MSP430G2101IPW14R Overview
The MSP430G2101IPW14R is an ultra-low-power 16-bit microcontroller aimed at compact, battery-powered systems and cost-sensitive industrial designs. It combines a 16-bit RISC CPU, a single 16-bit Timer_A, a Universal Serial Interface (USI), and watchdog and low-power modes in a 14-pin TSSOP footprint. The device supports an industrial temperature range and a wide supply window, which makes it suitable for robust embedded control tasks where small size, low quiescent current, and simple serial connectivity matter. More details are available from IC Manufacturer.
MSP430G2101IPW14R Technical Specifications
| Parameter | Value |
|---|---|
| CPU core width | 16-bit |
| Maximum CPU clock | 16 MHz |
| Recommended supply voltage (VCC) | 1.8 V to 3.6 V |
| Operating temperature range | -40 ??C to +85 ??C |
| Package type | TSSOP, 14 pins (PW) |
| Package quantity code | IPW14R (14-pin, tape & reel) |
| Number of general-purpose I/O | 10 GPIO pins |
| Timers | 1 ?? 16-bit Timer_A with 2 capture/compare registers |
| Serial interface | 1 ?? USI (serial communications: SPI/I2C/Simple UART) |
| Watchdog timer | 1 independent watchdog timer |
| Low-power modes | 5 low-power modes (LPM0?CLPM4) |
MSP430G2101IPW14R Key Features
- 16-bit RISC core for efficient integer math and reduced code size compared to typical 8-bit MCUs.
- Single 16-bit Timer_A with two capture/compare registers for precise timing, pulse width modulation, and event capture.
- USI serial interface that supports SPI, I2C, and simple UART modes, enabling flexible external sensor and peripheral connectivity.
- Ultra-low-power operation with five low-power modes to extend battery life in portable and always-on applications.
- Compact 14-pin TSSOP package that reduces PCB area while providing up to ten GPIO lines for modest I/O requirements.
- Industrial temperature rating to maintain reliable operation across a wider temperature span than consumer-grade devices.
Typical Applications
- Battery-powered sensor nodes and wireless sensor interfaces that require low standby current and a small board footprint for long-life deployments.
- Simple motor or actuator control in industrial panels where a 16-bit timer and compact packaging reduce component count and cost.
- Human-machine interface (HMI) functions such as keypad scanning, LED driving, and debounce processing in compact consumer or industrial devices.
- Serial bridge or protocol converter modules where the USI can implement SPI or I2C to connect sensors and legacy buses in tight form-factor assembly.
MSP430G2101IPW14R Advantages vs Typical Alternatives
The device offers a stronger balance of low-power consumption and 16-bit performance than many 8-bit micros, while occupying fewer pins and less PCB area than larger MCU options. Its industrial temperature range and 1.8?C3.6 V supply window make it more robust across supply and environment variations. The integrated USI plus the 16-bit Timer_A reduce external components and simplify designs compared to discrete timer and serial interface solutions.
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MSP430G2101IPW14R Brand Info
The MSP430 family is produced by Texas Instruments and targets ultra-low-power embedded applications. This specific part line emphasizes minimal power draw, simple peripheral sets, and broad supply voltage operation to ease integration into compact industrial and portable electronic products.
FAQ
What is the supply voltage range?
The device operates across a broad supply range of 1.8 V to 3.6 V. This allows designs to run from common lithium cells or regulated 3.3 V rails and supports reliable operation in mixed-voltage systems.
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Does it support industrial temperatures?
Yes, the part is rated for industrial operation from -40 ??C to +85 ??C. That makes it suitable for many outdoor, factory, and automotive-adjacent environments where extended temperature tolerance is required.
How many I/O pins are available?
The 14-pin TSSOP package exposes up to ten general-purpose I/O lines. These pins are usable for digital input, output, and peripheral functions such as timers and serial interfaces depending on pin multiplexing.
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What serial interfaces are integrated?
It provides a Universal Serial Interface (USI) that can implement SPI, I2C, or a simple UART-like link. This multi-protocol capability lets engineers attach sensors, memory, or other peripherals without extra bridge chips.
How many low-power modes are there?
The architecture supports five low-power modes (LPM0 through LPM4). Designers can select a mode to trade CPU activity for lower current draw, extending battery life in energy-sensitive applications.