Bus Powered USB2.0 Flash Media Controller
Datasheet
Chapter 2
2.1
Acronyms and Definitions
Acronyms
SM:
FM:
CF:
SD:
SmartMedia
Flash Media
Compact Flash
Secure Digital
SMC:
SmartMedia Controller
FMC:
Flash Media Controller
CFC:
CompactFlash Controller
SDC:
Secure Digital Controller
MMC:
MultiMediaCard
MS:
Memory Stick
MSC:
Memory Stick Controller
TPC:
Transport Protocol Code.
ECC:
Error Checking and Correcting
CRC:
Cyclic Redundancy Checking
XD:
XD Picture Card
2.2
Definitions
Flash Media DMA UNIT (FMDU):
The control logic in the flash media controller block as shown in the
Block Diagram that support the data transfer from CFC, SMC, MSC and SDC to EP2 buffer directly.
SD/MMC:
the built-in SD controller (SDC) supports both SD and MMC devices.
Flash Media Controller Data Multiplexer (FMC DATA MUX):
The multiplexer to enable the different data
path from the different flash media controllers (CFC, SMC, MSC and SDC).
SMSC USB2224
Page 5
Revision 1.3 (09-21-04)
DATASHEET
SMSC [ SMSC CORPORATION ]
