What are the main features of the ARM9E series of microprocessors?
* Question
What are the main features of the ARM9E series of microprocessors?
* Answer
Support DSP instruction set, suitable for high-speed [...]
What conditions should the CPU respond to interrupts?
* Question
What conditions should the CPU respond to interrupts?
* Answer
(1) An interrupt source issues an interrupt request;
(2) The int [...]
What are the important parameters in serial communication?
* Question
What are the important parameters in serial communication?
* Answer
The most important parameters for serial communication are ba [...]
What are the ultrasonic probes?
* Question
What are the ultrasonic probes?
* Answer
Ultrasonic probes are piezoelectric, magnetostrictive, electromagnetic, etc., and ultras [...]
What are the characteristics of the PCA82C250/251?
* Question
What are the characteristics of the PCA82C250/251?
* Answer
(1) Fully compliant with IS0 11898;
(2) High rate (suitable for CAN [...]
Why do you have sequential execution statements in Verilog?
* Question
Why do you have sequential execution statements in Verilog?
* Answer
There are two reasons. The first is that many timing devices [...]
What is a cold reset?
* Question
What is a cold reset?
* Answer
Cold reset: When the power supply voltage and other signals of the IC card are added in a certain [...]
What is the independent luminescent material method?
* Question
What is the independent luminescent material method?
* Answer
The independent luminescent material method is also called R, G, B [...]
What is NVRAM?
* Question
What is NVRAM?
* Answer
NVRAM (non-volatile RAM) does not lose information after the power is turned off.This is different from m [...]
What are the shift instructions?
* Question
What are the shift instructions?
* Answer
The shift operation includes the following six types, LSL, ASL, LSR, ASR, ROR, and RRX. [...]
