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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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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How much is Sonix MCU I/O port drive current?
I/O port drive current can be divided into source current and sink current,...
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What should be noted when switch IO port from output mode to input mode?
1.Steps for input mode switching to output mode: (1) Initial I/O status,...
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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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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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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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Does SONIX MCU have interrupt priorities? How to set?
SONIX MCU hardware does not have interrupt priorities. However, in applicat...
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For 2 series MCU, will TC0 continue to count and wake up the system from Green Mode?
For most MCU, when the system goes into green mode, the wake-up source can ...
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What is the clock source of Sonix MCU Timer/counter? How to set the timer frequency divider?
Timer / Counter TC0 has dual clock source, user can select internal clock o...