In the field of PCB design, impedance is the key factor determining whether signals can be transmitted stably. Many engineers have encountered issues such as signal reflection and crosstalk due to neglecting impedance matching, leading to repeated debugging of products. In fact, as long as you grasp the core logic of impedance calculation, you can … Read more
Chunhui and Shangdeng, a happy mother and sonEnsure sleep, stick to exercise, and learn happilyis a small goal for the three years of middle school~Every week, I go to the seaside football field to play a game with good friendsBefore school was out, I saw the score in the DingTalk group, a big letter: C.It … Read more
0x00 Background As a blank binary slate, there are times when we need to check various information about certain addresses. For example: Which segment does this address belong to? <span>.bss</span> or <span>.data</span>? Is a certain value on the heap or the stack? What is the corresponding address in IDA/Ghidra? Which mapping file does this address … Read more