I2C serial bus menu fields and controls
Field or control Description
Display Turns On or Off displaying the bus on the W
aveform view.
Label Enter a label for the bus. The default label is the selected bus type.
To enter label text, double-tap the field and enter label using the virtual keyboard, or tap the field and
enter text from an attached keyboard.
Position Sets the vertical position of the bus waveform. The default position is vertically centered in a slice (in
Stacked mode), or center screen in Overlay mode. The unit of position is screen divisions.
Set to 0 Sets the vertical position to 0 divisions (centered vertically in a slice or on the screen.
Results Table Sets the results table as On or Off to see the active measurements, bus decode activity, and search
results in a spreadsheet format. Default is Off.
Bus Type Set to I2C.
SCLK Input Sets the source and threshold level for the Serial Clock Line signal.
SDA Input Sets the source and threshold level for the Serial Data signal.
Include R/W bit in Address Select Yes to display 7-bit addresses as eight bits, where the eighth bit (LSB) is the R/W bit, or display
10-bit addresses as 11 bits, where the third bit is the R/W bit.
Select No to display 7-bit addresses as seven bits, and 10-bit addresses as ten bits.
Display Format Sets the waveform view to show just the decoded bus information, or the decoded bus plus the source
signal waveforms.
Decode Format Sets the decode format used to display the bus information. Formats are Hex and Binary.
Other bus types
Other serial bus types are available as purchasable options. Once purchased and installed, the new bus types are shown in the Bus
T
ype menu. The serial bus options also add corresponding bus trigger capabilities (when supported) to the Trigger menu. See the Bus
configuration menu on page 127 for links to all serial bus configuration menus.
See also
Bus Trigger configuration on page 220
Bus Search configuration menus on page 139
I2C serial bus search configuration menu on page 140
SPI serial bus configuration menu
Use the SPI bus menu to set up and display an SPI (Serial Peripheral Interface) synchronous serial bus waveform.
To set up the SPI serial bus:
1. To create a new SPI bus waveform, tap the Math Ref Bus > Add New Bus button on the Settings bar. Open the bus configuration
menu by double clicking on the badge. Set the Bus Type to SPI.
2. To change the settings on an existing SPI serial bus waveform, double-tap the Bus waveform badge to open the configuration menu,
and make necessary changes.
Menus and dialog boxes
130
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