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Texas Instruments MSP430F2121IDGVR — Microcontrollers & Processors (MCU / MPU / DSP)
Texas Instruments

MSP430F2121IDGVR 16-bit MCU, 16 MHz, 4 KB Flash, 20-TFSOP

MPNMSP430F2121IDGVR
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Texas Instruments MSP430F2xx series, MSP430F2121IDGVR, 16-bit MCU, 16 MHz, 4KB (4K x 8 + 256B) Flash, 256 x 8 RAM, 1.8V to 3.6V, -40°C to 85°C, 20-TFSOP, Tape & Reel.

$3.1000Ref. price · indicative, final on quote
MSP430F2121IDGVR datasheet
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  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
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Specifications

MSP430F2121IDGVR Technical Specifications
ParameterValue
SeriesMSP430F2xx
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed16MHz
PackageTape & Reel (TR); Cut Tape (CT)
RAM size256 x 8
Core size16-Bit
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Number of i (O)16
Core processorMSP430 CPU16
Case20-TFSOP (0.173\", 4.40mm Width)
Data convertersSlope A/D
Program memory size4KB (4K x 8 + 256B)

Product details

16-bit MSP430 at 16 MHz — what it means for your BOM

The MSP430F2121IDGVR: The MSP430F2xx series 16-bit MCU runs at 16 MHz with 4 KB Flash and 256 x 8 bytes of RAM. Supply range is 1.8 V to 3.6 V.

Memory and data conversion — design constraints

The 4 KB Flash (4K x 8 plus 256 bytes) and 256 x 8 RAM set a firm firmware budget. Expect to fit a small state machine, a few calibration tables, and a UART or SPI driver — not a full RTOS or TCP/IP stack. The integrated slope A/D converter handles slow analog inputs (e.g., temperature or battery monitoring) without an external ADC, but its conversion rate is lower than a SAR type; factor that into the sampling interval.

Frequently asked questions

What is the operating voltage range of MSP430F2121IDGVR?

The supply voltage range is 1.8 V to 3.6 V, covering single-cell Li-ion and standard 3.3 V rails.

What is MSP430F2121IDGVR's listed speed?

The core runs at 16 MHz, which sets the timing budget for instruction cycles and peripheral clocking.