Toshiba has added eight devices to the M4K group of TXZ+ 32-bit MCUs offering extended flash memory and four different packaging options. Outfitted with 512 kbytes or 1 Mbyte of code flash memory, the MCUs address the need for large program capacity in IoT motor control applications. They also offer firmware over-the-air updating.
With 1 Mbyte of code flash divided into two separate 512-kbyte areas, the MCUs enable firmware rotation using memory swapping. While instructions are being read from one area, updated code can be programmed into the other area simultaneously.
In addition to the expanded flash memory, the devices also boost RAM capacity to 64 kbytes. They are powered by an Arm Cortex-M4 core running at up to 160 MHz and provide UART, tSPI, and I2C interfaces. Three 12-bit ADCs, three advanced motor control circuits, and a vector engine allow the MCUs to control three motors, even in 64-pin packages.
M4K microcontrollers can be used to control AC motors, brushless DC motors, and inverters in home appliances, power tools, and industrial equipment. Packaging options include QFP100, LQFP100, and two different size LQFP64 types.
Toshiba Electronic Devices & Storage
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