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EM4095 Driver

 
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EM4095 Driver
PostPosted: Tue Oct 26, 2004 10:32 am     Reply with quote
Does anyone have already use the em4095 and em4050 drivers avalaible with PCW? These drivers are compatible with 16F876A, is there any hardware conditions to respect for the layout of the pcb, quartz freqeucny .....
Humberto



Joined: 08 Sep 2003
Posts: 1215
Location: Buenos Aires, La Reina del Plata

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PostPosted: Tue Oct 26, 2004 4:03 pm     Reply with quote
Quote:


These drivers are compatible with 16F876A,


Yes, there are.

Quote:

is there any hardware conditions to respect for the layout of the pcb, quartz freqeucny .....



www.emmicroelectronic.com/Products.asp?IdProduct=86-34k

you will find the Gerber 274X files providing tooling for the PCB production of the RFID.

Hope this help,

Humberto
Guest
PostPosted: Wed Oct 27, 2004 5:44 am     Reply with quote
Hi Guest,

I made some month ago a design (125khz card reader) based with em4095. I've used a PIC16F876A and concerning the hardware, these no special recommandation.
But you sould take care of two things:
Try to use the 4095 PCB provided by emmarin.
Follow the decoding block diagram provided by emmarin or U2270b in a external datasheet that explains how to decode manchester data.
FYI, EM4095 is more reliable and stable than U2270B.

Stefan.
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