MBF110PFW1STG View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MBF110PFW1STG

Solid-State Fingerprint Sensor

Fujitsu 

Solid-State Fingerprint Sensor

Power Up and Initialization

Power-Up

Write DTR with PD bit set

Set DTR[7] (PD) to power down device.

Wait 1 µs

Wait for chip to power down.

Write DTR with

PD bit clear

Wait 10 µs

Clear DTR[7] (PD) to return from power-down.

y DTR[6:0] initialized to known values.

inar Wait for chip to return from power-down.

Write DCR with TRST set

elim Write DCR with

Pr TRST clear

Set DCR[5] (TRST) to halt and reset the discharge

timer.

Clear TRST for normal dicharge timer operation.

DCR[4:0] initialized to known values.

Clear RSR

Initialize RSR to zero.

Initialization Done

12 Fujitsu Microelectronics, Inc.

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