* Question What are the ways of side channel attacks? * Answer Side channel analysis: It is a non-intrusive attack initiated by an attacker when measuring delay, power consumption, or transmitted sign ...
* Question What can be in COS? * Answer (1) The comparison processing of the shipping password when the chip is transported to the user (referring to the publisher). (2) Personalized processing (inclu ...
* Question What is the test principle of COS? * Answer (1) The test requirements are detailed and comprehensive, and all functions of the card should be tested.When an incorrect command is entered or ...
* Question What is the difference between a normal power inductor and a high current inductor? * Answer The difference between ordinary power inductors and high current inductors has the following cha ...
* Question What is key management? * Answer Key management is a comprehensive technology that involves the entire process of key generation, inspection, distribution, transmission, storage, use and de ...
* Question What is an antenna? * Answer An antenna (Antenna) is a device that transmits or receives a radio frequency signal in the form of electromagnetic waves, that is, a device that can convert a ...
* Question What options does the 28x family of devices offer to generate clocks? * Answer Using the on-chip crystal oscillator or an external clock input to the XCLKIN pin, the basic input clock frequ ...
* Question What is the use of the inverter? * Answer The use of the frequency converter can be divided into two categories: one is used as a static power source, that is, the DC is inverted into an al ...
* Question What are the disadvantages of LD0? * Answer The disadvantage of LD0 is its low efficiency and can only be used for bucking applications.The output voltage can only be lower than the input v ...