MSP430F412IPM - 8MHz 16-Bit Ultra-Low-Power MCU | Texas Instruments
部品番号: MSP430F412IPM ✓ 生産中MSP430F412IPM 概要
A microcontroller is a programmable embedded-control component that integrates a CPU, memory, peripherals, and interface logic on one semiconductor die. The MSP430 family belongs to the embedded processor and microcontroller hierarchy. Compared with general-purpose 8-bit or 32-bit processors, this device emphasizes deterministic RISC execution, compact code size, energy-efficient operation, and mixed-signal peripheral integration for low-power measurement applications.
The MSP430F412IPM provides 4 KB of Flash and 256 bytes of SRAM, an 8 MHz maximum clock, a 16-bit Timer_A, a comparator, and LCD segment support for as many as 96 segments. According to the Texas Instruments product page, the device is aimed at portable measurement applications in which five low-power modes and a 16-bit RISC architecture help extend battery life. The 64-pin LQFP package also provides access to its expanded display and mixed-signal interface pins.
Its architecture is designed around low-power embedded control rather than high-throughput application processing. A 125 ns instruction cycle corresponds to a maximum 8 MHz operating frequency. The peripheral mix supports periodic sensing, timing, threshold comparison, and segmented-display output without requiring separate logic devices. Exact operating current, voltage range, and individual timer-channel details were not included in the supplied web extracts and should therefore be confirmed in the manufacturer datasheet before design release.
Typical uses include handheld meters, portable industrial probes, low-power environmental sensors, compact instrument panels, and battery-operated measurement instruments. The 96-segment LCD capability is especially useful where a numeric or alphanumeric local display improves usability. The comparator can support threshold detection, while Timer_A provides periodic measurement or control functions. Firmware and board design should confirm that the selected measurement front end, display glass, and power architecture are compatible with the device's specified limits.
The primary design consideration is matching the MCU's limited 4 KB Flash and 256 bytes SRAM to the application code while preserving low-power behavior. Keep periodic sensing and display updates event-driven, use the device's low-power states where measurement timing permits, and validate analog signal conditioning around the comparator. Exact pin names, voltage ratings, current limits, and LCD segment mapping must be taken from the official MSP430F412 documentation rather than inferred from the package outline.
ドロップイン代替品: MSP430F412IPM — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: MSP430F412IPM （同一形状・フットプリント） — 相違点: Package, SRAM, Flash Memory, Low-Power Modes, Product Type.
MSP430F413IPM
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MSP430F414IPM
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MSP430F415IPM
✅ ドロップイン ⚠️ 仕様未検証価格はお問い合わせください
データシートを見る →MSP430F417IPM
✅ ドロップイン ⚠️ 仕様未検証価格はお問い合わせください
データシートを見る →MSP430F412IPM 最大定格＆電気的特性
| Product Type | 16-bit ultra-low-power RISC microcontroller |
| 最大クロック周波数 | 8 MHz |
| Minimum Instruction Cycle Time | 125 ns |
| Flash Memory | 4 KB (4K x 8) |
| SRAM | 256 bytes |
| CPU Architecture | 16-bit RISC |
| Register Width | 16-bit |
| Timer | 16-bit Timer_A |
| Comparator | Integrated comparator |
| LCD Segment Support | 96 segments |
| Low-Power Modes | 5 modes |
| パッケージ | 64-pin LQFP (PM), 10 mm x 10 mm |
| 実装タイプ | Surface mount |
| 動作温度範囲 | -40 °C to +85 °C |
| Ordering Code | PM |
MSP430F412IPM 64-pin lqfp (pm), 10 mm x 10 mm ピン配置ガイド
MSP430F412IPM (64-pin lqfp (pm), 10 mm x 10 mm パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: MSP430F412IPM.
詳細は データシート をご参照ください。
主な用途
MSP430F412IPM の用途: 6 件s: Portable Digital Multimeter, Battery-Powered Environmental Sensor, Industrial Handheld Probe, Low-Power Metering Panel, Timer-Based Control Module, Compact Instrumentation Controller.
