MSP430F1121AIDGV Overview
The MSP430F1121AIDGV is a low-power, 16?bit microcontroller designed for compact industrial and battery-powered systems. It pairs a 16?bit RISC core with integrated analog and digital peripherals to simplify sensor interfacing and control tasks. The device supports multiple low?power modes and basic serial and timer functions for cost-sensitive designs. For component sourcing and manufacturer details visit IC Manufacturer.
MSP430F1121AIDGV Technical Specifications
| CPU | 16?bit RISC core |
| Maximum clock frequency | 16 MHz |
| Operating voltage | 1.8 V to 3.6 V |
| Temperature range | -40 ??C to 85 ??C |
| Flash memory (program) | 2 KB |
| RAM (data) | 128 B |
| ADC | 10?bit SAR, single channel, up to 200 kSPS |
| Timer | 1 ?? 16?bit Timer_A |
| Serial interface | USI (UART/SPI capable) |
| Package | VQFN / DGV package style (industry standard) |
MSP430F1121AIDGV Key Features
- 16?bit RISC core delivering simple instruction flow and efficient code density for lower memory demand.
- Integrated 10?bit ADC for direct sensor digitization without external converters, reducing board area and BOM.
- Ultra?low power modes that minimize current draw in sleep states and extend battery life in portable systems.
- Timer_A and USI provide deterministic timing, PWM and basic serial comms for control and communication tasks.
Typical Applications
- Battery?powered sensor nodes where low active and standby current extends operational life and reduces maintenance intervals.
- Simple industrial controllers that need precise timing, a compact footprint, and reliable analog measurement on a single chip.
- Portable medical and instrumentation devices that require a small MCU with a 10?bit ADC for basic signal capture and analysis.
- Consumer and handheld products where cost, low power, and integrated peripheral set help shrink BOM and PCB area.
MSP430F1121AIDGV Advantages vs Typical Alternatives
The device offers a compact, low?power 16?bit solution that often costs less and uses fewer external components than alternatives. Its integrated 10?bit ADC and Timer_A reduce the need for discrete analog or timing ICs. The broad supply range (1.8?C3.6 V) and industry temperature rating support both battery and industrial use. Designers gain simpler power management and smaller PCB area when compared to higher?power 32?bit microcontrollers or designs that require separate ADCs.
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MSP430F1121AIDGV Brand Info
MSP430F1121AIDGV is a Texas Instruments family member. Texas Instruments is a global semiconductor leader known for low?power microcontrollers and analog solutions. The MSP430 series focuses on energy efficiency, compact integration, and reliable performance for embedded and industrial markets.
FAQ
What core does this MCU use?
It uses a 16?bit RISC core. That core offers compact code and deterministic execution, which helps reduce memory use and simplify timing in embedded applications.
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What is the valid supply voltage?
The device operates from 1.8 V to 3.6 V. This range supports single?cell battery systems and standard 3.3 V logic domains common in industrial and portable designs.
Does it include an ADC?
Yes. A 10?bit successive?approximation ADC is integrated. It enables direct connection of analog sensors without adding an external ADC component.
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What serial interfaces are available?
Communication is provided via a USI block capable of UART and SPI modes. This supports simple serial links and basic peripheral communications without extra UART/SPI ICs.
Is it suitable for battery operation?
Yes. The device supports several low?power modes and low active current per MHz, making it suitable for battery?operated sensors and portable products where power budget is critical.



