ACS ACR1251U-A Manual de usuario
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ACR1251U-A User Manual.doc
ACR1251U-A
UserManual
V1.00.00
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ACR1251U-A2CNCA500
Design Specification
Version 1.00.00
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www.acs.com.hk
Version History
Date By Changes Version
2012-1-3
Vincent Zhong
Lampard Ou
Kit Au
First Release 1.00.00
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ACR1251U-A2CNCA500
Design Specification
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Table of Contents
1.0. Introduction ...............................................................................................................4
2.0. Features .....................................................................................................................5
3.0. Architecture...............................................................................................................6
4.0. Connection with computer.......................................................................................7
4.1. plug the ACR1251U-A to a computer USB port, and the red light will be flashing................7
4.2. the driver will be auto install after plugging the reader. You should see the red box below .8
4.3. When you put a contactless card on the reader, the green LED will be on. .........................8
4.4. The card ID can be checked by some card tool software, e.g. APDU.exe, the card ID is
shown in the red box below.....................................................................................................................9
Appendix A. Parameter sheet.........................................................................................10
Appendix B. Firmware Upgrade Procedure...................................................................12
Method 1: Upgrade by “FW” Key....................................................................................................12
Method 2: Upgrade by APDU command........................................................................................12
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Design Specification
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1.0.Introduction
The ACR1251U is a dual-interface reader (IFD and PCD) that supports contact (SAM) and
contactless (PICC) smart cards.
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Design Specification
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2.0.Features
One standard SIM Size Connector.
ISO 7816 Parts 1-4 Compliant for Contact Smart Card Interface.
ISO 14443 Parts 1-4 Compliant for Contactless Smart Card Interface.
A built-in antenna for PICC contactless access applications.
The ACR1251U supports the following Tag Types:
oMIFARE Classic. E.g. MIFARE 1K, 4K, MINI and Ultralight.
oISO14443-4 Type A and B.
oFELICA、TOPAZ.
T=CL emulation for MIFare 1K/4K PICCs. Multi-Blocks Transfer Mode is provided
for efficient PICC access.
High Speed (424 kbps) Communication for PICCs. #Maximum 848 kbps.
User-Controllable Peripherals. E.g. LED, Buzzer.
Microsoft CCID Compliant for SAM interfaces.
PCSC Compliant for Contact Interfaces.
USB V2.0 Interface. (12M bps)
Device Firmware Upgradeable through the USB Interface.
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3.0.Architecture
AT90SCR is for main processor for communication with PC, and control the contactless chip,
communication with SAM card and peripherals. PN512 act as a contactless chip to perform the
communication between contactless tags and AT90SCR
For communication architecture, the protocol between ACR1251U and PC is using CCID protocol.
The communication between SAM is PCSC Compliant
ACR1251U
PCSC SAM
Interface
PSCS Layer
ISO7816 Part 1-4 SAM
(Optional) T=CL & T=1
Emulation
ISO14443
Part1-4
PICC Interface
SAM (Socket) PICC (Built-in
Antenna)
USB
Interface
(CCID)
Physical
Interface
ACR1251
Proprietary API
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Design Specification
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4.0.Connection with computer
4.1. plug the ACR1251U-A to a computer USB port, and the red
light will be flashing
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ACR1251U-A2CNCA500
Design Specification
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4.2. the driver will be auto install after plugging the reader. You
should see the red box below
4.3. When you put a contactless card on the reader, the green LED
will be on.
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Design Specification
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4.4. The card ID can be checked by some card tool software, e.g.
APDU.exe, the card ID is shown in the red box below
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Appendix A. Parameter sheet
Device
ACR1251U Smart Card Reader/Writer
Power supply
Supply voltage................................ Regulated 5V DC
Supply current................................ <200mA (without smart card)
Universal Serial Bus Interface
Type............................................... USB, four lines: +5V, GND, D+ and D-
Connector ...................................... supplied together with the reader
Speed............................................. Full Speed Device, 12 Mbps
Contact Smart Card Interface
Standard ........................................ ISO 7816 1/2/3, T=0 and T=1
Supply current................................ max. 50mA
Smart card voltage......................... 5V / 3V / 1.8V
Smart card read / write speed........ 9600 – 344kbps
Short circuit protection .................. +5V / GND on all pins
CLK frequency ............................... 4.8 MHz
Card connector............................... SIM Connector
Contactless Smart Card Interface
Standard...............................................ISO 14443 A & B Parts 1-4, ISO18092
Protocol................................................ISO14443 T=CL for ISO14443-4 compliant cards and T=CL Emulation for MIFARE
1K/4K, ISO 18092 FelCa and NFC tag
Smart card read / write speed................106 kbps, 212 kbps, 424 kbps and 848 kbps
Operating Frequency for Contactless Cards Access
Operating Frequency.............................13.56 MHz
Antenna
Antenna Size..........................................65mm x 60mm
Operating distance.................................up to 50 mm (Depend on Card Type)
Built-in peripherals
Monotone buzzer
Dual-Color LED
Case
Dimensions .................................... 98 mm (L) x 65 mm (W) x 12.8 mm (H)
Color .............................................. White Blue
Operating Conditions
Temperature .................................. 0 - 50C
Humidity......................................... 10% - 80%
Cable Connector
Length....................................................1.5m (USB)
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