MSP430FR6989 is a new microcontroller for standalone meters. Free Technical Library News

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MSP430FR6989 - a new microcontroller for stand-alone meters

31.05.2015

The MSP430FR6989 is a new low power microcontroller from Texas Instruments. In addition to the MSP430 core architecture, which was designed with a focus on low power consumption, this controller uses FRAM. This type of memory is by far the most energy efficient and the resource of its use is many times greater than the resource of FLASH and EEPROM memory.

The implementation of meters that process rotation or linear movement of sensitive elements is simplified thanks to the extended SCAN interface module. This module facilitates the processing of signals from LC circuits, Hall sensors, magneto-resistive sensors and optical sensors with very low power consumption.

The MSP430FR6989 implements an LCD driver for direct control of segment indicators, which can operate both in static mode and in dynamic mode with multiplexing from 2 to 8 common outputs.

The MSP430FR6989 contains rich analog peripherals: comparators, a 12-bit resolution A/D converter, and an onboard voltage reference. All GPIO pins support CapTouch technology, which allows you to implement capacitive touch controls without additional external components.

To speed up the process of calculating checksums for data transmission and hiding information from outsiders, the MSP430FR6989 implements a CRC16 / 32 computing module and an AES256 encryption module.

The MSP430FR6989 implements EnergyTrace++ technology for simple and convenient debugging with real-time consumption monitoring, showing the status of the core and all peripherals.

Main Parameters of MSP430FR6989

- amount of FRAM-memory: 128 kB;
- RAM-memory: 2 kB;
- LCD module: up to 320 segments;
- number of ADC channels: 16;
- ADC resolution: 12 bits;
- maximum core frequency: 16 MHz;
- real time clock with calendar;
- supply voltage: 1,8...3,6 V.

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