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 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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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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Why chips can not enter interrupt?
First, check the corresponding interrupt source control bit whether set to ...
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Why program can run into external INT0 interrupt program while FP00IEN has already been cleared?
SONIX 8-bit MCU interrupt is that once received P0.0 interrupt condition, i...
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Can sonix PWM module (which is integrated in MCU) output a variety of frequencies? Is it controllable and adjustable?
Yes, for Sonix MCU, there are many ways to change PWM output frequency. PWM...
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How to update the duty and cycle in using PWM functions?
PWM duty cycle can be changed by TC0R, period cycle can be changed through ...
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What is the highest PWM output pulse frequency of SN8P2714 (keep 8-bit precision) when plug 16M crystal? What is the difference with other chips?
When plug 16M crystal, under the conditions of Fcpu = Fosc / 4, 2714 can ou...
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When using a counter to output PWM wave, can it be used as interrupt source?
When a counter is used as a PWM output at the time, the counter can also be...