SENT Triggering and Serial Decode 32
Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide 501
a Press the Fast Signals softkey and use the Entry knob to select the Fast Signal
to be defined.
Once a Fast Signal is selected, press the softkey again to enable or disable
decode for that signal.
b Press the Start Bit # (MSB) softkey to specify the starting bit for the selected
signal.
c Press the # of Bits softkey to specify the number of bits in the selected signal.
d Press the Nibble Order softkey to specify the nibble display order as either
most significant nibble (MSN) or least significant nibble (LSN) first.
e When the display mode setting is Transfer Function (see the SENT Settings
Menu), press the Multiplier or Offset softkeys; then, turn the Entry knob (or
press the softkey again and use a keypad dialog) to specify the value.
The multiplier and offset values are used in calculating a physical value
displayed for the Fast Signal:
• PhysicalValue = (Multiplier * SignalValueAsUnsignedInteger) + Offset
Here are some Fast Signal definition examples:
Example 1: Start Bit # = 13, # of bits = 8, Nibble Order = LSN First
15
Result bits:
Message data:
Example 2: Start Bit # = 10, # of bits = 5, Nibble Order = MSN First
14131211109876543210
13 1211 10 9 876
15
Result bits:
Message data:
14131211109876543210
109876
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