ALFAT-SC-340 GHI Electronics, ALFAT-SC-340 Datasheet - Page 32
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ALFAT-SC-340
Manufacturer Part Number
ALFAT-SC-340
Description
Processors - Application Specialized FILE SYSTEM SoC with DUAL USB HOST & SD
Manufacturer
GHI Electronics
Type
File Systemsr
Datasheet
1.ALFAT-SC-340.pdf
(51 pages)
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
Y - File Tell
D - Delete File or Folder
Gets the current byte index in a file. Valid values are 0 to file size.
Deletes a file or a folder. Appending the name with the \ symbol indicated this is a folder.
Format
Example Y
Format
Example D
Y
!00
$ssssssss
!00
!00
$00000003
!00
D
!00
LF>
!00
D
!00
<SP>
<SP>
<SP>
<SP>
<SP>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
n
1
FULL PATH[\]
M:\TMP\TEST.TXT
M:\TMP\
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
Page 32 of 51
n File Handle 0 through F
ssssssss 4 bytes in HEX position in the file
The file with handle 1 has the file pointer at
index 0x03
<
Full path: The full path where the FILE is
located.
[\]: if '\' is added at the end of the full path
string, it means we are deleting a
FOLDER, not file.
Remove the FILE with name TEST.TXT in
TMP folder on SD memory card. This will
not delete the TMP folder.
Remove the FOLDER with name TMP in
root folder of memory card. The folder
must be empty.
ALFAT SoC Processor
ALFAT Command Set
www.ghielectronics.com