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Texas Instruments MSP430FR5859IRHAR — Microcontrollers & Processors (MCU / MPU / DSP)
Texas Instruments

Texas Instruments MSP430FR5859IRHAR MCU, 16-bit, 16 MHz

MPNMSP430FR5859IRHAR
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Texas Instruments MSP430FR5859IRHAR, 16-bit MSP430 CPUXV2 MCU, 16 MHz, 64 KB FRAM, 2K x 8 RAM, 33 I/O, 14x12b ADC, 1.8V-3.6V, -40°C to 85°C, 40-VFQFN Exposed Pad.

$3.1665Ref. price · indicative, final on quote
MSP430FR5859IRHAR datasheet
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Specifications

MSP430FR5859IRHAR Technical Specifications
ParameterValue
SeriesMSP430™ FRAM
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFRAM
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed16MHz
PackageTape & Reel (TR)
RAM size2K x 8
Core size16-Bit
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityI²C, IrDA, SCI, SPI, UART/USART
Number of i (O)33
Core processorMSP430 CPUXV2
Case40-VFQFN Exposed Pad
Data convertersA/D 14x12b
Program memory size64KB (64K x 8)

Product details

FRAM-based 16-bit MCU in a 40-VFQFN package

The MSP430FR5859IRHAR: Its distinguishing feature is 64 KB of FRAM program memory — a non-volatile, fast-write, low-power memory that unifies code and data storage, eliminating the need for separate EEPROM. Typical applications include sensor nodes, metering, industrial control, and battery-powered instrumentation where low power and non-volatile data logging are critical.

FRAM writes at bus speed with no erase cycle overhead, unlike Flash. For a firmware engineer, this means you can treat the 64 KB program space as a unified memory: store calibration constants, configuration tables, and data logs alongside code without wear-leveling or sector management. The 2K x 8 RAM handles stack and scratchpad. The 14-channel 12-bit ADC samples analog inputs directly — no external converter needed for mixed-signal sensor front-ends.

The base product number is MSP430FR5859, covering multiple package and temperature variants within the family.

Frequently asked questions

What is the FRAM size of MSP430FR5859IRHAR?

The FRAM program memory is 64 KB (64K x 8). This non-volatile memory writes at bus speed and does not require erase cycles, unlike Flash.