MSP430F477IPN - 8MHz 16-Bit Sensing MCU | Texas Instruments
MPN: MSP430F477IPN ✓ AktifMSP430F477IPN Ringkasan
A microcontroller is a programmable semiconductor that integrates a CPU, memory, and peripherals into a single device. The MSP430F477 belongs to the MSP430 family, whose 16-bit RISC architecture, 16-bit registers, and five low-power modes are optimized for portable measurement systems. It combines a general-purpose MCU with precision conversion and segmented-display resources, reducing the number of discrete components needed in sensing instruments.
Principal features include an 8-MHz maximum clock, 32KB of program Flash with an additional 256 bytes, and 2KB of RAM. The sensing subsystem provides a 16-bit sigma-delta ADC and a 12-bit DAC, while the integrated LCD controller supports displays with up to 128 segments. Up to 48 I/O pins provide external connections for sensors, controls, communications, and display elements.
The MSP430 architecture uses a 16-bit RISC CPU with 16-bit registers and five low-power modes for portable measurement applications. Its mixed-signal resources allow an analog input to be digitized without adding a separate high-resolution ADC package. The 12-bit DAC provides an analog output, making the MCU applicable to control loops, excitation, calibration, and signal-generation systems where the required resolution does not demand a dedicated converter.
Typical uses include industrial panel meters, portable environmental monitors, laboratory instruments, connected sensing nodes, data-acquisition modules, and low-power display products. The 128-segment LCD capability is especially useful for human-readable measurement displays, while the sigma-delta ADC supports precision sensor acquisition and the DAC supports analog control outputs.
Designers should preserve the analog and digital grounding strategy required by the sensing peripherals, provide the specified bypass and reference-network components, and validate LCD and external-signal routing in the target enclosure. Component choices should also be checked against the exact ordering information, temperature range, package, and converter requirements in the manufacturer documentation.
This page consolidates verified manufacturer, distributor, and distributor-search information for the MSP430F477IPN, including practical application guidance, parameter comparisons, sourcing links, and explicit uncertainty markers where price, full pinout, and verified drop-in replacements were not available.
Pilihan pengganti yang segera untuk MSP430F477IPN — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Tiada pilihan pengganti yang segera untuk produk ini.
Minta AlternatifMSP430F477IPN Penilaian maksimum & Ciri-ciri Elektrik
| CPU Architecture | 16-bit RISC |
| Frekuensi Klock Maksimum | 8 MHz |
| Program Flash Memory | 32KB (32K x 8 plus 256 bytes) |
| RAM Memory | 2KB (2K x 8) |
| ADC Count | 1 converter |
| ADC Resolution | 16-bit sigma-delta |
| DAC Count | 1 converter |
| DAC Resolution | 12-bit |
| LCD Segment Support | 128 segments |
| Number of I/O Pins | 48 pins |
| Tegangan Pemberi Arus | 2.5V or 3.3V |
| Gambaran Suhu Operasi | -40°C to +85°C |
| Low-Power Modes | 5 modes |
| CPU Register Width | 16-bit |
| Package Type | 80-pin LQFP (PN) |
| Package Body Size | 12mm x 12mm |
| Jenis Pemasangan | Surface mount |
Panduan Konfigurasi Pin MSP430F477IPN 12mm x 12mm
Konfigurasi pin untuk MSP430F477IPN (12mm x 12mm pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk MSP430F477IPN.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
MSP430F477IPN patut untuk 6 aplikasis: Portable Environmental Monitor, Industrial Panel Meter, Laboratory Data-Acquisition Module, Low-Power Sensor Interface, Precision Control and Calibration System, Segmented Display Instrument.
Portable Environmental Monitor
The MSP430F477IPN fits portable environmental monitors because it combines a 16-bit sigma-delta ADC, 32KB Flash, 2KB RAM, and five low-power modes in one mixed-signal MCU. The ADC can acquire a sensor signal, while the 8-MHz 16-bit RISC CPU handles sampling control, filtering, compensation, and local decision-making. Its 2.5V or 3.3V operation supports low-voltage portable designs, while the 128-segment LCD capability can display readings, status, and configuration information without a separate display controller. The verified data does not state converter latency, sample rate, or analog input limits, so those parameters must be checked before setting the measurement bandwidth.
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Industrial Panel Meter
The MSP430F477IPN is suitable for an industrial panel meter because it supports a 128-segment LCD and provides 48 I/O pins alongside its precision ADC and DAC. A designer can acquire a transducer signal with the 16-bit sigma-delta converter, perform scaling and calibration in the 16-bit CPU, drive the segmented display, and use the 12-bit DAC for an analog reference or test output. Operation from 2.5V or 3.3V simplifies low-voltage panel electronics, while the -40°C to +85°C range covers many industrial environments. The 80-pin LQFP package offers ample I/O for keys, status indicators, communications, and guard inputs.
