AU9520 Datasheet, PDF (10/19 Pages) List of Unclassifed Manufacturers – USB Smart Card Reader Controller Technical Reference Manual

4.0. System Architecture and Reference
Design
4.1. Block Diagram
Figure 4.1 AU9520 USB Dual-Slot USB Smart Card Reader Controller
USB
Upstream
Port
XCVR
USB
SIE
USB
FIFO
RAM
Smart
Card
Control
Card Eject
Card Reset
Card Insert
Processor
ROM
3.3
Card
Power
3.3V
Voltage
Regulator
EEPROM
Interface
Smart
Card FIFO
12MHz
XTAL
Reset
Card Data
Card Clock
Optional
256 Bytes
EEPROM
AU9520 USB Smart Card Reader Controller V1.12
Official Release-Public
Page 10 of 19