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仿真器无法连接目标板

你好!我用的仿真器是XDS100V3和TMS320f28335,之前可以连接,在一次烧写Flash卡死后,就不能连接了,报错:

Error connecting to the target:
(Error -233 @ 0x0)
The JTAG IR and DR scan-paths cannot circulate bits, they may be broken.
An attempt to scan the JTAG scan-path has failed.
The target's JTAG scan-path appears to be broken
with a stuck-at-ones or stuck-at-zero fault.
(Emulation package 5.1.507.0)

请问是芯片被锁死了吗?怎么确定?

Taotao Wang:

回复 Eric Ma:

按住复位键可以连接上,但不能擦除flash,提示Load program error。

你好!我用的仿真器是XDS100V3和TMS320f28335,之前可以连接,在一次烧写Flash卡死后,就不能连接了,报错:

Error connecting to the target:
(Error -233 @ 0x0)
The JTAG IR and DR scan-paths cannot circulate bits, they may be broken.
An attempt to scan the JTAG scan-path has failed.
The target's JTAG scan-path appears to be broken
with a stuck-at-ones or stuck-at-zero fault.
(Emulation package 5.1.507.0)

请问是芯片被锁死了吗?怎么确定?

mangui zhang:

回复 Taotao Wang:

不能擦出flash时     还是连接上的吧 

从你的提示看是下载错误     直接擦出呢?能不能成功

你好!我用的仿真器是XDS100V3和TMS320f28335,之前可以连接,在一次烧写Flash卡死后,就不能连接了,报错:

Error connecting to the target:
(Error -233 @ 0x0)
The JTAG IR and DR scan-paths cannot circulate bits, they may be broken.
An attempt to scan the JTAG scan-path has failed.
The target's JTAG scan-path appears to be broken
with a stuck-at-ones or stuck-at-zero fault.
(Emulation package 5.1.507.0)

请问是芯片被锁死了吗?怎么确定?

Taotao Wang:

回复 mangui zhang:

CCSv6可以像3.3那样只擦除Flash吗?怎么操作?

你好!我用的仿真器是XDS100V3和TMS320f28335,之前可以连接,在一次烧写Flash卡死后,就不能连接了,报错:

Error connecting to the target:
(Error -233 @ 0x0)
The JTAG IR and DR scan-paths cannot circulate bits, they may be broken.
An attempt to scan the JTAG scan-path has failed.
The target's JTAG scan-path appears to be broken
with a stuck-at-ones or stuck-at-zero fault.
(Emulation package 5.1.507.0)

请问是芯片被锁死了吗?怎么确定?

Taotao Wang:

回复 Eric Ma:

谢谢你的回答,应该是锁死了,擦除Flash失败提示:设备已锁或未连接。

你好!我用的仿真器是XDS100V3和TMS320f28335,之前可以连接,在一次烧写Flash卡死后,就不能连接了,报错:

Error connecting to the target:
(Error -233 @ 0x0)
The JTAG IR and DR scan-paths cannot circulate bits, they may be broken.
An attempt to scan the JTAG scan-path has failed.
The target's JTAG scan-path appears to be broken
with a stuck-at-ones or stuck-at-zero fault.
(Emulation package 5.1.507.0)

请问是芯片被锁死了吗?怎么确定?

gang shen:

回复 Eric Ma:

你好,能不能请问下,仿真器连接的时候出现error 1155
Error connecting to the target:
(Error -1155 @ 0x0)
Device may be operating in low-power mode. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK).
(Emulation package 5.1.232.0)
这种情况是什么问题呢?
板子和仿真器都确认过在ccs 3.3平台是OK的
但是转移到5.5就出现这样的问题。谢谢

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