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PGA970: 用CCS调试的时候,'step into' 会乱跳。并且DEMONx_DATA的值也是非常不稳定。

Part Number: PGA970

我们是用PGA970自己做板开发,
CCS V12.1.0.00007
Compiler version: TI v5.2.6
使用的硬件调试工具的具体型号是 XDS2xx,
烧录时没有报错,
指针乱跳的具体现象截图说明如下:
Target configuration:

Test connection success:

Build project success:
Download and start to debug OK:
But when I jumped into APP_Reset_Init() function and click 'Step into' button, it would go to line#180, then jump to line#187, which was weird.
and also, DAC_SIN_NDS2_2 register was always not be able to read:

in addition, the DEMOD1_DATA and DEMON2_DATA were quite not stable:

Hope you can help us! appreciated!