Hoping that someone can put me out of my misery. I have been searching the internet for the past 5days for an answer to this question and feel like I am starting to lose my mind. Can anyone explain why the attached schematic has a 1N4148 on each of the SDI_5V, SCLK_5V and CS_5V lines...
QFN Device in-question
Data-Read-Outs I want to test for seen on page 67
we are using MT25QU256ABA8ESF SPI flash as boot flash. It operates in QPI mode @ 120Mhz.
As part of DVT we are measuring timing parameters for both Data Input & Data Output at Flash pins (No option to measure at the controller pins).
Data Input parameters tDVCH(setup), tCHDX(hold) are...
I am currently trying to get SPI data transfer between the MPC5744p and a Raspberry Pi 4 to work.
I'm using the SPIdev python toolkit to send the value 26 over to the MPC, using the attached SPItest.py script.
To receive this, i've modified the code of the SPI_MPC5744P example to only...
My old PC motherboard's bios chips were corrupted and it's an old 1155 socket so there were no available replacements.
I believe I have the necessary tools to attempt to erase and reprogram the chip, but I'm not sure what I need to do.
There isn't much STM32 resources online to guide me...