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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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 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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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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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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In AD application, what should be paid attention to?
black_text">1. After AD enabled, delay 200uS or more to wait ADC circui...
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How to connect VLCD pin when simulate LCD function?
In the current Sonix 8-bit 2 series products, SN8P2308 and SN8P2808 have LC...
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In ADC simulation, what matters should be paid attention to on the aspects of the simulator?
As the analog signals are vulnerable be effected of external circuit, so in...
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When choosing EXT_VERFH to simulate ADC function, why VERFH port voltage is 5V all the time?
There are four groups of needle jumper next to emulator power switch, one o...
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How to set ADC port before the chip enter sleep mode?
As AD input signal is analog signal, in order to prevent leakage current, u...