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ACR 20
ACR 20

ACR20 - Perhaps the most versatile smart card reader in the market, the ACR20 supports all MCU cards with T=0 or T=1 protocols, as well as most of the common memory cards available today. The optional Security Access Module (SAM) slot makes the reader a very powerful device for various high-security applications.

Order Information

Product Number: 1.1.S.AC.X1
Price per unit: 75.95 US $
55.95 £
6 months

Sorry, but this product has been discontinued. only single units availible.



higher volumes up on request
ACR 20 Alle Preise sind Netto-Preise. Verkauf nur an gewerbliche Abnehmer. Ask for project-pricing.

Product Information

This PC based smart card reader and writer from ACS is one of the most versatile products of this type available in the market today. This compact device can handle a very wide range of memory cards and microcontroller cards with T=0 and T=1 protocols. It can reside on a computer monitor or desk as a stand-alone device. With the built-in Security Access Module (SAM) slot, this device supports various high security applications, such as electronic commerce, secure information access, secure control access and multitudes of other applications.

It is available in two models:

ACR20S - ACR20 with RS-232 serial interface

ACR20S-S - ACR20 with RS-232 serial interface, with built-in SAM slot.

In its classic casing, the ACR20 is available in a variety of colors.

Customization can also be done, depending on customer requirements.

The ACR20 is also supplied in module form (ACM20). Retaining the full functionalities of the reader/writer, the reader module is ideal for integration in payphones, parking meters, vending machines, laundries, gaming machines, ATM's, sophisticated access control systems, and more.

ACR20S-S with RS-232


ACM20S Reader Module

Standard Features

ISO 7816-1/2/3 and PC/SC Compliant 

Certified by CE, FCC and Microsoft WHQL 

Read and write ALL microcontroller cards with T=0 and T=1 protocols 



Read and write the popular memory card types in the market: 

Siemens: SLE4406, SLE4436 (Eurochip), SLE4404, SLE4418,SLE4428,SLE4432, SLE4442,SLE5536(Eurochip II) Atmel: AT88SC06, AT24C01-16, AT88SC101, AT88SC102,AT88SC1604 

STMicroelectronics: ST1305, ST14C02C, ST14C04C, ST1333(T2G cards), ST1335 

Xicor: X76F041, X24645, X76F128, X76F640, X76F100 

Microchip: XIIC, 24C65, 24C01SC, 24C02SC 



Note: Card manufacturers using the above-mentioned chips may have different names for their cards. These cards are likewise supported by ACR30. 



Examples are: 

Gemplus: GPM103, GPM416, GPM896, GFM1K-8K, GPM2K, GPM8K 

Schlumberger: Primeflex Store Member 208/1K, Store 2K/8K, Entry, Open 2K/4K 



Interface library for efficient PC application software development 

32-bit DLL files for Windows 95, 98,Me, NT and 2000 

PC/SC compliant IFD handler 

Compatible with most PC platforms: Windows 95, 98, Me, NT, 2000 and XP, Linux 

Optional SAM slot for high security applications 

Technical Specifications


RS-232 (Serial) or USB 

Supply Voltage: 

Regulated 5V DC 

Supply Current: 

<100mA (without smart card) 

Operating Temperature: 

0 - 50 C 

CLK Frequency: 

3.68 / 4 MHz 

Standards / Certifications: 

ISO 7816-1/2/3, PC/SC, CE, FCC 

Operating System Support: 

Windows 95, 98, Me, NT, 2000 and XP, Linux