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Low power standby
For low-power standby scenarios, the host can cut off the main power supply of the module (can
not cut off the touch-sensitive power supply). Once the module detects a finger, it outputs a signal
in the IRQ signal. Then the host can power on the module to perform fingerprint identification.
Power on the main power supply(VCC) of the module
Perform fingerprint registration and identification and so on
Whether to enter to low-power standby mode
Power off the main power supply(VCC) of the module
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