The Software Templates
4.3.2
Message Filters Window
This window is used to set up and test mask and filter combinations with different
message identifiers. Each mask and filter can be tested without actually writing the
configuration to the MCP2515. This is done to allow the user to test different
configurations against message identifiers that would appear on the bus.
For example, Figure 4-8 shows an identifier of 155h matching up against filter RXF1
and shows that the message would be accepted into receive buffer 0.
When the desired mask and filter combinations are achieved, the values can be written
to the MCP2515 by clicking the Write button.
Note:
The masks and filters can be written only when the MCP2515 is
in Configuration mode.
FIGURE 4-8:
? 2003 Microchip Technology Inc.
MESSAGE FILTER WINDOW
DS51416A-page 17
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