User's Manual

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ACR1256U
Design Specification
Version 1.00.00
Page 6 of 12
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3.0. Architecture
Z8D256U is for main processor for communication with PC, controlling the contactless chip,
communication with
peripherals. PN512 act as a contactless chip to perform the communication
between contactless tags and Z8D256U.
For communication architecture, the protocol between ACR1256U and PC is using CCID protocol. All
the communication with PICC is PCSC
Compliant.