New MSP432 Microcontroller Family

Not so long ago, Texas Instruments launched a series of 32-bit microcontrollers with MSP432. The controller runs on the ARM® Cortex®-M4F core. This family is a “descendant” of one of the most common TI controllers — 16-bit MSP430, but with a much larger memory address space (4 GB versus 64 KB) and normal support for floating point operations (according to IEEE754 ). The manufacturer promises simple porting of projects from the MSP430 to the new family.



As with the MSP430, the controllers in this series are focused on low power consumption , 95µA / MHz in active mode and 80nA in standby mode. To reduce power consumption, a system of selective storage of RAM can be used: the memory is divided into 8 sections, each of which can be turned off, thereby reducing the current consumption by 30 nA for each section. The power supply voltage of the microcontroller ranges from 1.62 to 3.7 V. The clock frequency is up to 48 MHz (MSP430 is up to 25 MHz).

A 14-bit ADC (consuming 375 uA per mega-sample per second) and a 256-bit AES encryption module are available from the periphery on the controller, UART, SPI and I2C are supported from the communication interfaces, there is an 8-bit DMA. 256 KB of flash memory and 64 KB of RAM are provided.
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A debug card from the LaunchPad family with this microcontroller and a card with a socket for a controller in a 100-pin LQFP package are currently available.



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