User manual

Quick Start Instructions

1.3.2.2 SAVING THE SCRIPT FILE AND PROGRAMMING THE MCP3422

CONFIGURATION REGISTER

1. Change the 2nd and 3rd data bytes you want in the Script Detail.

2. Type in any script name (i.e., MCP3422_Write) in the space below the Script

Name menu.

3. Click the Save Script button.

4. Click the Execute Script button.

5. You can also see the SCL and SDA waveforms using the oscilloscope.

FIGURE 1-12: I

C Write Command Waveforms for the MCP3422.

Note: At this point, the PICkit Serial transmits the I

C Write Command to the

MCP3422 device. The saved file name will appear in “Users I2C Scripts”

column, and can be re-used any time by selecting the file name.

Note: When you click on the “Execute Script” menu, the “Busy” LED on the PICkit

Serial Analyzer will momentarily turn on and then turn off. If the LED

remains ON, a communications problem has occurred. Remove the PICkit

Serial Analyzer from your computer and re-check the parameter values

including the order of parameters under the “Script Detail” column, and try

again until the “Busy” LED turns OFF immediately after sending the I2C

command.

REDUE THIS PLOT

WITY CORRECT

Write Command with Address bits

Configuration Bits

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