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Safety & Security

Aurix - An enormous increase in performance

May 25, 2012 | Heiko Riessland, PLS | 222902260
Aurix - An enormous increase in performance Infineon recently introduced its 32-bit multicore architecture Aurix (AUtomotive Realtime Integrated neXt generation architecture). This new, extremely high-performance microcontroller (MCU) platform meets the requirements for powertrain and safety applications of the automotive industry. The first devices based on three TriCore cores not only excel with outstanding performance data but also with sophisticated test and debug tools.
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TriCore? Some of you are now thinking: Wait a minute, I know that. This is not surprising. After all, TriCore was introduced for the first time more than ten years ago. Since then, the TriCore microcontroller architecture has been constantly developed further and has already been used in millions of electronic control units (ECUs) for a wide range of automobile applications such as the control of combustion engines, transmission control units, driver assistance systems, braking systems, airbags and chassis electronics. Furthermore, TriCore devices are used for the control of electric motors, inverters and for battery management in electrical vehicles.

What is so revolutionary about the new TriCore-based 32-bit multicore architecture Aurix? This is where it helps to take a look at the existing devices in the AUDO (AUtomotive unifieD processOr) families (see Table).

Table: Devices in the AUDO families contain a 32-bit super-scalar TriCore CPU with 4-stage pipeline in different versions

They contain a 32-bit super-scalar TriCore CPU with 4-stage pipeline in different versions as well as a 32-bit Peripheral Control Processor (PCP2) with its own instruction set. This can autonomously and bi-directionally transport data between peripherals and memory, pre-process and thus relieve the load of the main CPU. Quite often, the PCP2 is used together with the General Purpose Timer Array (GPTA), with which various solutions for the areas time measurement, Capture/Compare of digital input signals up to complex algorithms such as pulse width modulation (PWM) can be flexibly realized. This means that typical requirements for the areas of application mentioned above can generally be efficiently implemented.
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