Chapter 4 System Architecture
4-7
4.6 SD Memory Card
4.6.1 Model and Specification
Model and Appearance
SD memory cards can be classified into SD, Mini SD and Micro SD according to its size. The motion
controller only supports the first type of SD as below.
Specification
There are various SD card specifications on current market. Except that SD cards are different in size, they
can be classified into SD, SDHC and SDXC according to its capacity. However, controllers only supports
basic SD specification currently. The following table includes the information of SD card family members.
Controllers only supports SD and SDHC. Please make sure to purchase the SD card of the right specification
that the controller supports.
SD card classification
File system
FAT16/FAT32 FAT32
exFAT(FAT64)
SD speed
level
N/A
CLASS 2 (Min. 2MB/Sec.)
CLASS 4 (Min. 4MB/Sec.)
CLASS 6 (Min. 6MB/Sec.)
CLASS 10 (Min. 10MB/Sec.)
CLASS 2 (Min. 2MB/Sec.)
CLASS 4 (Min. 4MB/Sec.)
CLASS 6 (Min. 6MB/Sec.)
CLASS 10 (Min. 10MB/Sec.)
* Please notice that there is a kind of MMC card which is very similar to SD card in appearance and thus
please differentiate them carefully during purchase.