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Toshiba is continuously developing new microcontrollers.
On this page, we provide updates on products currently in mass production as well as those under development we believe you will be interested in.

Arm® Cortex® -M3-based General Purpose Microcontrollers (upper version) for Consumer Devices

The M3H Group(2) is ranked higher than the first phase M3H Group(1). Its products have a maximum of 144-pin package line-up and a built-in maximum of 512 KB Flash ROM. 

This group is based on the Arm® Cortex®-M core, the de facto standard for embedded 32-bit microprocessors, and incorporates high-performance analog circuits and the wide range of basic functions required to support comprehensive motor control and consumer and industrial device applications. The line-up includes a range of 64 to 144-pin packages and 256 to 512KB of flash memory, and 32KB data flash memory.

Product Name
  • TXZ3 Series  M3H Group(2)
Single-Chip Low Pin-Count Microcontrollers Realizes Multiple Motor Control

Toshiba Electronic Devices & Storage Corporation announced that it has developed a new group of microcontrollers, "M4K Group(1)" that allow a single-chip with a low pin-count (32 to 64 pins) to control multiple motors. The M4K Group(1) is the second offering in Toshiba's TXZ™ family of high-speed, low power consumption microcontrollers that incorporate the Arm® Cortex®-M core, and sample shipments will start in October, 2016.
As energy saving regulations are gradually tightened and products continue to be miniaturized, demand is increasing for microcontrollers (MCUs) with low pin-count that can efficiently control multiple motors. The new products meet requirements for the motor control systems of home appliances, such as air-conditioners, and are based on the Arm® Cortex®-M4 processor with FPU, which incorporates a floating point processing unit. Integrated features include a high-precision AD convertor with a 0.5 μs conversion speed, high-speed Flash memory with 80 MHz operation, and a co-processor for Toshiba Electronic Devices & Storage Corporation's original vector engine. Together, they ensure the new products realize efficient motor control while improving the power factor and system control.
The new products support the RAMScope interface, which can confirm parameters in real time without stopping motors, by loading parameters relevant to motor control to RAM. A self-diagnostic function that confirms the reference voltage of the AD convertor, and a CRC arithmetic circuit that detects incorrect detection for every read operation of the memory are also incorporated and contribute to load mitigation of the software process.

Product Name
  • TXZ4 Series  M4K Group(1)
Arm® Cortex® -M3-based General Purpose Microcontrollers for Consumer Devices

The M3H Group(1) is based on the Arm Cortex-M core, the de facto standard for embedded 32-bit microprocessors, and incorporates high-performance analog circuits and the wide range of basic functions required to support comprehensive motor control and consumer and industrial device applications. The line-up includes low-pin-count packages (32 to 100-pin) and small flash memory sizes (32KB to 128KB).

Integrated features include a high-precision 12-bit AD converter with a 1.5μs conversion speed and an 8-bit DA converter; Toshiba's programmable motor control circuit (PMD) suitable for inverter motor control, including AC motor and BLDC motor control; and versatile general-purpose peripheral circuits including UART, I2C, TSPI, and timers. Incorporation of these high-precision analog circuits and general-purpose peripheral circuits allows the M3H Group to achieve low-power characteristics and high level functionality at the same time.

Product Name
  • TXZ3 Series  M3H Group(1)


Toshiba Launches Arm® Cortex® -M0 Core Based Microcontrollers with Built-in USB Device Controller

The new devices support various serial interface functions, including USB, SPI and I2C (Fast Mode Plus), and can function as a sensor hub transferring multiple sensor information to a main controller device or PC.
In order to meet market demand for smaller systems, all three devices are housed in small packages: BGA package 5mm x 5mm with 57-pin external connection pins; QFN package 7mm x 7mm with 48-pin external connection pins; and QFP package 10mm x 10mm with 64-pin external connection pins.
With the built-in USB device controller, incorporating the ICs as sub-microcontrollers to non-USB devices allows implementation of new USB applications.

Product Name


Arm® Cortex®-M4-based Microcontrollers for Secure Communications Control

Users of secure communications control systems increasingly require mass memory data for firmware generation management, failure analysis and high-precision consecutive data storage, as well as such high-level security features as tamper detection and information concealment. The new MCU incorporates a 514-Kbyte SRAM required for secure communications control, four types of security circuits for network communications, and an SLC NAND flash memory controller for memory expansion.
In addition, its clock-independent watchdog timer operates in accordance with a built-in clock separate from the system clock, improving security of system functions.

Product Name
  • TMPM46BF10FG


Motor control microcontroller incorporating advanced vector engine (A-VE) based on Arm® Cortex®-M4 processor with FPU core

To meet increasingly diversifying market needs in major appliances or industrial appliances, the TMPM470/TMPM475 incorporates the FPU executing single-precision floating-point and the advanced vector engine (A-VE). The A-VE is an enhanced version of the VE, which is well received in the market, by enhancing the non-interfere control function and dead time compensation function to the VE.
Furthermore, this new MCU has two programmable motor drivers (PMD) and 12-bit ADCs to operate two DC brushless motors simultaneously using single microcontroller.

Product Name

* Arm and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
* All other company names, product names, and service names mentioned herein may be trademarks of their respective companies.


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