User's Manual

ManualsBrandsAdvanced Card Systems ManualsElectronicsContactless Smart Card Reader and Writer

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ACR122L

-

USB

-

ACS

4.0. Implementation

4.1. The ACR122L-USB is built based on the ST221 and PN5321

chips.

ST2211U

Host Controller

PN532

NFC Interface

Chip

Built-In

Antenna

SPI

SAM1

PC

Windows

operating

system

USB

USB

Firmware

Upgrade

Buzzer

&LED1

&LED2

&LED3

&LED4

PICC

Contactless Card

USB2.0

Contactless Interface

Carrier=13.56MHz

ISO7816 Interface

Logic switch

SAM2 SAM3

LCD