MSP430G2303IPW20 Overview
The MSP430G2303IPW20 is an ultra-low-power 16-bit microcontroller from the MSP430 family. It combines a single 16-bit RISC core with an efficient clock system and peripheral set designed for battery-powered and space-constrained applications. The device targets simple sensing, control and serial-communication tasks where lower active currents and deep-sleep modes deliver longer field life. For procurement and technical resources visit IC Manufacturer.
MSP430G2303IPW20 Technical Specifications
| Parameter | Value |
|---|---|
| CPU | 16-bit RISC core |
| Supply Voltage | 1.8 ?C 3.6 V |
| Maximum Clock | Up to 16 MHz (DCO) |
| Flash Memory | 2 KB (typical device-class size) |
| SRAM | 128 bytes (order-of-magnitude for small devices) |
| I/O Pins | 20-pin package (multiple GPIO lines) |
| Timer | 16-bit Timer_A (capture/compare) |
| Serial Interface | USI for SPI/I2C compatible serial |
| Low-Power Modes | Multiple LPMs with microamp-class standby |
| Typical Active Current | Low ??A/MHz class (application dependent) |
MSP430G2303IPW20 Key Features
- Single 16-bit core with compact instruction set for lower code size and faster control loops.
- Low-voltage operation (1.8?C3.6 V) enabling direct battery connection and fewer power rails.
- Integrated 16-bit Timer_A that supports precision timing and PWM outputs for motor or lamp control.
- Universal Serial Interface (USI) for straightforward SPI/I2C integration with sensors and peripherals.
- Small flash and RAM footprint suitable for lean firmware and quick boot times, reducing BOM and time-to-market.
- Multiple low-power modes for extended battery life in intermittent-sampling or always-on standby designs.
- 20-pin package that balances I/O availability with compact board area for handheld or embedded modules.
Typical Applications
- Battery-powered sensors and environmental monitors that require periodic wake-up, short processing bursts, and long ultra-low-power standby times for multi-year operation.
- Simple human-interface devices such as keypads, small displays, or LED drivers that need precise timing and low standby current to extend battery life.
- Serial-bridging and protocol translation modules using USI-based SPI or I2C to connect legacy sensors to modern gateways with minimal firmware footprint.
- Compact industrial controllers and portable measurement instruments where reduced component count and low power consumption lower system cost and increase reliability.
MSP430G2303IPW20 Advantages vs Typical Alternatives
The device offers a tighter tradeoff between energy and cost than many 8-bit or higher-end 32-bit alternatives. Its 16-bit core yields lower instruction count and smaller code than comparable 8-bit parts while consuming far less active and standby current than many 32-bit MCUs. The integrated Timer_A and USI provide more integrated control and serial features than minimal microcontrollers, reducing the need for external logic. In short, it is often a better choice when you need lower power, fewer components, and adequate processing headroom.
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MSP430G2303IPW20 Brand Info
The MSP430 family is a well-established line of low-power microcontrollers from Texas Instruments. This device inherits the brand??s emphasis on energy efficiency and robust development tools. Engineers benefit from mature compiler support, application notes, and a broad ecosystem for rapid prototyping and production scaling.
FAQ
What supply range does it accept?
The device is specified for operation across a low-voltage range suitable for single-cell lithium or multiple alkaline cells. This enables simpler power supply design and compatibility with common battery chemistries in portable systems.
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Does it include serial communication?
Yes. It provides a Universal Serial Interface (USI) that supports common serial protocols such as SPI and I2C. This lets the MCU interface directly to sensors, memory, and peripherals with minimal external logic.
How many GPIOs are available?
The part comes in a 20-pin package that exposes multiple general-purpose I/O lines. The pin count balances enough pins for control and sensing while keeping the module small for embedded or handheld products.
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Is it suitable for battery-powered designs?
Absolutely. The architecture focuses on ultra-low-power operation with multiple low-power modes and microamp-class standby currents, making it well suited to battery-operated and energy-sensitive applications.
What development resources are available?
Developers can use the standard MSP430 toolchain, examples, and application notes from the MSP430 ecosystem. These resources accelerate firmware development and include reference code for timers, serial interfaces, and low-power operation.