
ACR39U-U1 – Technical Specifications info@acs.com.hk
Version 1.03 www.acs.com.hk
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5.0.Technical Specifications
Physical Characteristics
Dimensions .................................... 72.2 mm (L) × 69.0 mm (W) × 14.0 mm (H)
Weight............................................ 65 g (± 5 g allowance for cable)
Color .............................................. Black
USB Host Interface
Type............................................... USB CCID, Four Lines: +5 V, GND, D+ and D-
Connector Type.............................. Standard Type A
Power Source................................. From USB port
Speed............................................. USB Full Speed (12 Mbps)
Supply Voltage............................... 5 V
Cable Length.................................. 1.5 m fixed cable
Contact Smart Card Interface
Number of Slots ............................. 1 Full-sized Card Slot
Standard ........................................ ISO 7816 Parts 1-3, Class A, B, C (5 V, 3 V, 1.8 V)
Protocol.......................................... T=0; T=1; Memory Card Support
Supply Current............................... Max. 50 mA
Smart Card Read/Write Speed....... 9.6 Kbps – 600 Kbps
Short Circuit Protection ................. (+5) V/GND on all pins
Clock Frequency............................ 4.80 MHz
Card Connector.............................. Contact
....................................................... Landing (optional)
Card Insertion Cycles..................... Min. 100,000
....................................................... Min. 200,000 (for landing connector)
SAM Card Interface (Optional)
Number of Slots ............................. 1 Standard SIM-sized
Standard ........................................ ISO 7816 Parts 1-3, Class A, B, C (5 V, 3 V, 1.8 V)
Protocol.......................................... T=0; T=1; Memory Card Support
Supply Current............................... Max. 50 mA
Smart Card Read/Write Speed....... 9.6 Kbps – 600 Kbps
Card Connector.............................. Contact
Built-In Peripheral
LED................................................ Green
Application Programming Interface
PC-Linked Mode ............................ PC/SC
....................................................... CT-API (through wrapper on top of PC/SC)