J-link调试问题

dragonfever

我刚学习ARM，买的是ARM9（S3C2410），又配套买了个J-link v7仿真器，将J-link和ARM板连接起来，用J-link ARM v4.20看X-link的测试数据时，总显示写测试失败（如下面代码所示），不知道是怎么回事？？
SEGGER J-Link Commander V4.20 ('?' for help)
Compiled Sep 10 2010 19:04:47
DLL version V4.20, compiled Sep 10 2010 19:04:31
Firmware: J-Link ARM V7 compiled Sep  6 2010 10:43:31
Hardware: V7.00
S/N: 11111117
Feature(s): RDI, FlashBP, FlashDL, JFlash, GDBFull
VTarget = 3.222V
Info: TotalIRLen = 4, IRPrint = 0x01
Info: Using DBGRQ to halt CPU
Info: Resetting TRST in order to halt CPU
Info: CP15.0.0: 0x41129200: ARM, Architecure 4T
Info: J-Link: ARM9, 920 core

****** Error: Unable to halt ARM core
Found 1 JTAG device, Total IRLen = 4:
#0 Id: 0x0032409D, IRLen: 04, Unknown device
Found 1 JTAG device, Total IRLen = 4:
#0 Id: 0x0032409D, IRLen: 04, Unknown device
Found ARM with core Id 0x0032409D (ARM9)
J-Link>testspeed
Unknown command. '?' for help.
J-Link>testwspeed
Speed test: Writing 8 * 8kb into memory @ address 0x00000000 Info: J-Link: ARM9
CP15 Settings changed: 0xC000717F from 0x00000078, MMU On, ICache On, DCache On
........
Write test failed. 0 bytes written successfully.
J-Link>testwspeed
Speed test: Writing 8 * 8kb into memory @ address 0x00000000 ........
Write test failed. 0 bytes written successfully.
J-Link>
希望大家指点一下！

chaplin1999

你没有用初始化脚本初始化S3C2410相关寄存器 ，所以就不能用了！

dragonfever

回复【1楼】chaplin1999
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谢谢！
可是怎么初始化S3C2440的寄存器呢？
初始化之后就可以了测试了吗？

goooogleman

能读出ID基本是OK的。呵呵。

www1519

那位网友有正品的AT91SAM7S64呀？
淘宝上的我不敢买啊！
1片就够了，两片也中！
先谢了！