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LATCHUP RECOVERY MECHANISM FOR FINGERPRINT SENSOR BASED ON STATE MONITOR AND HANDSHAKE
LATCHUP RECOVERY MECHANISM FOR FINGERPRINT SENSOR BASED ON STATE MONITOR AND HANDSHAKE
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机译:基于状态监测和握手的指纹传感器锁存恢复机制
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摘要
Devices and methods are provided for recovering from latchup state in fingerprint sensor devices. For example, a disclosed device can be operated to perform operations that include, receiving, at a microcontroller of the fingerprint sensor device, raw sensor data from a sensor array in communication with the microcontroller, comparing the received raw sensor data against a predetermined threshold, and, based at least partly on the comparing, resetting power supplied to the fingerprint sensor device to recover from a latchup state.
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