I set the width of the lines marked with 5V and 3.3V in the PCB according to the current value, but I have a question: although some lines do not have x.xV in the PCB board, they are connected to a co...
Is there any expert welder? I am going to start welding 0805 and 28-pin TFP. Is there any expert who can give me some advice before I start? Hehe, thank you in advance! In addition, please help me sol...
Everyone, when I use axd to debug the program, I can't view the registers using memory. For example, when I view the GPGDAT register and enter 0x56000064, the memory address will become 0x0 again. Wha...
I made a 2440 board myself, with two SAMSUNG K4S511632D-UC75 64M SDRAM. Now it always crashes at the BOOTLOADER stage, either freezing during the countdown or crashing while reading the FLASH. I teste...
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I wrote an SCI receive interrupt and used CW single-step debugging, but there is a problem. After the interrupt is entered, there is a step to determine the receive status register. The value of this ...