In order to see interrupt signal from INT1 pin or INT2 pin, you need to configure register 0x53 or 0x54 to set the pin to be "Output enable" and "active high". In addition the step counter will show up when you do more than 7 steps. If you do 5 steps and stop for example, then the step counter will be 0. If you do 7 steps or more everytime, then the step couinter will show the correct value. This is the internal step counter buffer to avoid accident steps.
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