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TMS320F2800157: parallel boot mode for devices in RHB32(QFN) package

Part Number: TMS320F2800157


Tool/software:

Hi,

I am developing the bootloader for TMS320F280015x devices. I am using the parallel boot mode for loading the code to the RAM. I am reading the datasheet SPRSP68B and I have found that for the 32-pin QFN package, the pin "GPIO4" is missing. The parallel boot mode is using the pins:

D0 - GPIO0 
D1 - GPIO1
D2 - GPIO3
D3 - GPIO4
D4 - GPIO5
D5 - GPIO7
D6 - GPIO28
D7 - GPIO29

and control pins GPIO224 GPIO242.

So, where is the location of GPIO4 for QFN32 package? Or does it means, that the devices TMS320F280015x in QFN32 package is not able to use the parallel boot mode?

Thank you for the answers!

Best regards,

Tomas