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Laboratory Data-Acquisition Module
The MSP430F477IPN can serve as the core of a laboratory data-acquisition module when low power and integrated mixed-signal conversion are priorities. Its one 16-bit sigma-delta ADC supports precision measurement, and the 12-bit DAC can provide excitation, offset, or calibration signals without a separate converter package. The 32KB Flash and 2KB RAM provide dedicated storage for firmware, configuration, and acquisition data, while the 48 I/O pins allow sensor inputs, control outputs, and communications to coexist. Designers must verify the ADC input range, acquisition timing, reference requirements, and analog layout in the manufacturer datasheet before finalizing instrumentation performance.
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Low-Power Sensor Interface
The MSP430F477IPN fits low-power sensor-interface nodes where analog acquisition and local processing must coexist with an LCD or control output. Its 16-bit sigma-delta ADC converts the sensor input, and the 8-MHz 16-bit RISC CPU executes compensation and threshold logic while the device uses one of five documented low-power modes between activity periods. The 2KB RAM and 32KB Flash support compact embedded software, and 48 I/O pins permit digital sensors, alert outputs, and local controls. A battery-life design should measure current in every operating mode because the supplied data confirms the low-power architecture but does not provide mode-specific current values.
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Precision Control and Calibration System
The MSP430F477IPN supports precision control and calibration systems by combining a 16-bit sigma-delta measurement channel with a 12-bit analog output. The MCU can acquire a sensor or reference voltage, calculate an error correction, and update a control or calibration signal through the DAC. Its 16-bit registers and eight-megahertz CPU support deterministic numerical processing, while 32KB Flash and 2KB RAM hold control software and calibration constants. Forty-eight I/O pins provide external control and status connections, and the LQFP package offers a practical thermal and assembly solution for medium-complexity instrumentation. Exact DAC settling behavior and analog reference requirements remain unverified in the supplied data.
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Segmented Display Instrument
The MSP430F477IPN fits segmented-display instruments because its integrated LCD controller supports 128 segments while the ADC and DAC handle measurement and output functions in the same device. It can measure an analog quantity, update a numeric or graphic-segment display, manage keys and status indicators through 48 I/O pins, and retain configuration parameters in 32KB of Flash. The 2.5V or 3.3V operating options are useful for compact battery-powered instruments, and the -40°C to +85°C specification supports wider operating environments. Actual LCD contrast, bias, segment count, and drive timing should be confirmed from the official documentation because those details were not present in the verified snippets.
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Data referensi kejuruteraan untuk MSP430F477IPN — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini |
|---|---|
| Package | 80-pin LQFP (PN) |
| Brand | Texas Instruments |
| Maximum CPU Frequency | 8 MHz |
| Program Flash Memory | 32KB (32K x 8 plus 256 bytes) |
| RAM Memory | 2KB (2K x 8) |
| ADC | 1 x 16-bit sigma-delta ADC |
| DAC | 1 x 12-bit DAC |
| LCD Support | 128 segments |
| Number of I/O Pins | 48 pins |
| Supply Voltage | 2.5V or 3.3V |
| Operating Temperature Range | -40°C to +85°C |
| Low-Power Modes | 5 modes |
Penyeberangsung Jelas
- Integrated high-resolution mixed-signal resources (vsMSP430F478IZQWR)
- Display integration (vsMSP430F478IZQWR)
- Low-power mixed-signal integration (vsMSP430F478IZQWR)
- Verified package connectivity (vsMSP430F478IZQWR)
Catatan Desain
Use only supply configurations and decoupling requirements supported by the official MSP430F477 documentation. The verified sources confirm operation at 2.5V or 3.3V, but they do not provide per-pin current limits, regulator requirements, or capacitor values. Do not estimate those values from a generic MCU design; verify the analog, digital, and AVDD supply requirements in the manufacturer datasheet and their associated application guidance.
Place the required input and bypass capacitors close to their associated supply pins, and keep the sigma-delta ADC and DAC routing away from switching nodes and high-current return paths. Because the verified information does not specify the reference topology, differential input arrangement, or exposed thermal and power pads, those details must be copied from the official package drawing and reference circuit rather than inferred from the 80-pin LQFP format.
Reserve the LCD segment outputs and 48 I/O pins according to the exact MSP430F477IPN pin table before committing the PCB. A valid 80-pin pinout was not included in the verified data, and the supplied package library contains no 80-pin LQFP SVG key. Verify every numbered pin and no-connect assignment against the manufacturer datasheet; do not route based on another MSP430 family member or a similarly named package.
Do not treat MSP430F478IZQWR or an unspecified cross-reference result as a drop-in replacement. The supplied search evidence identifies a different package suffix but does not establish a common footprint, pin functions, or electrical parity. A replacement must pass a documented comparison of package dimensions, all 80 pin assignments, supply range, memory, ADC and DAC specifications, LCD resources, clocking, and required software support.
The verified operating-temperature range is -40°C to +85°C, but no power dissipation, thermal resistance, or maximum junction temperature is supplied. For an estimated preliminary check, use P = 3.3V multiplied by the measured total supply current and compare the resulting rise with the package thermal data from the official documentation. This calculation remains an estimate until board thermal resistance and confirmed current limits are available.
Maklumat Kesediaan
The verified snippets confirm an industrial temperature range of -40°C to +85°C but do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance claim has been inferred.
