What is the specific meaning for ViL/ViH in SONIX MCU electrical characteristic?
◆ ViL——when I/O port is input mode, the input voltage changes from 0 to VDD...
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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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How to determine which battery provides power for USB dual power supply?
1) Using keys: judge the state of the key before power on. If it is high, t...
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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 should be paid attention to when using USB ISP function?
1. IC type should be consistent with the statement in SN8 file; 2. PID and ...
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How many methods can be used for PC power-saving? In which method can USB devices be wake up?
There are three ways for computers power saving, of which only S1 can be wa...
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What issues need to be paid attention for USB not be recognized reason when using 2200 ICE for U + P LIBRARY emulation?
1. Before execute Ps2_Check, PS2ENB bit can not be enabled, otherwise USB m...
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Can SONIX USB IC Vreg3.3 provide power supply for peripheral device?
Currently, SONIX low-speed USB IC (2200 series) Vreg3.3 can not power its p...
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How to simulate SONIX USB IC?
1. SONIX USB IC simulation need special simulator, which differs from the c...
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What may be the common reason for MCU and Sensor communication failure problem?
Note: 1.Whether MCU and Sensor operating voltage matches; 2.Read and write ...