FAQs for RH850 Debugger
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 PDF document ( 19KB / 14-Nov-2019 ) |
FAQs for RH850 Debugger |
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Is it possible to debug RH850 using JTAG-V850 N-Wire Debugger for V850? | |
| Ref: 0463 |
No, a different cable is needed. However, it is possible to debug V850 using JTAG-RH850 Debugger. You can find the adequate debug/trace solution by entering the name of your chip in the search bar of Lauterbach website. |
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What is the impact of disabling this RDY pin in RH850 target? | |
| Ref: 0464 |
The RDY- signal is a CPU-output-signal which informs TRACE32 when the CPU can accept the next JTAG command. The CPU informs the debugger that it is "READY" for execution of the next command. If SYStem.Option.RDYLINE is OFF, TRACE32 gets the "ready-status" by polling a CPU debug register. This polling-sequence is slower than reading the RDY- signal directly. The performance loss is around 10%. There are no restrictions on debug functionality, all can be done with and without RDY- line. |
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When displaying the content of the Data-Flash on my RH850 device, the values in some address are not stable. | |
| Ref: 0465 |
For RH850, "toggling values" is the normal behavior for not-programmed Data-Flash. Reading these addresses will return undefined results. This is also described in the CPU User-Manual. |
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The information presented is intended to give overview information only. Changes and technical enhancements or modifications can be made without notice. Report Errors Last generated/modified: 03-Dec-2019 |
