能识别芯片,下载不了程序

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cronus2|  楼主 | 2021-5-24 13:41 | 显示全部楼层 |阅读模式
* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: Found Cortex-M3 r2p1, Little endian.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
ROMTableAddr = 0xE00FF003
* JLink Info: Core did not halt after reset, trying to disable WDT.
**JLink Warning: CPU did not halt after reset.
**JLink Warning: CPU did not halt after reset.
**JLink Warning: CPU could not be halted
* JLink Info: Core did not halt after reset, trying to disable WDT.
**JLink Warning: CPU did not halt after reset.
**JLink Warning: CPU could not be halted
* JLink Info: Core did not halt after reset, trying to disable WDT.
**JLink Warning: CPU did not halt after reset.
**JLink Warning: CPU could not be halted
* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: Found Cortex-M3 r2p1, Little endian.
* JLink Info: Core did not halt after reset, trying to disable WDT.
**JLink Warning: CPU did not halt after reset.
**JLink Warning: CPU did not halt after reset.
**JLink Warning: CPU could not be halted
* JLink Info: Core did not halt after reset, trying to disable WDT.
**JLink Warning: CPU did not halt after reset.
**JLink Warning: CPU could not be halted
* JLink Info: Core did not halt after reset, trying to disable WDT.
**JLink Warning: CPU did not halt after reset.
**JLink Warning: CPU could not be halted
**JLink Warning: CPU could not be halted
Error: Flash Download failed  -  Target DLL has been cancelled
Flash Load finished at 11:54:19

所有方法都试过了,BOOT0,BOOT1和RESET引脚电压都正常,J-FLASH也解不了锁,读取不了RAM,ISP下载也试过不行。下载口没有坏,能识别到芯片。我连串口和晶振的波形都看了,没有干扰。
现在改用GD32的单片机,所以需要研究下,是芯片坏了还是硬件故障导致的。

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没有找代理商做技术支持吗

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二豆| | 2021-5-26 09:48 | 显示全部楼层
有GDLink么

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