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TMS320DM648: Transition from TMS320DM648ZUT7 to TMS320DM648ZUTD9

Part Number: TMS320DM648

Hi Team,

The datasheet shows that the difference between TMS320DM648ZUT7 and TMS320DM648ZUTD9 are the operating frequency and temperature range. Due to unavailability of TMS320DM648ZUT7, our customer would like to know if they can drop in the TMS320DM648ZUTD9 without having to change any firmware, software or recompile. i.e. will it work without having to change anything?