There are several logical units attached with this module. They can be accessed from the
LPC Composer application. Some units are enabled by default, others can be enabled
through LPC composer. Unit is enabled when any of its variables is used.
PLC has 32 kB of non-volatile memory, which is available to any variable used inside
application simply by setting the variable Option to Retentive.
PLC also provides 4kB of ROM (flash) memory area to the user who would like to use some
initialization data or some fixed parameters. This area can be accessed from application
only for reading. Setting the values of variables in Flash can be issued with another
application, FlashUploader.
In Flash memory area there