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Firmware upgrade through SPI on TMS320F28335

Other Parts Discussed in Thread: TMS320F28335

Hello,

I need to configure the TMS320F28335 JTAG pins in a way that will allow me to program the on chip flash via SPI Interface. The plan is to have another micro processor, receive a firmware upgrade file for the TMS320F28335 DSP, and then program the TMS320F28335 via SPI.

First off, is this possible on the TMS320F28335? and if so, how do I go about implementing it? what pins do I need to pull up/pull down.

Please help

 

Thank you,

Kamal Premachandra