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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What matters need to be paid attention to when using Sonix in-built real-time clock (RTC) function?
1 User can enable or disable RTC function by execute B0BSET FT0TB or B0BCLR...
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How to set RTC when IC simulation and application, what should be note for?
1．For MCU type with RTC function(2501B, 2308, 2808, 26Lxx), in simulation, ...
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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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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...
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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's the difference of timer function between Low-speed mode and normal mode? How to calculate time?
When the system switch to slow mode from normal mode, (refer to system oper...
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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...
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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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Program can not enter interrupt routine, what aspects need to check?
Users need to check the following aspects: 1. Check whether the globa...