Encoder logic for reducing serial I/O power in sensors and sensor hubs

Encoder logic for reducing serial I/O power in sensors and sensor hubs

Communicating data from sensors such as gyroscopes and accelerometers, to processors, typically occurs over printed circuit board traces. This communication can cost up to 40 μW at data rates of 1 Mb/s.

IEEE Xplore

Abstract

Communicating data from sensors such as gyroscopes and
accelerometers, to processors, typically occurs over printed
circuit board traces. This communication can cost up to
40 μW at data rates of 1 Mb/s.
VDBS encoding reduces signal transitions and thus reduces
the dynamic power dissipation of sensor communication.
Because they require no decoder logic, VDBS-enhanced
sensors can be used with unmodified existing processors
and can leverage existing serial interface standards.
We present vdbs2rtl, a tool for generating RTL for the
optimal VDBS encoders in both VHDL and Verilog.

Cite as:

P. Stanley-Marbell, P. A. Francese and M. Rinard, "Encoder logic for reducing serial I/O power in sensors and sensor hubs," 2016 IEEE Hot Chips 28 Symposium (HCS), 2016, pp. 1-2, doi: 10.1109/HOTCHIPS.2016.7936231.

Bibtex:

@inproceedings{7936231,
  author={Stanley-Marbell, Phillip and Francese, Pier Andrea and Rinard, Martin},
  booktitle={2016 IEEE Hot Chips 28 Symposium (HCS)}, 
  title={Encoder logic for reducing serial I/O power in sensors and sensor hubs}, 
  year={2016},
  volume={},
  number={},
  pages={1-2},
  doi={10.1109/HOTCHIPS.2016.7936231}}