MSP430F1121AIPW 16-bit Microcontroller PW Package

MSP430F1121AIPW Overview

The MSP430F1121AIPW is an ultra-low-power 16-bit microcontroller designed for battery-powered and space-constrained industrial controls. It combines a compact instruction set core with integrated analog and timing peripherals to enable efficient sensing, control and timing tasks. The device supports multiple low-power modes and a wide supply range, making it suitable for longer run-time and smaller energy budgets compared with many 8-bit alternatives. For sourcing and additional product support visit IC Manufacturer.

MSP430F1121AIPW Technical Specifications

MSP430F1121AIPW Key Features

• 16?bit MSP430 core ?C delivers higher computational throughput per cycle versus typical 8?bit MCUs for tighter control loops.
• 2 KB flash + 128 B RAM ?C compact nonvolatile storage and volatile memory for code and small data buffers, keeping BOM and PCB area lower.
• Wide supply range ?C 1.8?C3.6 V operation supports single?cell lithium and common coin?cell systems for longer battery life.
• Low?power modes ?C multiple LPM states reduce active energy consumption, enabling multi?year battery operation in duty?cycled systems.
• 16?bit Timer_A ?C precise timing and capture/compare support for PWM, timekeeping, and event counting in motor or LED control.
• On?chip comparator ?C simple analog input decisions without external comparators, reducing component count and cost.
• Integrated watchdog ?C improves reliability by recovering from software faults with minimal external circuitry.
• Compact I/O ?C up to 10 GPIOs allow direct interfacing to sensors, switches and status indicators in small form?factor designs.

Typical Applications

• Battery?powered sensor nodes and handheld instruments where extended run time and small flash/RAM footprints reduce system cost and energy draw.
• Consumer and industrial metering interfaces requiring low standby current, simple analog comparison and periodic sampling for long service intervals.
• Portable medical devices that need deterministic timing, low quiescent consumption and compact code memory for calibration and monitoring routines.
• Appliance and motor control front?end tasks such as simple PWM generation, event capture and brown?out monitoring in constrained BOM designs.

MSP430F1121AIPW Advantages vs Typical Alternatives

The MSP430F1121AIPW offers a 16?bit architecture with focused on?chip peripherals that typically deliver better energy efficiency and computational density than many 8?bit devices. With a 1.8?C3.6 V supply window and multiple low?power modes, the device reduces system battery requirements and enables smaller power supplies. Its integrated comparator and timer functions lower component count and PCB area, providing a simpler design path compared with microcontrollers that need external analog or timing ICs.

MSP430F1121AIPW Brand Info

The MSP430F1121AIPW is part of the MSP430 microcontroller family from Texas Instruments. Texas Instruments provides development tools, documentation and reference designs for MSP430 devices, enabling engineers to accelerate firmware development and hardware integration for low?power embedded systems.

FAQ

What supply voltages are supported?

The device operates across a 1.8?C3.6 V range, supporting common single?cell lithium and coin?cell supplies for portable and low?power applications.

How much program memory is available?

Flash memory is 2 KB, suitable for compact firmware images, boot code and small application stacks for sensors and simple control tasks.

How much RAM does it provide?

On?chip SRAM is 128 bytes, providing short data buffering and runtime variables for minimal?footprint embedded applications.

What timing peripherals are included?

The MSP430F1121AIPW includes a 16?bit Timer_A block for PWM, capture/compare and interval timing, useful for precise control and scheduling.

Does it include analog input features?

The device includes Comparator_A+ for analog threshold detection and simple signal comparison without requiring an external comparator, reducing parts count.