The MPC8360E boot failure
We use the MPC8360E chip in mass production, there has been a new problem, we urgently need your technical assistance.
MPC8360 can't booted,But it kept reading NorFlash(boot from NorFlash),I observed NorFlash's chip-select signal by oscilloscope,and compared the signal with other normal equipment.
Failure board: CS signal pulse width is very narrow.
Normal board: CS signal pulse width wider.
Test environment: The same boot files, the same material and configuration.
Test number: We produce 50pcs board,appear 2 of problems(the same situation) board and 48pcs normal board.