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Technical reference
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Texas Instruments
16-bit Microcontrollers - MCU MSP430FR68221 16 MHz Ultra-Low-Power MCU featuring 64 KB FRAM, 2 KB SRAM, 51 IO, ADC12, LCD 64-VQFN -40 to 85
Semiconductors > Integrated Circuits - ICs > Embedded Processors & Controllers > Microcontrollers - MCU > 16-bit Microcontrollers - MCU