[SI-LIST] Issues WITH HPI Bus b/w ARM and TI DSP
- From: "sudarshan" <sudarshan@xxxxxxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Tue, 17 Jun 2003 23:42:46 +0530
hello,
We are interfacing an ARM processor to a TI DSP on the HPI interface.
The bus runs on 60 Mhz b/w ARM and the DSP.
In this scenario the ARM processor acts as a master and the TI DSP as a slave.
While we access the HPI Data register in the continuous access mode[ In this
HPI address will be set and it runs in incremental address mode, so that on
every data access address is incremented regularly], some times it is not
possible to read the Data registers properly, either it gives us the previous
stored data or the next address data. Once the data is not access properly the
entire data is lost during this process.
Kindly suggest us to overcome this problem.
Thanks in advance for the help
Regards
sudarshan
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