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MCP46XX PICtail? Plus Daughter Board User’s Guide
2.4.2
Note:
Demo with the PICkit Serial Analyzer
For information on how to use the PICkit Serial Analyzer, or any other
aspect of the PIC ? Development tool platform, please refer to the
appropriate documentation.
This demo requires that you have previously installed the PICkit Serial Analyzer
(DV164122) on your computer.
Note:
The GUI available for the MCP42XXDM-PTPLS (SPI version) will be
updated to support the I 2 C devices. After the program is updated, this
section’s description will be updated.
This GUI will be supplied “As Is”, but the source code is supplied to allow
developers a starting point for any GUI development.
TABLE 2-3:
DEMO HARDWARE REQUIREMENTS
Item # Description
Comment
1
2
3
4
PC with USB port running Windows XP
PICkit Serial Analyzer Adapter (DV164122)
MCP46XXDM-PTPLS
Oscilloscope
—
—
—
Note 1
Note 1:
A Digital Multi-Meter (DMM) may be used to measure the W pins voltage.
Figure 2-8 shows the PICkit Serial Analyzer GUI after the program first starts. It is then
necessary to ensure that the proper communication mode is selected (I 2 C Master).
Modifing the Communication Mode is shown in Figure 2-9. The communication mode
then needs to be configured, and should have the settings as shown in Figure 2-10.
After the communication mode settings have been saved, it is necessary to set up the
I 2 C communication scripts. Figure 2-11 shows how to open the script builder window.
The default script builder window is shown in Figure 2-12. Figure 2-13 through
Figure 2-16 show four simple scripts to read or write to Wiper 1. Other scripts may be
created for your testing. The Transaction Window (see Figure 2-8) shows the status of
the executed script.
DS51804A-page 20
? 2009 Microchip Technology Inc.
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