ARM V8 compiled Jul 17 2014 12:31:18
Hardware: V8.00
S/N : 99999994
Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFULL

* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: Found Cortex-M4 r0p1, Little endian.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
ROMTableAddr = 0xE00FF003
**JLink Warning: T-bit of XPSR is 0 but should be 1. Changed to 1.

Target info:
------------
Device: STM32F407ZG
VTarget = 2.290V
State of Pins:
TCK: 0, TDI: 1, TDO: 1, TMS: 1, TRES: 1, TRST: 1
Hardware-Breakpoints: 6
Software-Breakpoints: 8192
Watchpoints: 4
JTAG speed: 4000 kHz

***JLink Error: Could not start CPU core. (ErrorCode: -1)
**JLink Warning: T-bit of XPSR is 0 but should be 1. Changed to 1.
***JLink Error: Could not start CPU core. (ErrorCode: -1)
**JLink Warning: T-bit of XPSR is 0 but should be 1. Changed to 1.
Erase Failed!
Error: Flash Download failed - "Cortex-M4"