CM320 C-Media Electronics, CM320 Datasheet - Page 3

• Manufacturer Part Number: CM320
• Description: USB2.0 Card Reader Controller
• Manufacturer: C-Media Electronics

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1. INTRODUCTION
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concerned about stock issues relating to outdated firmware.
Date: 5/3/2006
4
Overview
The CM320 is another value-added card reader controller solution derived from CM220. It
preserves CM220 features:
On top of that, CM320
1 Diode
highest integration card reader controller solution.
Its unique software structure makes the function easy to configure to meet the customer
versatile demand.
True “single-chip” card reader solution
Online updateable architecture
Card Manager Application software
Flexible card configuration
Customized smart button design
True “single-chip” card reader solution
and many passive devices to minimize customer BOM cost, let it be the industry
integrate
most of external components:
Updateable USB2.0 Card Reader Controller
- 3 -
4 MOS(except MD), 2 regulators,
Version: 1.0
CM320