CM220 Datasheet, PDF (4/19 Pages) C-Media Electronics – Updateable USB2.0 Card Reader Controller

CM220
Updateable USB2.0 Card Reader Controller
Features
— USB 2.0 High-Speed operation, USB1.1 Full/Low-Speed backward compatible
— Compliant with USB Mass Storage Device Class specifications
— Driver updates provided transparently via Microsoft’s Windows Update service
— USB bus power and self power capability
— Single chip with integrated USB2.0 PHY
— Supports 24in-1 (12 specs + 6 small-size + 6 ROM-Type) card reader systems.
„ Flash media card specifications supported:
‐ CompactFlash (Ver2.1) / Microdrive
‐ Smart Media Card
‐ xD-Picture Card (Ver 1.1, 1.2)
‐ MultiMediaCard / MultiMediaCardplus (Ver4.1, 1/4/8 bit mode)
‐ SD Card / High Speed SD Card (SD ver 1.1)
‐ MemoryStick / High Speed MemoryStick / Memory Stick Pro / High Speed
MemoryStick Pro
„ Also support 6 small-size flash cards
‐ miniSD / T-Flash Card/MemoryStick Duo / MemoryStick-Pro Duo
‐ RS-MMC / MMCmobile (Ver4.1, 1/4/8 bit mode)
„ In addition, 6 ROM-Type flash cards are also supported
‐ MMC ROM, MMCplus ROM, MMCmobile ROM
‐ MemoryStick ROM, MemoryStick Pro ROM
‐ SD ROM
— SPI interface for external MCU
— EEPROM Serial Interface for customized VID/PID via USB interface
— Support 1~5 LED displays to indicate operation status
— “Designed for Windows” logo certified driver with Windows Update option.
— USB IF logo qualified
— xD-Picture certified
— MS-logo certified
— CM220L (QFP 100) or CM220F (LQFP 128) are both available
— Small footprint for CM220S (LQFP 48) which can be used in notebook or size-sensitive
systems
Date: 8/2/2005
Version: 1.4
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