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Summary of Contents for Alcor Micro AU6475
- Page 1 查询AU6475供应商 捷多邦，专业PCB打样工厂，24小时加急出货 AU6475 USB2.0 Multi-LUN Flash Card Reader Controller Technical Reference Manual...
- Page 2 AU6475 USB2.0 Multi-LUN Flash Card Reader Controller...
- Page 3 Copyright © 1997 - 2007. Alcor Micro, Corp. All Rights Reserved. No part of this data sheet may be reproduced, transmitted, transcribed, stored in a retrieval system or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without prior written permission from Alcor Micro, Corp.
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Page 5: Table Of Contents
1.2 Features..................1 2. Application Block Diagram ........2 3. Pin Assignment ............3 4. System Architecture and Reference Design ..7 4.1 AU6475 Block Diagram ...............7 5. Electrical Characteristics ........8 5.1 Absolute Maximum Ratings............8 5.2 Recommended Operating Conditions ........8 5.3 General DC Characteristics ............8... - Page 6 List of Figures Figure 2.1 Block Diagram..............2 Figure 3.1 AU6475 Pin Assignment Diagram ........3 Figure 4.1 AU6475 Block Diagram ...........7 Figure 5.1 Built-in card power switch I-V curve ......12 Figure 5.2 Card Detect Power-in Timing..........12 Figure 6.1 Mechanical Information Diagram ........13 List of Tables Table 3.1 AU6475 Pin Descriptions ..........4...
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Page 7: Introduction
1. Introduction The AU6475 is a single chip integrated USB 2.0 multimedia card reader controller that enables PC/DVD/Printer to read/write various type of flash media cards. Flash media cards such as CF, SMC, XD, SD, MMC, Memory Stick are widely used in digital camera, cell phone, PDA and MP3 player to store digital photos and compressed music. -
Page 8: Application Block Diagram
By connecting the card reader to a desktop or notebook PC through USB bus, the AU6475 becomes a bus-powered, high speed USB card reader, which can be used as a bridge for data transfer between Desktop PC and Notebook PC. -
Page 9: Pin Assignment
3. Pin Assignment AU6475 is available in 80-pin LQFP package. Below diagram shows signal name of each pin and table in the following page describes each pin in detail. Figure 3.1 AU6475 Pin Assignment Diagram 80 79 78 77 76... -
Page 10: Table 3.1 Au6475 Pin Descriptions
IO Power 3.3V In VSSHM 3.3V ground for IO pad Core Power for 1.8V In Band-gap 3.3V out AVDD5V 5V power from Vbus CF_V33 CF power 3.3V out SD0WP SD0 Write Protect AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W... - Page 11 Chip Exteranl Reset:Low active MS Card Detect MSINS '0': Detected '1': Undetected MSDATA3 MS Data3 MSCLK MS CLK SD0DATA2 SD Data2 SD0DATA3 SD Data3 SMDATA2 xD/SMC Data2 SMDATA3 xD/SMC Data3 SMDATA4 xD/SMC Data4 AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W...
- Page 12 Pin Name Description SMDATA5 xD/SMC Data5 SMDATA6 xD/SMC Data6 SMDATA7 xD/SMC Data7 CFWRN CF WRN CFRDN CF RDN CFDATA15 CF Data15 CFDATA7 CF Data7 CFDATA14 CF Data14 CFDATA6 CF Data6 AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W...
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Page 13: System Architecture And Reference Design
4. System Architecture and Reference Design Figure 4.1 AU6475 Block Diagram CF/MD/SMC/ SD/MMC/MS/ XCVR xD Control FIFO Upstream Port 1.8 V Processor Arbitrator 1.8V / 3.3V Voltage Regulator /Power Switch 12MHz XTAL AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W... -
Page 14: Electrical Characteristics
CONDITIONS MAX UNITS No pull-up or µA ±1 Input current pull-down µA ±1 Tri-state leakage current ρF Input capacitance Pad Limit ρF Output capacitance Pad Limit Bi-directional buffer ρF Pad Limit capacitance AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W... -
Page 15: Usb Transceiver Characteristics
±1 μA current Table 5.5 Electrical characteristics Symbol Parameter Conditions Min. Typ. Max. Unit VD33P Analog supply Voltage Digital supply Voltage 1.62 1.98 High speed operating Operating supply current at 480 MHz AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W... -
Page 16: Table 5.6 Static Characteristic：digital Pin
High speed high level -360 HSOH output voltage(differential) Chirp-J output voltage 1100 CHIRPJ （differential） Chirp-K output voltage -900 -500 CHIRPK （differential） Resistance Equivalent resistance Ω Driver output impedance used as internal chip only AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W... -
Page 17: Table 5.8 Dynamic Characteristic：analog I/O Pins（Dp/Dm
CL=50pF；90 to 10﹪ Fall time ∣； of∣V Excluding the first Differential rise/fall time ％ transition from idle FRMA ） matching（t mode Excluding the first Output signal crossover transition from idle voltage mode AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W... -
Page 18: Power Switch Feature
Current (mA) Figure 5.1 Built-in card power switch I-V curve 1ms to 10ms ( Depend Load Capacitor ) 3.3V+/- 0.3V CARD_POWER 100ms + System Polling timing CARD_DETECT Figure 5.2 Card Detect Power-in Timing AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W... -
Page 19: Mechanical Information
6. Mechanical Information Figure 6.1 Mechanical Information Diagram AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W... -
Page 20: Abbreviations
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.
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