ALFAT-SC-340 GHI Electronics, ALFAT-SC-340 Datasheet - Page 26

• Manufacturer Part Number: ALFAT-SC-340
• Description: Processors - Application Specialized FILE SYSTEM SoC with DUAL USB HOST & SD
• Manufacturer: GHI Electronics
• Type: File Systemsr

Specifications of ALFAT-SC-340

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: ALFAT
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 24 MHz
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-64
• Interface Type: I2C, SPI, UART
• Part # Aliases: GHI-ALFAT-SC-340

GHI Electronics
Rev. 1.13
N - Get Next Directory Entry
Calling N command retrieves a directory entry from the directory list initialized using @
command. Every time N command is called, ALFAT retrieves an entry of the list and
increment the list pointer.
When list pointer reaches the end of the list and N is called again, ALFAT returns error
code 0x04 indicating the end of the list has been reached.
* File Attributes are one byte Standard Attribute Structure in FAT system.
Format
Example N
7
Reserved
N
!00
NNNNN.EEE
$AA
$ssssssss
!00
!00
TEST0001.TXT
$00
$0000FE23
!00
N
!00
TEST0002.TXT
$20
$00001234
!00
<LF>
<LF>
<LF>
6
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
5
Archive Folder
<LF>
<LF>
4
Page 26 of 51
3
Volume
ID
2
System Hidden Read
NNNNN File Name
EEE File Extension (if any)
AA 1 byte, in HEX, File
Attributes*
ssssssss 4 bytes in HEX file
size
Passing N command two
times and getting the results.
1
ALFAT SoC Processor
ALFAT Command Set
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