CM320
z
Updateable USB2.0 Card Reader Controller
CM320
Updateable USB2.0 Card Reader Controller
- More Features, More Flexibility, Lowest BOM Cost
Datasheet
Version 1.0
C-MEDIA ELECTRONICS INC.
TEL: 886-2-8773-1100 FAX: 886-2-8773-2211
6F, 100, Sec. 4, Civil Boulevard, Taipei, Taiwan 106, R.O.C.
For detailed product information, please contact
sales@cmedia.com.tw
Date: 5/3/2006
Version: 1.0
CM320
Updateable USB2.0 Card Reader Controller
Date: 5/3/2006 Version: 1.0
- 2 -
NOTICES
THIS DOCUMENT IS PROVIDED "AS IS" WITH NO WARRANTIES WHAT SO EVER,
INCLUDING ANY WARRANTY OF MERCHANT ABILITY, NONINFRINGEMENT, FITNESS FOR
ANY PARTICULAR PURPOSE, OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY
PROPOSAL, DOCUMENT OR SAMPLE.
ALL RIGHTS RESERVED. NO PART OF THIS DOCUMENT MAY BE REPRODUCED OR
TRANSMITTED IN ANY FORM OR BY ANY MEANS, ELECTRONIC OR MECHANICAL,
INCLUDING INFORMATION STORAGE AND RETRIEVAL SYSTEMS, WITHOUT
PERMISSION IN WRITING FROM THE C-MEDIA ELECTRONICS, INC.
Third-party brands and names are the property of their respective owners.
Copyright 2006-2007 © C-Media Electronics Inc.
*C-Media reserves the right to
modify the specifications without
notice.
CM320
Updateable USB2.0 Card Reader Controller
Date: 5/3/2006 Version: 1.0
- 3 -
1. INTRODUCTION
Overview
The CM320 is another value-added card reader controller solution derived from CM220. It
preserves CM220 features:
True "single-chip" card reader solution
Online updateable architecture
Card Manager Application software
On top of that, CM320
integrate
most of external components:
4 MOS(except MD), 2 regulators,
1 Diode
and many passive devices to minimize customer BOM cost, let it be the industry
highest integration card reader controller solution.
Its unique software structure makes the function easy to configure to meet the customer
versatile demand.
Flexible card configuration
Customized smart button design
True "single-chip" card reader solution
The CM320's patented architecture enables the widest possible compatibility and in-the-field update capability,
without the need for external EEPROM or additional components, reducing parts count and costs. The driver
software on the host provides all the required programmability. OEMs and component manufacturers need not be
concerned about stock issues relating to outdated firmware.
CM320
Updateable USB2.0 Card Reader Controller
Date: 5/3/2006 Version: 1.0
- 4 -
Online updateable architecture
Due to the rapid change of media card specifications and the growth in capacities in every format, the future
compatibility of media card reader solutions is becoming more important. C-Media's innovative CM320 allows
end-users online update their card readers via Window's "Automatic Update" Function
Card
Manager
Application
software
File-security
Function
Private-Disk
Function
On-Line Update Hotkey
Multiple
Window
The CM320 can be optionally supplied with a special purpose application shell: the C-Media Card Manager. The
C-Media Card Manager provides an easy-to-use file management and security function for all media cards.
Flexible Card Configuration
Any combination of Flash cards is possible and can be programmed by HW or SW. Card icons can also be
customized as requested.
CM320
Updateable USB2.0 Card Reader Controller
Date: 5/3/2006 Version: 1.0
- 5 -
Smart Button Design
To provide end-user friendly operation interface, just press one button, many things, ex copy file, print file,
encrypt/decrypt file,...etc. could be done without the hassle. Middleware program could be provided to configure
the button functions in the future.
Application
Internal Type Card Reader
For Desktop PC
For Notebook PC
For Barebone
For PC DIY market card reader
External Type Card Reader
Single Slot Design
Two Slot Design
Multi Slot Design
Niche Market Card Reader
DMA (Digital Media Adapter) or media server
Card reader + Hub
Card reader + VOIP Phone
Others
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