Specifications
| Type | Description |
|---|---|
| Part Number | MSP430FR5041 |
| Manufacturer | Texas Instruments |
| Product Type | 16-MHz ultrasonic sensing MCU |
| Category | Microcontroller |
| Component Type | MCU |
| Package / Case | LQFP (64) 10 mm × 10 mm; VQFN (64) 9 mm × 9 mm |
| CPU Architecture | 16-bit RISC |
| Maximum CPU Clock Frequency | 16 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Nonvolatile Memory Type | FRAM |
| Maximum FRAM Capacity | Up to 64 KB |
| FRAM Write Speed | 125 ns per word |
| FRAM Endurance | 10^15 write cycles |
| RAM Capacity | 12 KB |
| LEA Shared RAM | 8 KB |
| Active Mode Current | Approximately 120 µA/MHz |
| Standby Mode Current | 450 nA |
| Shutdown Current | 30 nA |
| Ultrasonic ADC Resolution | 12-bit |
| Ultrasonic ADC Output Data Rate | Up to 8 Msps |
| PGA Gain Range | -6.5 dB to 30.8 dB |
| PLL Output Frequency Range | 68 MHz to 80 MHz |
| PHY Output Driver Impedance | 4 Ω |
| Supported Ultrasonic Sensor Frequency | Up to 2.5 MHz |
| Metering Test Interface Pulse Rate | Up to 1024 pulses/s |
| Metering Test Interface Count Capacity | 65535 counts |
| MTIF Low-Power Current | 200 nA typical |
| DMA Channels | 6 channels |
| Timers | 6 × 16-bit timers |
| Hardware Multiplier | 32-bit |
| ADC Peripheral | 12-bit ADC with up to 8 external input channels |
| Analog Comparator | 12-channel |
| LCD Driver | Up to 248 segments |
| AES Security | 128-bit or 256-bit |
| UART Interfaces | Up to 4 eUSCI_A ports |
| I2C Interfaces | Up to 2 eUSCI_B ports |
| Datasheet Status | request_only |
Product Overview
The MSP430FR5041 is a Texas Instruments 16-MHz ultrasonic sensing MCU in the Microcontroller category. It integrates a 16-bit RISC embedded microcontroller core, FRAM nonvolatile memory up to 64 KB, 12 KB RAM, and 8 KB RAM shared with the LEA subsystem. The device operates from 1.8 V to 3.6 V, with minimum supply voltage restricted by SVS levels.
For ultrasonic sensing, the MSP430FR5041 includes a USS_A module with a 12-bit high-speed sigma-delta ADC delivering up to 8 Msps. The sensing chain also includes a programmable gain amplifier from -6.5 dB to 30.8 dB, a 68 MHz to 80 MHz PLL, a 4 Ω PHY output driver, and direct support for standard ultrasonic sensors up to 2.5 MHz.
Peripheral integration includes 6 DMA channels, six 16-bit timers, a 32-bit hardware multiplier, a 12-bit ADC with up to 8 external inputs, a 12-channel analog comparator, an LCD driver for up to 248 segments, AES-128 or AES-256 coprocessing, up to 4 UART ports, and up to 2 I2C ports. Package options are LQFP (64) 10 mm × 10 mm and VQFN (64) 9 mm × 9 mm.
Key Features
- 16-bit RISC core operating up to 16 MHz
- FRAM memory up to 64 KB with 125 ns writes
- 12 KB RAM, including 8 KB shared with LEA
- 1.8 V to 3.6 V supply voltage range
- Active current approximately 120 µA/MHz
- LPM3.5 standby current of 450 nA with RTC
- 12-bit ultrasonic sigma-delta ADC up to 8 Msps
- PGA gain range from -6.5 dB to 30.8 dB
- Direct ultrasonic sensor interface up to 2.5 MHz
- AES coprocessor supports 128-bit or 256-bit encryption
Typical Applications
- Ultrasonic sensing modules
- Ultrasonic metering interfaces
- Battery-powered measurement devices
- Segment LCD display systems
- Low-power data acquisition
- Encrypted embedded control
- UART and I2C connected controllers
Procurement Notes
When requesting a quote for MSP430FR5041, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For MCU, processor and logic IC sourcing, package, operating voltage, temperature grade, speed or frequency grade, firmware or mask version, lifecycle status and programming requirements should be checked before approval.
FAQ
What core architecture does the MSP430FR5041 use?
The MSP430FR5041 uses an embedded 16-bit RISC microcontroller core. Its maximum CPU clock frequency is 16 MHz, matching its role as a 16-MHz ultrasonic sensing MCU.
What memory resources are integrated in the MSP430FR5041?
The device integrates FRAM nonvolatile memory up to 64 KB, with 125 ns per word write speed and 10^15 write cycle endurance. It also includes 12 KB RAM, including 8 KB shared with the LEA subsystem.
What ultrasonic sensing capabilities are provided?
The USS_A module includes a 12-bit high-speed sigma-delta ADC with output data rate up to 8 Msps, a PGA from -6.5 dB to 30.8 dB, a 68 MHz to 80 MHz PLL, and sensor support up to 2.5 MHz.
Which package options are listed for MSP430FR5041?
The extracted package options are LQFP with 64 pins in a 10 mm × 10 mm body and VQFN with 64 pins in a 9 mm × 9 mm body.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.