Nohau In-Circuit Emulator and BDM Debugger Support MC9S12XDP512 MCUs

6/17/2004 - Nohau Corporation announced that it offers full-featured emulator and BDM debugger support for the newly released MC9S12XDP512 microcontrollers, of the HCS12 family, from Motorola Inc.’s Semiconductor Product Sector. Nohau’s emulators bring sophisticated debugging features to assist users in their development, and getting product to market faster.

The MC9S12X family full-emulator operates to bus speeds of 28MHz at both 5V and 3.3V. The new personally CPU-modules are offered for the 9S12XDP512 MCU. They use of all the 9S12X family internal features and resources is supported. The emulator regenerates the paged-address signals at full-speed, which allows debugging of both paged and non-paged programs on any of the 9S12X family members.

The full-featured emulator Emulation RAM can be used to replace the internal FLASH, to allow an easy debug process. Executing from the internal FLASH is also allowed and may be useful for late debug stages. A full CMOS-levels Port Replacement Unit (PRU) operates at both 5V and 3.3V, and is used to recreate ports A, B and E. An unlimited number of hardware and software breakpoints are available. A fully non-intrusive 64K Shadow RAM exists to allow viewing memory and SFR variables and structures writes during run-time, and is available to be displayed under all operating conditions. BDM emulator with internal Flash programming and un-securing support is also offered by Nohau, and uses the same GUI as the full-featured emulator. Software support for the 9S12X internal-trace is under design and will be included with the full-emulator and BDM-emulator for no additional cost. Support for the full-emulator external hardware trace already exists.

“Nohau is pleased to offer this tool in a timely manner, enhancing Nohau’s support of all HCS12 based derivatives,” said Olle Hallengren, president of Nohau Corporation. “This continues our alliance with Motorola extending the number of supported derivatives for the HCS12 family.”

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