K EE L OQ ? EVALUATION KIT II USER ’ S GUIDE
FIGURE 3-6:
THE SELECTED ENCODER/DECODER
Selecte d
Decoder
3.0.4
ENCODER AND DECODER
Software decoders, based on their respective
CONFIGURATION
A selected Encoder/Decoder block may be configured
by either pressing the ENTER key, double clicking with
the mouse or by selecting the Edit->Configure option
from the main menu.
The type and model of the currently selected device
determines what Configuration Dialog Box aspects will
immediately open.
Application Note ’ s source code, are the only devices
that cannot be configured; their parameters are
defined in firmware. To change software decoder
parameters one must modify the source code, re-
assemble it and program new samples (using a
PICSTART Plus or a PRO MATE II Universal
Programmer).
FIGURE 3-7:
THE SOFTWARE DECODERS WARNING MESSAGE
3.0.5
DEFINING CUSTOM DECODERS
Such a Custom decoder is but one device in a larger
A user may wish to define a decoder component
derived from Application Note software or other Cus-
tom Code developed to fulfill a requirement no existing
decoder could. A Manchester reception based
decoder using a 40-pin PIC16F77 FLASH microcon-
troller, for example.
? 2001 Microchip Technology Inc.
project. Definition of both its Learning Method and
Manufacturer Code is essential when programming the
linked encoders. For this reason, the last option in the
New Decoder Dialog Box (Figure 3-5) allows the defini-
tion of such a Custom Decoder.
DS41155A-page 7
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