Overview Of Memory Cards; Appearances Of Memory Cards; Memory Card Specifications - Delta AS Series Operation Manual

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7.1 Overview of Memory Cards

The AS Series CPU modules support standard MicroSD cards that meet the specifications in this chapter. This
chapter describes the specifications and usage for the MicroSD cards supported by the AS series CPU
modules.

7.1.1 Appearances of Memory Cards

SD cards are classified into three types according to size: SD cards, MiniSD cards, and MicroSD cards. AS
Series CPU modules support MicroSD cards.

7.1.2 Memory Card Specifications

SD cards are also classified into three types according to capacity: SD cards, SDHC cards, and SDXC cards.
The AS Series currently only supports a maximum of 32GB in FAT32 format. SD card families are shown in
the table below. The Micro SDHC in the SDHC column indicates the specifications supported by the AS
Series. Be sure to purchase products that meet these specifications.

SD card families
Type
Capacity
32MB~2GB
File
FAT16/FAT32
system
Size
Speed
class
rating
SD
SD SDHC
CLASS 2 (Min. 2MB/Sec.)
CLASS 4 (Min. 4MB/Sec.)
N/A
CLASS 6 (Min. 6MB/Sec.)
CLASS 10 (Min. 10MB/Sec.)
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SDHC
4GB~32GB
FAT32
Mini SDHC Micro SDHC
SDXC
32GB~2TB
exFAT（FAT64）
SDXC Micro SDXC
CLASS 2 (Min. 2MB/Sec.)
CLASS 4 (Min. 4MB/Sec.)
CLASS 6 (Min. 6MB/Sec.)
CLASS 10 (Min. 10MB/Sec.)