2. Fingerprint processing consists of two processes: fingerprint login process and fingerprint matching process [where fingerprint matching is divided into fingerprint comparison (1:1) and fingerprint search (1:N)].
When the fingerprint is registered, each fingerprint is entered twice, and the recorded images are processed twice, and the composite template is stored in the module.
When the fingerprint is matched, the fingerprint image is entered and the fingerprint image is verified and processed, and then matched with the fingerprint template in the module. If the template matches the template specified in the module, it is called the fingerprint comparison method, which is 1:1. Mode; if matching with multiple templates, called fingerprint search mode, ie 1:N mode), the module gives the matching result (pass or fail).
Three technical parameters
Supply voltage: DC 3.3V
supply current: Operating current: <60mA
peak current: <60mA
fingerprint image entry time: <1.0 seconds
Window area: 15.3╳ 18.2 mm