MSP430F477IPN Overview
The MSP430F477IPN is a low-power, 16-bit microcontroller in the MSP430 family designed for mixed-signal embedded control. It combines a compact CPU with integrated analog and digital peripherals to support precision measurement, control loops, and communications in battery-powered and industrial systems. The device targets applications that need more on-chip integration and lower active/standby currents compared with many older 8-bit alternatives. For sourcing and component details visit IC Manufacturer.
MSP430F477IPN Technical Specifications
| Parameter | Value |
|---|---|
| Core | 16-bit RISC |
| Maximum Clock Frequency | 16 MHz |
| On-chip Flash Memory | 64 KB |
| On-chip RAM | 2 KB |
| Supply Voltage | 1.8 V to 3.6 V |
| ADC | 12-bit ADC (multiple channels) |
| Timers | Timer_A and Timer_B (hardware timers) |
| Serial Interfaces | USCI modules supporting UART, SPI, I2C |
| Package | IPN package (commercial surface-mount) |
| Operating Temperature | -40??C to +85??C |
MSP430F477IPN Key Features
- Single 16-bit RISC CPU that delivers efficient code density and faster arithmetic compared with typical 8-bit MCUs.
- On-chip 12-bit ADC enabling precise analog-to-digital conversion for sensors and measurement systems.
- Multiple hardware timers and serial interfaces (UART/SPI/I2C) that simplify integration and reduce external components.
- Optimized low-power modes and a wide supply range that lower system power consumption and improve battery life in portable designs.
Typical Applications
- Battery-powered sensor nodes requiring low standby current and accurate 12-bit ADC sampling for long-term data acquisition and telemetry.
- Industrial control panels where reliable UART/SPI communications and hardware timers support real-time control and deterministic response.
- Portable medical instruments that demand compact on-chip memory, precise analog measurement, and extended battery runtime under varying loads.
- Motor and power management controllers that use integrated timers and mixed-signal peripherals to implement efficient closed-loop control and diagnostics.
MSP430F477IPN Advantages vs Typical Alternatives
The MSP430F477IPN offers a denser integration of analog and digital peripherals than many 8-bit controllers, reducing BOM count and board area. With a 16-bit core, it provides better numeric range and algorithm throughput for sensor fusion and control tasks. The device supports a broad supply range and multiple low-power states, which often yield longer battery life and lower system power than comparable general-purpose microcontrollers.
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MSP430F477IPN Brand Info
The MSP430F477IPN is a member of the MSP430 family from Texas Instruments. Texas Instruments positions this series for low-power embedded control and measurement, emphasizing integrated analog peripherals, developer tools, and a mature ecosystem for industrial and portable applications.
FAQ
What core does it use?
The device uses a 16-bit RISC core from the MSP430 family, optimized for low power and compact code. This core improves arithmetic throughput and code density compared with many 8-bit controllers.
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What supply voltages are supported?
It operates across a wide supply range suitable for battery and industrial systems. The supported range allows flexible system design and operation with common single-cell batteries or regulated supplies.
Does it include analog peripherals?
Yes, the device integrates a 12-bit ADC and other mixed-signal peripherals, enabling precise analog measurements without external converters and simplifying sensor interfacing.
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Which serial interfaces are available?
The MCU provides USCI modules that support UART, SPI, and I2C communications, allowing straightforward connectivity with sensors, memory, and host processors in embedded systems.
What temperature range is supported?
The device is specified for industrial operation, covering a broad ambient temperature range suitable for many commercial and industrial applications where extended thermal tolerance is required.



