The GT-521nF Series are high performance fingerprint module with wake up on finger function developed by ADH Technology Co. Ltd. It is one chip fingerprint module designed for integration into products with UART interface.
The active area allows stable imaging and ability to cope with mass-market applications in need of both security and convenience.
The reader within the HT32F22366 device is high performance, low power consumption 32-bit microcontrollers based around an ARM® Cortex™-M3 processor core and the fingerprint algorithm is processed on it.