Sky Hsu Posted July 16, 2015 Share Posted July 16, 2015 Hi, I use JTAG HS2 with Synopsys Metaware for ARC debugging. I can download the information successfully. However, the speed is very slow. The download speed is about 1KB/s. I checked the protocol with logic analyzer and found the root cause is that the gap between IR and DR is about 1ms. One DWORD takes IR-DR-IR-DR. Was the gap caused by HS2 HW, driver or software? Thanks! Link to comment Share on other sites More sharing options...
jpeyron Posted July 17, 2015 Share Posted July 17, 2015 Hi Sky Hsu, I'm sorry to hear that the download speed is about 1KB/s. The programing solution is provided by digilent but the download speed is determined by Synopsys. Have you contacted Synopsys customer support? Thank you, Jon Link to comment Share on other sites More sharing options...
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Sky Hsu
Hi,
I use JTAG HS2 with Synopsys Metaware for ARC debugging.
I can download the information successfully. However, the speed is very slow. The download speed is about 1KB/s.
I checked the protocol with logic analyzer and found the root cause is that the gap between IR and DR is about 1ms.
One DWORD takes IR-DR-IR-DR.
Was the gap caused by HS2 HW, driver or software?
Thanks!
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