User's Manual

Company Atmel Beijing

Model

AT88CRF-USB232 Date Ver Rev

Designer James Liu 17-April-2008

Approval Lucy Wang 17-April-2008

1 1

User Manual 1

“AT88CRF-USB232” RFID reader has two kinds of interface.

And the interface is selected automatically by the first command.

If the reader received USB commands after power on,

the interface is fixed to USB 1.1.

If the reader received RS-232C commands after power on,

the interface is fixed to RS-232C.

The software version of this document is

“USB/RS232 Reader.V1.04”.

PAGE 1
User Manual 1 “AT88CRF-USB232” RFID reader has two kinds of interface. And the interface is selected automatically by the first command. If the reader received USB commands after power on, the interface is fixed to USB 1.1. If the reader received RS-232C commands after power on, the interface is fixed to RS-232C. The software version of this document is “USB/RS232 Reader.V1.04”.
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User Manual 2 Connector Pin Layout Shield GND Signal GND USB D+ USB DVBUS (5Vdc) TXD RXD Signal GND ( for cable shield ) ( USB ) ( USB ) ( USB ) ( USB / RS232C ) ( RS232C ) ( RS232C ) ( RS232C ) LED1 Interface USB mode : Pin 4-8 have to be connected. RS-232C mode : Pin 1-4 and Pin8 have to be connected.
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User Manual 3 Interface condition USB The condition is compliant with USB 1.1. RS 232C Baud rate Data length Parity Stop bit : 38400 bps : 8 bit : none : 1 bit LED1 LED condition LED1 (Blue) This LED show the Field status. ON : Field ON. OFF: Field Off. LED2 (Green) ON : Power is supplied. OFF: Power is not supplied.
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User Manual 4 Application Software For controlling this reader , the DLL file”HG_Crypto_Reader.dll” is prepared. This program supports three kinds of command. 1) Open port ( Select USB or RS-232C ) 2) Close port 3) Communication function Field open , Field Close , SW status check (USB only) , RFID communication , etc. More detail information is described in the Software Manual of AT88CRF-USB232.