PQI 60X SD60X 2GB 사용자 설명서
제품 코드
SD60X 2GB
Secure Digital Card
Rev. A.0 1/9 April 2006
1. Introduction to the SD Card
The SD Card is a memory card that is small and thin with SDMI. SD Card is a Flash–Based memory card that is
designed to meet the security, capacity, performance and environment requirements inherent to used in emerging
audio and video electronic device.
audio and video electronic device.
The SD Card includes a copyright protection mechanism that complies with the security of the SDMI standard (SDMI:
Secure Digital Music Initiative).
The SD Card communication is based on an advance 9-pin interface (clock, command, 4x Data and 3x power lines)
and the SD Card host interface supports regular MultiMediaCard operation as well.
2. SD Card Feature
Flash memory card capacity support list below:
¾
128MB
¾
256MB
¾
512MB
¾
1GB
¾
2GB
Compliant SDA Specification Ver 1.01
Compliant SDA Specification Ver 1.10
Variable clock rate:
¾
0-25 MHz for default mode.
¾
0-50 MHz for Hi-speed mode.
Support
CPRM
Forward compatibility to MultiMediaCard version 3.3.
No external programming voltage required.
SD Card protocol compatible
Targeted for portable and stationary applications for secured (copyrights protected) and non-secured data storage
Correction of memory field errors
Copyrights Protection Mechanism: Complies with highest security of SDMI standard
Card detection command (Insertion / Removal).
CE and FCC certificates
Easy handling for the end user
Notes: The performance depends on different test platform with different result.
‧
‧
The communication channel is described in the table
SD Bus/SPI Bus comparison
SD Card Using SD Bus
SD Card Using SPI Bus
Six-wire communication channel (clock, command, 4 data lines)
Three-wire serial data bus (Clock, dataIn, dataOut )+card specific
CS signal(hardwired card selection)
CS signal(hardwired card selection)
Error-protected data transfer
Optional non protected data transfer mode available
Single or multiple block oriented data transfer
Single or multiple block oriented data transfer