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PLS’ UDE supports Renesas RH850/U2A automotive MCU with cluster multicore debug capabilities

Lauta (Germany), March 16, 2022 – With the latest version of the Universal Debug Engine® (UDE), PLS Programmierbare Logik & Systeme now also provides developers with extensive functions for multicore debugging of the RH850/U2A Automotive MCU from Renesas.

The high-performance microcontroller, designed as a cross-domain controller and equipped with up to 16 MByte flash memory and 3.6 MByte SRAM, allows the integration of multiple applications into a single chip. At the same time, it meets the highest demands in terms of functional safety and cyber security. With up to four cores, each clocked at 400 MHz and with the option to operate in lock-step mode, the RH850/U2A offers a top-level ratio of performance vs. power consumption. For demanding timer tasks and the extensive signal processing usually required in automotive applications, the chip also features a Generic Timer Module (GTM) developed by Bosch.

The UDE’s particularly user-friendly and intuitive user interface significantly facilitates application development for these MCUs. For example, the UDE enables control of all cores for debugging, testing and in-depth system analysis within one single debugger instance. Thus, there is no need to open separate debuggers for the individual cores of the RH850/U2A.

Depending on the software architecture and application partitioning, the UDE allows developers to control the cores of the RH850/U2A using traditional run-mode debugging, i.e., breakpoints or single-stepping, either all together, in groups, or individually. All cores in such a run-control group can be started and stopped almost synchronously. This guarantees always a consistent state of the respective application during debugging. For the first time, it is also possible to define multiple groups for synchronizing the cores, for example with two cores per group. With the help of this function, even application clusters can be directly mapped within the debug environment.

Furthermore, multi-core breakpoints used in shared code support debugging of complex applications. A multi-core breakpoint acts completely independently of which core of the associated run control group is currently executing the code in question.

Configuration dialogs within UDE of course enable the full utilization of the extensive trigger options offered by the RH850/U2A’s on-chip debug system. Developers can, for example, realize their own breakpoints based on complex conditions and even on state machines.

Programming of the up to 16 MByte internal flash ROM is handled by the UDE MemTool which is an integral part of UDE. In addition to its standard functionality, the versatile tool also offers special support for the RH850/U2A-specific configuration and security settings as well as for flash sector protection.

PLS Programmierbare Logik & Systeme GmbH

PLS Programmierbare Logik & Systeme GmbH, based in Lauta (Germany), is the manufacturer of the debugger, test and trace framework Universal Debug Engine® (UDE®). Thanks to its innovative tools for embedded software development, PLS has developed into one of the technology leaders in this field since its foundation in 1990. The UDE combines powerful capabilities for debugging, testing and system-level analysis with efficiency and ease of use. The UAD2pro, UAD2next and UAD3+ access devices of the Universal Access Device (UAD) family complete the comprehensive debug functions of UDE and enable fast, robust and flexible communication with the target system.
For further information about our company, products and services, please visit our website at www.pls-mc.com.

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