Low-power performance-enhanced 32-bit microcontrollers

January 13, 2021 // By Jean-Pierre Joosting
Low-power performance-enhanced 32-bit microcontrollers
Based on Arm® Cortex®-M technology, the latest additions to Toshiba's microcontroller lines are highly suited to motor control applications.

Toshiba Electronics Europe GmbH has strengthened its presence in the low-power microcontroller market through a greater breadth of product groups within its TXZ+™ family. Optimised for motor control systems, domestic appliances, human machine interfaces and connected IoT infrastructure, these highly integrated devices are based on Arm® Cortex®-M processor cores. They leverage a 40nm CMOS process that exhibits reduced operating and standby current levels. This allows them to deliver superior performance alongside elevated energy efficiency.

With a broad array of different flash memory capacity options (up to 2 MB, with 100k write cycle endurance), plus various package formats available, customers can benefit from the convenience of a scalable platform. This will allow them to address different requirements while reducing the associated engineering effort and maximising software re-use.

Each microcontroller features a multi-channel 12-bit analogue-to-digital converter (ADC). Among the different interfaces that may be specified are CAN, Ethernet and USB. Security mechanisms such as secure boot and access authentication, plus IEC60730 Class B-compliant functional safety features are all included.

Devices in the new M3H group are based on the Arm® Cortex®-M3 processor core. Operating at up to 120 MHz (150 DMIPS), they are supplied in LQFP packages. They each feature 512 KB code flash, 32 KB data flash and 4 KB of separated user flash, complemented with a 12-bit ADC and two 8-bit digital-to-analogue converters (DACs). Other highlights include advanced programmable motor driver (A-PMD) functionality and built-in LCD driving capabilities.

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