User manual

MCP3422 Evaluation Board for PICkit™ Serial User’s Guide
DS51781A-page 10 © 2008 Microchip Technology Inc.
6. Select No on the Enable Pull-ups screen and click the Next button.
FIGURE 1-6: Step 3 - Device Pullups Window.
7. Select the V
DD
voltage of the MCP3422 Evaluation Board and click the Next
button.
Case 1: When using V
DD
from the PICkit Serial Analyzer:
If you choose PICkit Serial will power your device and 5 Volt as shown in
Figure 1-7, the MCP3422 Evaluation Board will be powered by the 5V DC from
the PICkit Serial Analyzer through the JP1 jumper. In this case, make sure that
the JP1 jumper on the MCP3422 Evaluation Board is connected.
Case 2: When using your own V
DD
:
You can also provide your own V
DD
voltage by applying a V
DD
voltage at the VD1
test point. In this case, make sure that the JP1 jumper is disconnected.
Note: The MCP3422 Evaluation Board has its own pull-up resistors.