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カードリーダー Advanced Card Systems Ltd. ACR123のPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Advanced Card Systems Ltd. ACR123 13 ページ。

3.0. Architecture

STM32 be the main processor for communication with POS, control the contactless chip, SAM and

Peripherals. RC531 act as a contactless chip

To perform communication between Main processor and contactless tag

Carrier

Frequency

= 13.56MHz

For software architecture, ACR123 built-in simple OS that used for tasks management, resource

management, etc. Tasks included PICC Polling, SAM checking, Serial and USB communication flow,

etc.

ACR123 User Manual

Version 1.00.00

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