AH Motion Controller – Operation Manual
8-2
8.1 Overview of Memory Cards
The AH Motion Controller CPU supports Micro SD cards. Users can purchase products which meet specifications. The
specifications for the SD cards supported by the AH Motion Controller CPUs, and the usage of the SD cards are described
in this chapter.
8.1.1 Appearances of Memory Cards
SD cards are classified into three types according to size. They are SD cards, miniSD cards, and microSD cards. The AH
Motion Controller CPU supports Micro SD cards.
8.1.2 Specifications for SD Cards
There are several specifications for SD cards on the market. SD cards not only can be classified according to size, but
also can be classified into three types according to capacity. These types are SD cards, SDHC cards, and SDXC cards.
The AH Motion Controller CPU presently support SD and SDHC specifications with micro size. The following is the table
of SD card families. Be sure to purchase products which meet the specifications.
The SD card families
Type SD SDHC
SDXC
Capacity 2GB Max. 4GB ~ 32GB
32GB ~ 2TB
File
system
FAT/FAT32 FAT32
exFAT
Size
SD
Micro SD
SDHC
Mini
SDHC
Micro
SDHC
SDXC Micro SDXC
Speed
class
rating
N/A
Class 2 (Min. 2 MB/sec.)
Class 4 (Min. 4 MB/sec.)
Class 6 (Min. 6 MB/sec.)
Class 10 (Min. 10 MB/sec.)
Class 2 (Min. 2 MB/sec.)
Class 4 (Min. 4 MB/sec.)
Class 6 (Min. 6 MB/sec.)
Class 10 (Min. 10 MB/sec.)
SD
MiniSD