What matters should be paid attention to when using SONIX MCU's ADC function in the software and hardware design?
1. Software note: A certain of stable time is required in A/D convert,...
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When using multi-channel AD converter, will mutual interference occur?
Yes, it will. The solution is: before one AD convert finished and switch to...
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For Sonix MCU with AD function, can AD pin be connected with a negative voltage? If VDD = 5v power supply, what is the chip's AD data when input (+5 V) (-5V)?
SONIX MCU AD input port can not input negative voltage. If you connect +5 V...
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Why com and seg control point can not display correctly when using LCD module?
Customer need to consider the two aspects: hardware and software. 1 Ha...
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When MCU I/O port is OPEN DRAIN output, is it allowed to supply higher voltage for its external pull-up resistor than IC supply voltage?
Sonix IC's open drain are pseudo open drain, external pull-up resistor volt...
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How to set I/O port to save power?
Correct I/O port settings can avoid I/O extra current leakage: 1.For idle ...
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How to connect single key and MCU to prevent I/O port damage effectively?
In product development, the key is the most common functions, taking such c...
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How much is SONIX MCU's I/O pull-up resistor?
This point has been described in chip's specifications (Electrical Characte...
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Using Reset pin as input port (via ground key), why can not read low level?
1.Check Reset_Pin in Code Option if it is chosen right;2.For OTP MCU, this ...
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Connect pull-down resistors to I/O port, why can not read low level when there is no external signal?
SONIX MCU general I/O port built-in pull-up resistors, the equivalent resis...