P00 settings completely correct, why can not enter interrupt?
First, make sure P00 interrupt settings are correct, such as P00IEN is set ...
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Does SONIX MCU have interrupt priorities? How to set?
SONIX MCU hardware does not have interrupt priorities. However, in applicat...
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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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Why chips can not enter interrupt?
First, check the corresponding interrupt source control bit whether set to ...
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Program can not enter interrupt routine, what aspects need to check?
Users need to check the following aspects: 1. Check whether the globa...
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Can "Call" instruction be executed in Interrupt Service Routine?
Because of sonix MCU Stack number limitations, users should pay special att...
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How to select in Code Option when using 1M crystal?
When the selected external oscillator frequency is less than 1MHz, the choi...
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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 much is SONIX MCU's I/O pull-up resistor?
This point has been described in chip's specifications (Electrical Characte...