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Texas Instruments MSP430FR5721IRHAR Microcontrollers

16-Bit MCU, 24MHz, 4KB FRAM, 1KB SRAM, ADC, UART/SPI/I2C, 40-VQFN

202,000 ActiveTexas InstrumentsMSP430MSP430FRVQFN (RHA)-40$2.92
MSP430FR5721IRHAR VQFN (RHA)-40 package illustration

Same model may have multiple batches, images only for reference.

MSP430FR5721IRHAR
Manufacturer
Part Number (MPN)
MSP430FR5721IRHAR
Series
Base Model
Detailed Description
16-Bit MCU, 24MHz, 4KB FRAM, 1KB SRAM, ADC, UART/SPI/I2C, 40-VQFN
Package
VQFN (RHA)-40
Lifecycle Status
Active
Datasheet
PDF MSP430FR5721IRHAR Datasheet
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Ordering Code Family

MSP430FR groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

114 ordering variants listed on the family page.

View all variants

Technical Specifications

Texas Instruments MSP430FR5721IRHAR Microcontrollers technical specifications.

General

Series
MSP430FR5721
RAM Size
1 kB
Data Bus Width
16 bit
Maximum Clock Frequency
8 MHz
RoHS
Yes
Mounting Type
SMD/SMT
Operating Temperature
- 40°C ~ + 85°C
Supply Voltage
2 V ~ 3.6 V
Core
MSP430
Program Memory Size
4 kB

Alternate Parts Comparison (MSP430FR5721IRHAR vs MSP430FR2433IRGER vs MSP430FR6972IPMR vs MSP430FR2111IPW16R)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Mounting TypeSMD/SMTSurface MountSurface MountSurface Mount
Operating Temperature- 40°C ~ + 85°C-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage2 V ~ 3.6 V1.8V ~ 3.6V1.8V ~ 3.6V1.8V ~ 3.6V
Data Bus Width16 bit16 b16 b16 b
RAM Size1 kB4 kB2 kB1 kB
RoHSYesCompliantCompliantCompliant
CoreMSP430MSP430RISCMSP430
Number of ADC Channels14 Channel888
Number of I/O32 I/O195112
Number of Timers Counters5 Timer553
PackageVQFN (RHA)-40VQFNLQFPTSSOP
Program Memory Size4 kB15.5KB (15.5K x 8)64KB (64K x 8)3.75KB (3.75K x 8)
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Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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