TMS320F280049: Each Boot mode pin status

Have you used the DCSM tool to change the boot configuration?

Nima,

 I don't use DCSM function.

You can consider my question is just for device which flash context is blank.

I guess I'm a bit confused. What are you trying to do with the GPIOs? Based on the status of them at RESET you perform different types of boot.

I just  want to know for the blank chip, in each boot mode , which IO pin will be configured by TI Boot Rom code and the  these IO pin detail  status.

Customer need to know each mode IO status to decide the HW design. and choose the boot mode they needed.

I feel confused, this question is very hard to answer or not?

Okay on a blank chip It should be GPIO24 and GPIO32 and when the device powers up, these pins are in input mode and the device checks the status of them to see what boot mode you want. Thats why on our EVM, we put switches on these GPIOs so you can pick before you turn it on. Most users have it on 0b11 which is FLASH boot.

Sorry, i understand the boot mode pin and  status.

What i want to know is the GPIO status which will be configured by Boot Rom code under different boot mode ?

For example, for CAN boot mode, except CAN pin any other GPIO  will be configured by Boot Rom code?

Vivek Singh can you answer this about the boot rom?

Huihuang Chen said:

For example, for CAN boot mode, except CAN pin any other GPIO  will be configured by Boot Rom code?

Vivek Singh can you help answer below? 

Nima Eskandari said:

Huihuang Chen said:

For example, for CAN boot mode, except CAN pin any other GPIO  will be configured by Boot Rom code?