Optimized for IoT devices, equipped with Ethernet and CAN controller
KAWASAKI, Japan, October 19, 2021--(BUSINESS WIRE)--Toshiba Electronic Devices & Storage Corporation ("Toshiba") has started mass production of 20 new microcontrollers in the M4N group as new products in the TXZ+™ Family Advanced Class manufactured in a 40nm process. The M4N group includes an Arm Cortex-M4 core with FPU, running up to 200MHz, with an integrated maximum 2MB code flash and 32KB data flash memory with maximum 100K write cycle endurance. These microcontrollers also offer various interface and communications options, such as Ethernet, CAN and USB 2.0 FS OTG controller with integrated PHY. M4N group devices are suited for office equipment, building and factory automation, and Industrial networking and information management devices.
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Toshiba: Arm(R) Cortex(R)-M4 Microcontrollers for Motor Control (Graphic: Business Wire)
The new M4N group products have enhanced communications functions integrated as a serial memory interface that also supports Quad/Octal SPI, an audio interface (I2S), and an external bus interface, in addition to UART, FUART, TSPI, and I2C, which are supported by a built-in 3-unit DMAC. Moreover, the devices can allocate independent DMA and RAM for each peripheral circuit, and use a bus matrix circuit configuration that ensures efficient data transfers by the bus master. As a result, M4N group devices enable Ethernet controller, CAN, and USB controller to be processed independently in parallel at the same time.
These devices support a variety of sensing applications with a high-speed, high-precision 12-bit analog/digital converter that allows individual sample hold times to be set for each AD input channel with up to 24 channels.
The self-diagnosis functions incorporated in the devices for ROM, RAM, ADC and Clock help customers to achieve IEC60730 Class B functional safety certification.
Documentation, sample software with an example of actual usage, and driver software that controls the interfaces for each peripheral can be downloaded from the Toshiba website. Evaluation boards and development environments are provided in cooperation with Arm global ecosystem partners.
Major features of new products
High performance Arm Cortex-M4 core with FPU, max 200MHz
Motor control functions and communication interfaces
Self-diagnosis functions for IEC60730 class B functional safety
Industrial networking and information management devices requiring Ethernet USB and CAN connectivity.
Printers, communications equipment for building and factory automation, IoT home appliances, home security, smart meters etc.,
‒ floating-point unit (FPU)
Max operation frequency
(Rewritable up to 100,000 times)
32KB (rewritable up to 100,000 times)
192KB/256KB and Backup RAM 2KB
86 to 146
9 to 16
External bus interface
8/16bit width (separate/multiplexed bus)
DMA controller (DMAC)
Multi-function DMAC: 1 unit
High-speed DMAC: 2 units
32-bit Timer Event Counter
Long Term Timer: 1 channel
Real-time Clock: 1 channel
Asynchronous Serial Communication:
3 to 6 channels
Full Universal Asynchronous Receiver Transmitter: 1 to 2 channels
3 to 5 channels
Serial Peripheral Interface: 5 to 9 channels
Synchronous serial interface:
1 to 2 channels
Serial Memory Interface: 1 channel
CAN controller: 2 units
Universal Serial Bus: 1 to 2 units
(USB 2.0 FS OTG controller with integrated PHY)
Ethernet controller (MII,RMII): 1 unit
12-bit AD converter
16 to 24 channel input
8-bit Digital to Analog converter
Motor control (A-PMD)
Remote Control Signal Preprocessor:
1 to 2 channels
Interval Sensor Detection Circuit:
1 to 3 units
FIR calculation circuit: 1 channel
Voltage Detection Circuit: 1 channel
Oscillation Frequency Detector: 1 channel
On-chip debug function
Serial Wire /JTAG
2.7 to 3.6V, single voltage supply
Package / Pin
LQFP176 (20mm x 20mm, 0.4mm pitch)
See the URL below for further details on new products.
See the URL below for further details on Toshiba Microcontrollers.
* Arm and Cortex are registered trademarks of Arm limited (or its subsidiaries) in the US and/or elsewhere.
* TXZ+™ is a trademark of Toshiba Electronic Devices & Storage Corporation.
* Other company names, product names, and service names may be trademarks of their respective companies.
MCU & Digital Device Sales & Marketing Dept.
* Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.
About Toshiba Electronic Devices & Storage Corporation
Toshiba Electronic Devices & Storage Corporation, a leading supplier of advanced semiconductor and storage solutions, draws on over half a century of experience and innovation to offer customers and business partners outstanding discrete semiconductors, system LSIs and HDD products.
The company's 22,000 employees around the world share a determination to maximize product value, and promote close collaboration with customers in the co-creation of value and new markets. With annual sales now surpassing 710-billion yen (US$6.5 billion), Toshiba Electronic Devices & Storage Corporation looks forward to building and to contributing to a better future for people everywhere.
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Digital Marketing Department
Toshiba Electronic Devices & Storage Corporation