nowFlash is unable to connect to target - Error199

Dominik Fuchs

Prodigy 175 points

Other Parts Discussed in Thread: HALCOGEN

Hello

I am currently evaluating the RM48 USB MCU Development Kit and get an error when trying to flash the device.

I use nowFlash and get the following Error:

Error 199 - Unable to connect to target on port address 0x000.

I was able to connect to the target until I changed the Clock Soure in HalCoGen from PLL1 to LPO_High and flashed the new build to the USB Kit.

When I was using the PLL1 option, the device worked with a core frequency of 160 MHz.

Thanks in advance,

Fuchs Dominik

over 13 years ago

0 Zhaohong Zhang over 13 years ago

TI__Mastermind 22715 points

Dominik,

After power-on-reset, CPU start executing from address 0x0. When you try to connect nowFlash, your application already has set up something so that nowFlash cannot work properly. You can try the following method.

(1) Hold nRST button on the board.

(2) Start nowFlash

(3) Release nRST button once you see the "connect " sign in the nowFlash status window.

Please let me know if the above works for you.

Thanks and regards,

Zhaohong

0 Dominik Fuchs over 13 years ago in reply to Zhaohong Zhang

Prodigy 175 points

Hi Zhaohong,

Thanks for your help, it works now.

Regards

Fuchs

Arm-based microcontrollers

Arm-based microcontrollers forum

nowFlash is unable to connect to target - Error199