User's Manual

DE-ABCM User Manual
Version. 1.02 DUALi Inc.
(http://www.duali.com)
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2.2 The block diagram of main Module, sub board(Epass12) and antenna
2.3 Description of main Module
CPU : 32bit RISC CPU, It is stm32f103 which is ARM-based 32-bit MCU with Flash, USB, CAN,
seven 16-bit timers. This CPU has 64Kbyte Flash memory, 20Kbyte SRAM, 2 UART, USB 2.0 interface.
- PN512 RF IC : This Philips IC can control RF card like MIFARE card, type A/B card and FeliCa card
simultaneously.
- USB Connector : It’s a Communication part for USB communication.
- SAM card control part: It can control 2 SAMs. And each slot can be operated independently.
- Status LED : It has 2 LEDs to display status of communication and RF card status.