MSP430F149IPAG Overview
The MSP430F149IPAG is a low-power, 16-bit microcontroller optimized for battery-powered and precision-sensing systems. It combines a 16-bit RISC core with integrated analog and digital peripherals to reduce external components and board area. The device supports an on-chip 10-bit analog-to-digital converter, multiple timers and serial communication modules to handle measurement, timing and interface tasks with fewer external ICs. Designed for efficient code density and long run-time, it suits metering, portable instrumentation and embedded control designs. See full sourcing and documentation at IC Manufacturer.
MSP430F149IPAG Technical Specifications
| Parameter | Value |
|---|---|
| CPU | 16-bit RISC |
| Maximum core frequency | Up to 16 MHz |
| Flash memory | 60 KB |
| SRAM | 2 KB |
| ADC | 10-bit, up to 8 channels |
| I/O pins | Up to 48 general-purpose I/O |
| Operating voltage | 1.8 V to 3.6 V |
| Package | 68-pin PLCC (IPAG) |
| Temperature range | -40 ??C to +85 ??C |
| Low-power modes | Multiple LPMs, ??A-range standby currents |
MSP430F149IPAG Key Features
- One 16-bit RISC core delivering compact code and faster integer math for control loops and signal processing.
- On-chip 10-bit ADC with multiple channels, allowing direct sensor connection and reducing external converter needs.
- Multiple timers and serial peripherals for flexible timing, PWM and communications, improving system integration.
- Ultra-low-power modes and sub-mA active consumption to extend battery life in portable and remote systems.
Typical Applications
- Battery-powered data loggers where low active and standby current extend deployment intervals and reduce maintenance frequency.
- Portable medical instruments that require 10-bit analog measurement accuracy plus low-power standby between measurements.
- Utility metering and energy monitors combining on-chip ADC, timers and nonvolatile code storage for reliable field operation.
- Industrial sensors and controllers that need a compact 16-bit MCU with integrated peripherals to minimize BOM and footprint.
MSP430F149IPAG Advantages vs Typical Alternatives
The MSP430F149IPAG emphasizes lower run-time power and tighter integration compared with general-purpose 8-bit MCUs. With a 16-bit core and compact flash memory, it offers better integer performance and smaller code size for control and signal-processing tasks. Integrated ADC and multiple timers reduce the need for external components, improving reliability and lowering system cost. For battery-dependent applications, the multiple low-power modes deliver longer uptime versus higher-power alternatives.
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MSP430F149IPAG Brand Info
The MSP430F149IPAG is produced by Texas Instruments, a global semiconductor company known for analog and mixed-signal ICs and microcontrollers. TI??s MSP430 family targets ultra-low-power embedded applications, providing documented toolchains, application notes and ecosystem support for rapid development and production scaling.
FAQ
What core architecture does it use?
The device uses a 16-bit RISC architecture optimized for low-power operation and efficient code density, suitable for control, timing and medium-precision math tasks in embedded systems.
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What analog inputs are available?
It includes a 10-bit analog-to-digital converter with multiple input channels, enabling direct connection to sensors for voltage-based measurements without external ADCs.
Which power supply range is supported?
The operating supply range supports low-voltage systems common in portable designs and microcontroller-based instrumentation, ensuring compatibility with standard battery chemistries and regulated supplies.
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How many I/O and peripherals are provided?
The part exposes many general-purpose I/O pins plus timers and serial interfaces, allowing designers to implement UART/SPI/I2C-style communication, PWM and event-driven control with fewer external chips.
Where to find development tools and support?
Texas Instruments provides development kits, reference designs and software tools for the MSP430 family, along with documentation and application notes to accelerate evaluation and production deployment.



