MSP430F5329 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
Texas Instruments MSP430F5329 is a 16-bit ultra-low-power mixed-signal microcontroller with up to 256 KB Flash and 18 KB RAM. It operates at up to 25 MHz with integrated USB 2.0 full-speed controller, 12-bit ADC, and multiple communication peripherals. The 80-pin QFP package supports rich I/O for portable metering and USB-connected embedded applications.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 80
- Lifecycle
- ACTIVE
- Datasheet
- MSP430F5329 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MSP430F5329?
- Ultra-low-power operation down to 1.8 V with standby current below 2.5 µA for extended battery life
- Integrated USB 2.0 full-speed controller enabling direct USB connectivity without external USB bridge ICs
- 256 KB Flash and 18 KB RAM supporting complex firmware with data logging on a 16-bit RISC core at 25 MHz
- 12-bit ADC with internal reference and up to 12 input channels for precise mixed-signal measurement
- 80-pin QFP package providing ample I/O for multi-interface designs combining USB, UART, SPI, and I2C simultaneously
What is MSP430F5329 used for?
The MSP430F5329 is designed for portable metering instruments, USB data loggers, and battery-powered medical monitoring devices that demand ultra-low active and standby power. Its integrated USB 2.0 full-speed controller allows direct connection to a host PC for data transfer at up to 12 Mbps without an additional USB bridge chip, lowering BOM cost and reducing board area. The 16-bit RISC core at 25 MHz combined with a 12-bit ADC suits precision energy measurement, flow sensing, and portable analytical instruments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the MSP430F5329 datasheet?
MSP430F5329 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for MSP430F5329?
Compatible alternatives and drop-in replacements for MSP430F5329:
RISC Microcontroller, 16-Bit, FLASH, MSP430 CPU, 25MHz, CMOS, PQFP80
Frequently Asked Questions
How does the MSP430F5329's integrated USB 2.0 controller reduce BOM complexity compared to USB bridge solutions?
The MSP430F5329 integrates a USB 2.0 full-speed controller supporting 12 Mbps data transfer directly on-chip, eliminating the need for external USB bridge ICs such as the FTDI FT232 or CP2102. This saves approximately 1 to 2 ICs per board, reducing BOM cost by several dollars per unit and freeing PCB area equivalent to a 16-pin SOIC footprint in USB data logger and instrument designs.
What is the minimum supply voltage and typical standby current of the MSP430F5329 for battery-powered applications?
The MSP430F5329 operates from 1.8 V minimum supply and draws as little as 2.5 µA in LPM3 standby mode with the real-time clock running. This low standby current enables a 1000 mAh lithium coin cell to sustain the MCU in sleep mode for over 1.5 years, making it ideal for long-life metering and wireless sensor nodes that wake periodically for measurement.
How many ADC input channels does the MSP430F5329 provide and what is its resolution?
The MSP430F5329 integrates a 12-bit SAR ADC with up to 12 external input channels plus internal temperature sensor and supply voltage monitor inputs. At 12-bit resolution the ADC provides 4096 discrete levels across the 2.5 V internal reference, achieving approximately 0.6 mV per LSB—sufficient for precision energy metering, flow rate sensing, and electrochemical sensor interfaces.
For which portable USB instrument designs does the MSP430F5329 outperform an MSP430F5309 with fewer pins?
Designs requiring simultaneous USB host/device capability plus multiple serial interfaces—such as portable oscilloscopes, spectrum analyzers, or multi-channel data recorders—benefit from the MSP430F5329's 80-pin QFP offering more I/O than the 48-pin MSP430F5309. When more than 40 GPIO lines or 12 ADC inputs are needed alongside the USB controller, the MSP430F5329 eliminates the need for I/O expander ICs.
What memory configuration does the MSP430F5329 provide and how does it compare to smaller MSP430F5 members?
The MSP430F5329 provides 256 KB Flash and 18 KB RAM, representing the upper end of the MSP430F5xx family. Entry-level members such as MSP430F5308 offer only 16 KB Flash and 2 KB RAM—16 times less Flash and 9 times less RAM—making the MSP430F5329 necessary for firmware stacks combining USB device class drivers, real-time OS kernels, and on-chip data logging buffers exceeding 10 KB.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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