KEIL 下用RAM调试出错

hzh81

用JTAG V8 + STM32F103RB 调试，IDE-Version:礦ision3 V3.80 RealView MDK-ARM  Version: 3.50
用FLASH调试正常，但是按照网上方法设置在RAM调试不成功，显示：

//--------------------------------
JLink Speed: 500 kHzVTarget = 3.300V
DLL version V4.03r, compiled Mar  9 2009 18:04:21
Firmware: J-Link ARM V8 compiled Dec  1 2009 11:42:48
Hardware: V8.00
TotalIRLen = 9, IRPrint = 0x0011

Found Cortex-M3 r1p1, Little endian.
TPIU fitted.
  FPUnit: 6 code (BP) slots and 2 literal slots

Hardware-Breakpoints: 6
Software-Breakpoints: 2048
Watchpoints:          0

S/N : 20100214
Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFull
VTarget = 3.300V
TotalIRLen = 9, IRPrint = 0x0011

Found Cortex-M3 r1p1, Little endian.
TPIU fitted.
  FPUnit: 6 code (BP) slots and 2 literal slots
TotalIRLen = 9, IRPrint = 0x0011

Found Cortex-M3 r1p1, Little endian.
TPIU fitted.
  FPUnit: 6 code (BP) slots and 2 literal slots
Found Cortex-M3 r1p1, Little endian.
TPIU fitted.
  FPUnit: 6 code (BP) slots and 2 literal slots
TotalIRLen = 9, IRPrint = 0x0011

Found Cortex-M3 r1p1, Little endian.
TPIU fitted.
  FPUnit: 6 code (BP) slots and 2 literal slots
Include "C:\\Documents and Settings\\Administrator\\桌面\\SD+UART\\RAM.ini"
/******************************************************************************/
/* RAM.INI: RAM Initialization File                                           */
/******************************************************************************/
// <<< Use Configuration Wizard in Context Menu >>>                           //
/******************************************************************************/
/* This file is part of the uVision/ARM development tools.                    */
/* Copyright (c) 2005-2007 Keil Software. All rights reserved.                */
/* This software may only be used under the terms of a valid, current,        */
/* end user licence from KEIL for a compatible version of KEIL software       */
/* development tools. Nothing else gives you the right to use this software.  */
/******************************************************************************/

FUNC void Setup (void) {
  SP = _RDWORD(0x20000000);          // Setup Stack Pointer
  PC = _RDWORD(0x20000004);          // Setup Program Counter
//  _WDWORD(0xE000ED08, 0x20000000);   // Setup Vector Table Offset Register
}

LOAD Test.axf INCREMENTAL      // Download

Setup();                             // Setup for Running

g, main
***JLink Error: Could not write CPU register R13: Written: 0x00000501, Read 0x00000500
*** error 121: AGDI: cannot access target while executing
//--------------------------------
出错现象为，有程序下载过程(不确定下载到flash还是ram)，下载完后马上自动退出调试。
 请原子指点：谢谢！

正点原子

回复【楼主位】hzh81:
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参考本论坛一个网友发的帖子就可以了.