Datasheet

PedalSync™
Tru-Foot
TM
LFO chip MV-55(B)
Datasheet - p.3
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PedalSync_MV-55_MV-55B_Tru-Foot_LFO_Datasheet.doc DRAFT v9.1
4017 Sequencer connection:
LFO Output
The MV-55(B) Waveform Outputs (pins 23 and 24) deliver an approximately 1.1 - 2.4 volt output
range. These values will vary depending on the chip voltage.
See the PedalSync Voltage Conversion Module datasheet for information on transforming
the LFO waveform output into a 0-5, 9, 10, or 12-volt output:
Users select Square, Sine, Triangle, or Tru-Foot™ waveform using a four-position switch. It is a
simple matter to use a subset of the available waveforms and a different type of switch by only
allowing certain pin combinations.
Following are the combinations:
Square
= Pins 6 and 9 grounded
Tru-Foot
™
= Pin 6 only grounded
Triangle
= Neither pin grounded
Sine
= Pin 9 only grounded
The Tru-Foot
™
waveform realistically emulates the feel of a foot rhythmically controlling a wah-type
expression pedal.
Sine, Triangle, and Square waveforms from Pin 23 are always high on the downbeat, as long as there
is no offset.
Pin 24 waveforms are inverted from Pin 23.