Practice - PCON (Power Control Register)
Practice Questions
Test your understanding with targeted questions
What does the PCON register control in the 8051?
💡 Hint: Think about what registers generally manage.
What does the SMOD bit do when set to 1?
💡 Hint: What happens when you increase speed in communication?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What register contains the SMOD bit?
💡 Hint: Where do you usually find serial communication settings?
True or False: The SMOD bit, when set, can reduce the baud rate.
💡 Hint: Does increasing speed reduce speed?
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Challenge Problems
Push your limits with advanced challenges
You have two devices, one set with SMOD = 0 and the other with SMOD = 1, both connected at a baud rate of 9600 bps. Describe what will happen if they try to communicate.
💡 Hint: Think about how different settings can affect communication.
Calculate the initial baud rate and determine whether SMOD would be favorable if your application requires rapid data transmission at 115200 bps.
💡 Hint: Did you check how SMOD affects your base baud rate?
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Reference links
Supplementary resources to enhance your learning experience.