STC8A8K64D4 Series Manual
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Drive capability control bit:
0: Enhanced drive ability
1: General drive ability
9.1.7 Port digital signal input enable control register (PxIE)
Digital signal input enable control:
0: Disable digital signal input. If the I/O is used as an analog port such as a comparator input port, ADC input port, touch
key input port or external crystal oscillator input pin, it must be set to 0 before entering the clock stop mode, otherwise
there will be additional power consumption.
1: Enable digital signal input. If the I/O is used as a digital port, it must be set to 1, otherwise the MCU cannot read the
level of the external port.
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