Manual

7.0. USB Interface

The AET65 is connected to a computer through a USB following the USB standard.

7.1. Communication Parameters

The AET65 is connected to a computer through USB as specified in the USB Specification 2.0. The

AET65 is working in full speed mode, i.e. 12 Mbps.

Pin Signal Function

1 V

BUS

+5 V power supply for the reader

2 D-

Differential signal transmits data between AET65 and PC.

3 D+

Differential signal transmits data between AET65 and PC.

4 GND

Reference voltage level for power supply

Table 1. USB Interface Wiring

Note: In order for the AET65 to function properly through USB interface, the ACS PC/SC

Device Driver has to be installed.

7.2. Endpoints

The AET65 uses the following endpoints to communicate with the host computer:

Control Endpoint For setup and control purposes

Bulk OUT For command to be sent from host to AET65 (data packet size is 64 bytes)

Bulk IN For response to be sent from AET65 to host (data packet size is 64 bytes)

Interrupt IN For card status message to be sent from AET65 to host (data packet size is 8

bytes)

Document Title Here

AET65 Reference Manual

Version 1.00

Page 10 of 19

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