
©Copyright 2000-2007 SD Card Association
SDIO Simplified Specification Version 2.00
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LOW, HIGH Binary interface states with defined assignment to a voltage level
MBIO Multi-Block I/O
miniSDIO Card A SDIO card based on the miniSD card form factor.
MMC MultiMedia Card
MSB, LSB The Most Significant Bit or Least Significant Bit
OCR Operation Conditions Register
PCMCIA Personal Computer Memory Card International Association
PnP Plug and Play a means to identify an SDIO device and optionally load
applications and/or drivers without user intervention
R/O Read Only
R/W Read or Write
RAW Read After Write
RCA Relative Card Address register
Resume Re-starting the temporarily halted data transfer
RFU Reserved for Future Use. Normally Read-Only and set to 0
ROM Read Only Memory
RWC Read Wait Control
SCR SD Configuration Register
SDA SD Association
SDCLK SD clock signal
SDIO SD Input/Output
SDIO aware A host designed to support the signals and protocol of SDIO devices
SPI Serial Peripheral Interface
Standard-Power SDIO A SDIO device that operates with 200 mA or less of current at all times.
Stuff bit(s) Filling bit(s) to ensure fixed length frames for commands and responses.
Suspend Temporarily halting the transfer of data
TBD To Be Determined (in the future)
Three-state driver A driver stage which has three output driver states: HIGH, LOW and high
impedance (which means that the interface does not have any influence on the
interface level)
Tuple Data blocks in a linked list or chain format
VDD + Power supply
VSS Power supply ground
W/O Write Only
WP Write Protect