Has anyone had any success programming the eTPU on the MOD5234 into a resolver interface? I found an app-note on freescale.com that details the resolver interface for the eTPU, but the document describes using the freescale MPC5500 family of devices. These devices have additional analog and dma modules (eQADC, eDMA) in the microprocessor core.
"Using the Resolver Interface eTPU Function"
http://cache.freescale.com/files/microc ... rch=1&sr=1
Thanks for any info,
- cnavarrette
Programming eTPU on MOD5234 as a resolver?
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joepasquariello
- Posts: 85
- Joined: Mon Apr 28, 2008 7:32 am
Re: Programming eTPU on MOD5234 as a resolver?
The diagram on page 19 of the application note shows the use of the QADC on the 5553, and the connection of the QADC to eTPU via DMA. A resolver is an analog device, so you can't read it directly via the eTPU on the 5234. The eTPU does support quadrature encoders via the QD function.
Joe
Joe