Toshiba Launches ARM® Cortex®-M3-based Microcontrollers with Latest 65nm Flash Embedded Logic Process for Motor Control and Consumer Devices

TOKYO — (BUSINESS WIRE) — March 23, 2016Toshiba Corporation's (TOKYO:6502) Semiconductor & Storage Products Company today announced the launch of “M3H group” microcontrollers based on the ARM® Cortex®-M3 core, the first product group in the TXZ™ Family, a new family of products fabricated with embedded flash memory process based on the 65nm logic process. Sample shipments of 30 products in the M3H group will start in May 2016, and mass production of the first products to be released will start in January next year. Products in the M3H group are Toshiba’s first microcontrollers to employ the 65nm flash embedded logic mixed process.

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Toshiba: TXZ Family M3H group Pin count - Memory size lineup (Graphic: Business Wire)

Toshiba: TXZ Family M3H group Pin count - Memory size lineup (Graphic: Business Wire)

The M3H 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 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.

During sample shipment, Toshiba will provide technical documentation, software in which the concrete embedded examples are written, evaluation boards, and driver software for each control interface. Beyond this, various development environments satisfying diverse needs can be realized by collaboration with ARM ecosystem partners worldwide.
Toshiba continues to expand the line-up of the TXZ Family to meet the needs of the motor control and global sensing market, and aims to launch 500 products by 2020.

Key Features of New Products

  • High-performance ARM Cortex-M3 core, operating at up to 40MHz

Based on the de facto standard ARM Cortex-M core

  • A wide line-up of memory and package variations

Low-pin-count packages (32 to 100-pin) and small flash memory sizes (32KB to 128KB).

  • General-purpose microcontrollers for a wide range of applications

The wide range of applications supported by the new group covers motor control, consumer and industrial equipment.
AD converter, DA converter, PMD, UART, I2C, TSPI, timer


Consumer electronics, office automation equipment, housing and facility equipment, audio-visual equipment, motor control applications, and a wide range of consumer and industrial applications



Product Group   M3H Group
CPU ARM Cortex-M3
‒ Built-in Memory Protection Unit (MPU)
Maximum frequency 40MHz
Internal oscillator 10MHz (±1%)
Internal memory   Flash (code) 32KB to 128KB
Flash (data) 8KB to 32KB
RAM 8KB to 18KB
I/O port 24 to 87
External interrupt 6 to 16
DMA Controller (DMAC) 1 unit
Timers Timer 6 ch (use 32-bit timer)

12 ch (use 16-bit timer×2ch)

Real time clock (RTC) 0 to 1 ch
Communication UART 2 to 3 ch
I 2 C 1 to 3 ch
TSPI 1 to 2 ch
Analog 12-bit AD converter (ADC) 4 to 16 ch
8-bit DA converter (DAC) 0 to 2 ch


Advanced encoder input (A-ENC) 1ch
Programmable Motor Driver (PMD) 1ch
Remote Control Processor (RMC)

0 to 1 ch

System Watch Dog Timer (WDT) 1 ch
On-chip debug Yes (JTAG or Serial Wire)
Supply Voltage 2.7 to 5.5V
Pin counts 32 to 100pins

LQFP32 (7 mm x 7 mm, 0.8 mm pitch)
LQFP44 (10 mm x 10 mm, 0.8 mm pitch)
LQFP48 (7 mm x 7 mm, 0.5 mm pitch)
LQFP52 (10 mm x 10 mm, 0.65 mm pitch)
LQFP64 (14 mm x 14 mm, 0.8 mm pitch)
LQFP64 (10 mm x 10 mm, 0.5 mm pitch)
LQFP80 (14 mm x 14 mm, 0.65 mm pitch)
LQFP80 (12 mm x 12 mm, 0.5 mm pitch)
QFP100 (14 mm x 20 mm, 0.65 mm pitch)
LQFP100 (14 mm x 14 mm, 0.5 mm pitch)


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