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Additions to TXZ Family Advanced Class have interface and motor options

Optimised for the main control of consumer and industrial equipment and motor control, the 21 microcontrollers in the M3H group, part of the company’s TXZ Family Advanced Class are manufactured in a 40nm process.

The M3H group includes an Arm Cortex-M3 core running at speeds up to 120MHz, integrated 512kbyte (max) code flash and 32kbyte data flash memory with 100k write cycle endurance as well as 64kbyte of RAM. There are various interface and motor control options, such as an encoder, and programmable motor driver to make the devices suitable for a range of applications, such as motor control, home appliances and industrial equipment. 

They also have enhanced communications functions integrated as UART, TSPI, I2C, and a two-unit DMA controller (DMAC). An integrated digital LCD driver reduces the number of components for the display function, to facilitate contrast adjustment and offer more opportunities for board layout.

Sensing applications are supported with a high speed, high precision 12-bit ADC which allows individual sample and hold times to be set for each of the 12 to 21 ADC input channels. They can also be used for controlling AC motors and brushless DC motors when combined with an on-chip advanced programmable motor driver (A-PMD) circuit that can operate synchronously with the ADC.

Also included is a dual-channel, 8-bit DAC and up to 135 dedicated I/O ports. Other peripherals include a remote control signal pre-processor and CRC (cyclic redundancy check) calculation circuit.

The self-diagnosis functions incorporated in the devices for ROM, RAM, ADC and clock help customers to achieve IEC60730 Class B functional safety certification, adds the company.

All microcontrollers operate from 2.7 to 5.5V DC and are housed in high-density 64 to 144 pin LQFP packages.

Documentation, sample software with actual usage examples and driver software can be downloaded from the company’s website.

Evaluation boards and development environments are provided in co-operation with Arm ecosystem partners.

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