AFE7444: Struggle in correct set 'Start-Up E-Fuse Shift' section.

yeonyeol jeong

Prodigy 50 points

Part Number: AFE7444

Hello Team,

I'm in struggle that figure out how to correct set the AFE7444 chip SPI configuration.

It would be very appreciate it, if you guys lead me to right way.

In AFE7444 Programmers guide document(slau793a), Start-Up E-Fuse Shift section,

I've tried below command to achive AFE7444 chip to confirm Start-Up E-Fuse Shift section. (Please see attached image below)

Please carefully look at my red square box.

c2 offset regiseter in Traffic control page, this register value always return 0x00 value.

Please give me any advice,

thanks.

PS: I use custom board not EVM.

over 3 years ago

0 David Chaparro over 3 years ago

TI__Mastermind 18071 points

Hi Yeonyeol,

The easy way to get the writes/reads needed to program the AFE is to use the GUI to generate a log file that contains all the writes and reads. The instructions on how to generate the log file can be found at the end of this e2e post: https://e2e.ti.com/support/rf-microwave-group/rf-microwave/f/rf-microwave-forum/849298/afe7444evm-setting-the-right-configuration-using-afe7444-evaluation-gui/3157633#3157633

I would suggest following this method to get the writes/reads needed to program the AFE in your required mode and see if this fixes the issues you are having.

Regards,

David Chaparro

RF & microwave

RF & microwave forum

AFE7444: Struggle in correct set 'Start-Up E-Fuse Shift' section.