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FUJITSU MBF200 fingerprint sensor - Help Needed

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CM600

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fujitsu mbf200

Hi all
I've got this MBF200 fingerprint sensor from FUJITSU connected to 8051 MCU trough the 8-bit bus interface. My problem is that when i init the MBF200 the automatic finger detect circuit gives interrupt when there is not finger present on the sensor.
 

mbf200

i also find this,
when power up ,the pin /INTR always 0

I AM now do some work about MF200+89C51
 

mbf-200

Yes! I have also found this!
If I let AFDEN=1,when I write ICR with 0X09, INTR will be low-signal for ever. Though I write ISR with 0x01, INTR will not be high-signal. Do you have any progress? Keep contacting,please.
 

Re: MBF200 Help Needed URGENT :(((

:((((((( No progress at all......
 

Hi,CM600
Where are you from?
I am from China.
 

CM600:
How about your project now?

Can u list your prog of sensor init?

Regards

Robin.Huo
 

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