system level, so we can lower the cost of the
BOM,” explains Williams.
All three of these applications have been tar-
geted with the new TDA2x device family, and
all are run on a single heterogeneous archi-
tecture. This will allow a single
device to run more than one of
these applications in the future.
The current architecture
includes three main compute
engines: a digital signal processor
(DSP), vision accelerator, and
“If you add up all of the com-
pute engines, we [have] more than 60
GMACs of signal processing horse-
power. We do that with a low power output
between two to five watts, depending on the
applications,” Williams explains.
A large internal memory eliminates the
need to go off chip, speeding up the applications. And the video inputs and display
outputs are capable of handling the configuration of six cameras.
“This is the broadest portfolio of cores, IP,
and interfaces that anyone in the industry has
offered,” says Williams. With that offering has
come another set of challenges, specifically
performance, scalability, power consumption,
“The number of algorithms being run are
increasing at an exponential rate, so we need
high signal processing performance,” explains
Williams. “Because we are targeting a range
of vehicles, there needs to be a scalable set of
features to address entry level, mid-level, and
With the current trend towards low power
consumption, TI also
felt the pressure to keep the
power output down to a reasonable
level. Form factor was also an issue, as
the cameras are very small and in an environ-
ment with little room for airflow.
“The TDA2x family is the broadest port-
folio of ADAS devices on the market today,
giving scalability from entry level to high
performance at a reasonable power budget.
These technologies are the key to enabling
future integration across multiple ADAS
features,” says Williams. “We are bringing
the most comprehensive and total embedded
processing solution to the market, and taking
us one step closer to an autonomous driving
TDA2x block diagram
TDA2x Evaluation Module
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