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CYCLONE MAX
11
11.1
AUTOMATIC SERIAL NUMBER MECHANISM
When producing a microcontroller- or microprocessor-based product, it is
often useful to program a unique serial number into the permanent memory
(FLASH) of the product.
P&E has developed a serial number mechanism to automate this process.
Each time you issue a serialization command in the programming software,
the current serial number is programmed at a specified address. In addition,
the serial number is incremented to the next available serial number and
saved for future serialized programming operations.
The Cyclone MAX adopts this automatic serial number mechanism for its
stand-alone operations.
Understanding Serialization
The automatic serial number mechanism supports serial numbers from 1 to
16 bytes in length. Each byte of a serial number ranges between a lower and
an upper bound. This approach allows the individual bytes of the serial
number to have distinct properties. Some of the forms these properties can
take are:
Type
Constant
Binary
ASCII Printable
ASCII Numeric
ASCII Upper Case Letter
ASCII Lower Case Letter
Other
Lower Bound (hex)
Constant
00
20
30
41
61
XX
Upper Bound (hex)
Constant
FF
7E
39
5A
7A
YY
Each serial number and its properties are stored in a separate file. Any file
name can be used for the serial number file, however the extension .ser is
normally appended because it makes it simpler locate the file.
A free utility called Serialize has been developed to make it easy to create,
visualize, edit, and maintain these serial number files. The Serialize utility can
be downloaded from the FAQs, Manuals, & Downloads tab of the Cyclone
MAX product page, at: www.pemicro.com/max.
72
Cyclone MAX User Manual
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