How to select parameters to get 4MHz RC oscillator frequency at VDD = 5V power supply?
When use external RC oscillator circuit to obtain system clock, It is sugg...
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System board using RC oscillator, how to solve the simulation and real chip operating frequency error problem?
It is proposed to use crystal when simulation, the actual chip with RC osci...
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What issues should be paid attention to when using RC oscillator?
RC oscillation frequency is mainly influenced by the following conditions: ...
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What is the meaning for "1T" mentioned in SONIX MCU specifications?
The meaning of "1T" is MCU maximum operation clock speed, that is Fcpu = Fo...
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PS/2 library of 2200 series MCU can not simulate, what aspects should be checked on hardware?
Check the emulator hardware (whether the short caps of AVREFH/VDD, AVREFL/V...
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What is the state for Xout pin in the external RC oscillator mode?
In external RC mode, the oscillation signal is input to MCU internal throu...
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What is the data transmit format for PS2 mouse in different systems?
According to different Host systems, PS2 Mouse support different function m...
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When you want a higher rate of program frequency(Fcpu to 16M or 8M) and real system would work in complex situations more serious flood and disturbance, whether enable Noise_Filter will give a great i
When users system works in high noise environment, it is suggested to open ...
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What should be considered when USB device can not be recognized?
Users can check the following aspects: 1． USB device power supply is betwee...
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What is the minimum voltage to keep the information in IC RAM? Is there a general range for reference?
The minimum RAM data maintenance voltage varies by MCU types, users can ref...