ACM1252U-Z2 User Manual
Version 1.00
www.acs.com.hk
Page 6 of 13
3.0. Architecture
NXP’s LPC11U37 is for main processor for communication with PC, and control the contactless chip
and peripherals. PN512 act as a contactless chip to perform the communication between contactless
tags and LPC11U37
For communication architecture, the protocol between ACM1252U-Z2 and PC is using CCID protocol.
All the communication between PICC is PCSC Compliant
Advanced
Card
Systems
Limited