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SPPDF-01 Development Suite
User’s Manual
Filter Coefficient Loader
Chapter III
1. Filter Number: CLICK on this control whenever a single set of coefficients is to be loaded
into the SPPDM-01 external memory. Selecting this control enables the Filter Number
Input Control Window (Item 2).
2. Filter Number Input Control Window: This control is enabled whenever the Filter
Number Selector is used. This control allows entry of the numeric value that identifies a
single set of coefficients as the taps for a specific filter. The number must be between 1
and 512, the maximum number of filters (MNF) allowed.
3. Filter Range: CLICK on this control whenever multiple sets of coefficients need to be
loaded into the SPPDM-01 external memory. Selecting this control enables the Filter
Range (From) Input Control (Item 4).
4. Filter Range (From) Input Control: This control is enabled whenever the Filter Range is
selected. With this control the user enters a numeric value representing the lowest filter
identification number to load. It represents the starting point identifying the multiple sets
of coefficients as the taps for a specific group of sequentially positioned filters. The num-
ber must be between 1 and 512, the MNF allowed.
5. Filter Range (To) Indicator: This indicator shows a numeric value representing the high-
est filter identification number LOADED. It represents the end point, identifying the multi-
ple sets of coefficients as the taps for a specific group of sequentially positioned filters.
The number must be between 1 and 512, the MNF allowed. The Filter Range (To)
number must be equal or greater than the Filter Range (From) number.
3.3.2 Group B, Coefficients’ Location (Items 6 - 7): Manages the immediate and batch modes
of operation.
6. Workspace: CLICK on the "Workspace" button to enable the Immediate Mode. This
allows the set or sets of filter coefficients to be loaded from the MatLab
TM
Workspace and
immediately accesses the coefficients through a matrix data structure (See Chapter II,
Item 12). The FCG software may produce the matrix data. Note: Data is lost 1) if the
workspace is cleared, or 2) quitting the MatLab
TM
environment without saving the
variable contents.
7. Other Location: CLICK the "Other Location" button to enable the Batch Mode window.
This will allow a set or sets of filter coefficients to be loaded from a specific text file into
the SPPDM-01. Selecting this control enables the Batch Mode Input Control Window
(Item 8).
8. Batch Mode Input Control: This control window becomes active whenever the Batch
Mode Selector "Other Location" is selected. Use this window to enter any other location
different from the MatLab
TM
workspace. The complete path-name for the file destination
must be entered. The name of the file must have the ".coe" suffix, otherwise it will
not be validated. The workspace variable created specifies the set of coefficients as an M
x N matrix. Variable M is the number of filters and N is the number of coefficients per filter.
3.3.3 Group C, Serial Communication (Items 9 – 15): presents the controls used to set and
enter the parameters that control the serial communication protocol.
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