TM4C1294ncpdt新画板子不能下载程序

2019-03-23 22:18发布

站内问答 / TI MCU
4462 11 997
CCS连接测试如下The controller cannot monitor the value on the EMU[1] pin.
The controller cannot control the timing on output pins.
The controller cannot control the timing on input pins.
The scan-path link-delay has been set to exactly '0' (0x0000).-----[Perform the Integrity scan-test on the JTAG IR]------------------------This test will use blocks of 64 32-bit words.
This test will be applied just once.Do a test using 0xFFFFFFFF.
Scan tests: 1, skipped: 0, failed: 0
Do a test using 0x00000000.
Scan tests: 2, skipped: 0, failed: 0
Do a test using 0xFE03E0E2.
Scan tests: 3, skipped: 0, failed: 0
Do a test using 0x01FC1F1D.
Scan tests: 4, skipped: 0, failed: 0
Do a test using 0x5533CCAA.
Scan tests: 5, skipped: 0, failed: 0
Do a test using 0xAACC3355.
Scan tests: 6, skipped: 0, failed: 0
All of the values were scanned correctly.The JTAG IR Integrity scan-test has succeeded.-----[Perform the Integrity scan-test on the JTAG DR]------------------------This test will use blocks of 64 32-bit words.
This test will be applied just once.Do a test using 0xFFFFFFFF.
Scan tests: 1, skipped: 0, failed: 0
Do a test using 0x00000000.
Scan tests: 2, skipped: 0, failed: 0
Do a test using 0xFE03E0E2.
Scan tests: 3, skipped: 0, failed: 0
Do a test using 0x01FC1F1D.
Scan tests: 4, skipped: 0, failed: 0
Do a test using 0x5533CCAA.
Scan tests: 5, skipped: 0, failed: 0
Do a test using 0xAACC3355.
Scan tests: 6, skipped: 0, failed: 0
All of the values were scanned correctly.The JTAG DR Integrity scan-test has succeeded.[End: Texas Instruments XDS110 USB Debug Probe_0]
CCS调试错误如下CORTEX_M4_0: Error connecting to the target: (Error -2062 @ 0x0) Unable to halt device. 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 7.0.100.0)
用MDK能扫描到芯片ID。
实在解决不了了？希望哪位有类似经历的大佬给点解决思路，谢谢。


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11条回答
alan000345
1楼-- · 2019-03-25 10:51
看提示The controller cannot monitor the value on the EMU[1] pin，应该是你画的板子有线没有连接到单片机的引脚，你查查pcb板吧，应该是有没有连线的情况，不行用飞线接起来，试试吧。
LiHuiyang
2楼-- · 2019-03-25 15:33
strong161 发表于 2018-9-11 09:36
项目用开发板很正常呀，撸码的与画板子的分开，撸码的可以先撸起来，画板子的硬件没有问题的时直接换个板 ...

程序是用开发板调的，也画了自己的板子准备用在项目上，结果下不了程序，很尴尬啊。电源电压3.246V，晶振也起振了。
LiHuiyang
3楼-- · 2019-03-25 18:12
 精彩回答 2  元偷偷看……
LiHuiyang
4楼-- · 2019-03-25 18:22
蓝雨夜 发表于 2018-9-11 09:32
那就要看看你硬件了！最小系统查查看了！

查了，我怀疑是不是芯片FLASh锁了，不能下载程序。
bulubulubulu
5楼-- · 2019-03-25 22:06
用示波器看一看Jtag口几条线的波形
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