AU9540 USB Smart Card Reader V1.6 1. Introduction AU9540 is a highly integrated single chip USB Smart Card reader controller. Highly integration enables the lowest BOM cost of smart card reader. The AU9540 supports multiple international standards including ISO7816 for IC card standard, PC/SC 2.0 for windows smart card standard, Microsoft WHQL, EMV for Europay MasterCard Visa standard and USB-IF CCID standard.
AU9540 USB Smart Card Reader V1.6 2. Application Block Diagram AU9540 is a highly integrated single chip, which is used as USB Smart Card reader or in an embedded USB device through the downstream port of an USB hub. Following is the application diagram of a typical card reader product with AU9540 by connecting the card reader to an ATM or E-Commerce.
AU9540 USB Smart Card Reader V1.6 3. Pin Assignment The AU9540 is packed in 28-SSOP-form factor. The following figure shows signal name for each pin and the table in the following page describes each pin in detail. Figure 3.1 AU9540 Pin Assignment Diagram...
AU9540 USB Smart Card Reader V1.6 5. Electrical Characteristics 1 Recommended Operating Conditions Table 5.1 Recommended Operating Conditions SYMBOL PARAMETER UNITS 5V Power Supply 4.75 5.25 3.3V Power Supply Input Signal Voltage -0.3 +0.3 Power Supply Digital Supply 1.62 1.98 Operating Temperature Table 5.2 General DC Characteristics...
AU9540 USB Smart Card Reader V1.6 Table 5.3 DC Electrical Characteristics of 3.3V I/O Cells Limits SYMBOL PARAMETER CONDITIONS UNIT Power supply 3.3V I/O D33P Input low voltage LVTTL Input high voltage Output low voltage ∣I ∣=2~16mA Output high voltage ∣I...
AU9540 USB Smart Card Reader V1.6 The following setup was used to measure the open loop voltage gain for crystal oscillator circuits. The feedback resistor serves to bias the circuit at its quiescent operating point and the AC coupling capacitor, Cs, is much larger than C1 and C2.
AU9540 USB Smart Card Reader V1.6 AU9540 into the host. 5. When AU9540 is not Host will be woken up and inserted into the host detect AU9540. After the host host is woken up, AU9540 is ready suspend mode. Plug to operate card now.
USB and IEEE 1394. The company offers a range of semiconductors including controllers for USB hub, integrated keyboard/USB hub and USB Flash memory card reader…etc. Alcor Micro, Corp. is based in Taipei, Taiwan, with sales offices in Taipei, Japan, Korea and California. Alcor Micro is distinguished by its ability to provide innovative solutions for spec-driven products.
AU9540 USB Smart Card Reader V1.6 9. Appendix: BatteryMark Test Test Condition With AU9540: Card Present Without AU9540 BatteryMark Test Result: Condition 2:02 2:02 Version BatteryMark 4.01 Model Name COMPAQ Presario CQ40 CPU Name Intel(R) Pentium(R) III or Pentium(R) III Xeon(TM)