SDI Technologies SDIO Card - Manual (Page 8)

©Copyright 2002-2006 SD Card Association
SDIO Card Bluetooth Type-A Simplified Specification Version 1.00
1
1. Introduction
1.1 Background of the SDIO Card Specification for Bluetooth
The SDIO (Secure Digital I/O) Card is based on and compatible with the SD Memory Card and it
extends SD applications from memory to I/O. Bluetooth is a short-range wireless communication
protocol which has features such as compact, low power consumption and low cost. Both SDIO and
Bluetooth are designed to be compact and slim for portable appliances. An SDIO Card for Bluetooth is
one of the primary applications for SDIO.
1.2 Typical Applications
An SDIO Card for Bluetooth can be used in a wide range of appliances, ranging from cellular phones,
PDAs and notebook computers to AV equipment such as digital TVs and audio players.
Figure 1 provides typical applications in data communications. Most users access the Internet via
multiple network devices. They utilize the wired network in office and they use the cellular network when
in outdoor areas. The swappable feature of SDIO is very suitable for such usages.
Figure 1 – Typical Applications in Data Communications
Office/Home
Internet
Ethernet
Internet
Bluetooth
SDIO Card for
Bluetooth
Mobile
Web Access, E-mail
Internet
USB
Internet
Web Access, E-mail
Bluetooth
Data Exchange
(Name Card, Address Book,
Still Picture, MPEG4 Clip)
Use Different
Network
Devices
Use Different
Network
Devices
Bluetooth
SD Memory
Card