Portable Digital Multimeter
The MSP430F412IPM fits a portable digital multimeter because it combines an 8 MHz 16-bit RISC core, 4 KB Flash, 256 bytes SRAM, Timer_A, and a comparator in one 64-pin LQFP device. Its 96-segment LCD controller can operate a local numeric display, while the timer supports measurement timing and the comparator can implement threshold detection. The limited memory encourages compact firmware, and the five available low-power modes are valuable in a battery-powered enclosure. According to the Texas Instruments product page, portable measurement is a core target. The engineer should verify input-voltage limits, ADC-related application needs, LCD glass compatibility, and exact comparator routing in the manufacturer datasheet because those values were not included in the supplied extracts.
おすすめ
Battery-Powered Environmental Sensor
The MSP430F412IPM can control a battery-powered environmental sensing node when the design uses scheduled measurements rather than continuous processing. Its 16-bit RISC CPU and 125 ns instruction cycle support responsive foreground logic, while five low-power modes allow the controller to sleep between samples. The 4 KB Flash and 256 bytes SRAM fit a compact sensor-control program, and Timer_A can establish periodic sampling intervals. A comparator can provide a simple threshold or wake-related decision where appropriate. The primary engineering trade-off is finite memory, so telemetry formatting and buffering must remain compact. Confirm wake-up timing, current consumption, analog input limits, and the available communication peripherals in the official datasheet before fixing the architecture.
おすすめ
Industrial Handheld Probe
MSP430F412IPM is well matched to an industrial handheld probe that combines acquisition control, threshold evaluation, and a local segmented display. The 8 MHz CPU provides deterministic timing for signal conditioning and measurement sequencing, while the integrated 16-bit Timer_A reduces the need for an external timing component. Its 96-segment LCD capability supports readable operating-state or measurement feedback without requiring a graphic display controller. The 64-pin LQFP package exposes the associated mixed-signal and display functions, although exact signal routing must follow the datasheet. For ruggedized products, the listed -40 °C to +85 °C temperature range is useful, but supply voltage, absolute maximum ratings, ESD performance, and power behavior still require formal verification before release.
おすすめ
Low-Power Metering Panel
The MSP430F412IPM can serve as the controller for a compact metering panel where a dedicated 96-segment LCD is preferable to a graphical display. Its 16-bit architecture simplifies signed arithmetic and fixed-point measurement calculations, while 4 KB Flash accommodates a focused application program and 256 bytes SRAM supports lightweight working state. Timer_A can organize periodic panel updates, and the comparator can support a simple alarm or threshold input. The five low-power modes help reduce energy use when readings change infrequently. Because the MCU has limited RAM, avoid large display buffers and log only essential events. Validate LCD segment assignment, glass voltage, update timing, and power sequencing against the manufacturer documentation for the exact PM package.
おすすめ
Timer-Based Control Module
The MSP430F412IPM is appropriate for a small embedded control module built around periodic sensing, timeout handling, and status indication. Its 16-bit Timer_A is suited to timebase and event-management tasks, while the 8 MHz RISC CPU can execute control logic without a complex processor subsystem. The 4 KB Flash and 256 bytes SRAM constrain the firmware footprint, but they are workable for focused control code with minimal buffering. The comparator can provide an additional binary input for threshold or fault detection, and the LCD controller can present operating state directly. Design the firmware around deterministic events and avoid polling continuous inputs unnecessarily, preserving the low-power benefit of the device's five operating modes.
おすすめ
Compact Instrumentation Controller
The MSP430F412IPM can act as the central controller in compact test or measurement instrumentation with a local segmented display. Its 16-bit CPU, 8 MHz clock, and 125 ns instruction cycle support deterministic measurement control, while Timer_A handles repetitive timing and the comparator assists with input thresholding. The 96-segment LCD controller reduces the need for a separate display driver when the instrument uses a simple numeric or icon-based interface. Four kilobytes of Flash and 256 bytes of SRAM make code organization critical, so the application should avoid unnecessary protocol stacks and large local buffers. Confirm the analog measurement path, supply rails, display characteristics, and unused-pin assignments in the official MSP430F412 documentation before schematic release.
おすすめ
エンジニアリング参考データ: MSP430F412IPM — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | MSP430F413IPM | MSP430F414IPM | MSP430F415IPM | MSP430F417IPM |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-pin LQFP (PM), 10 mm x 10 mm | 64-pin LQFP (PM) | 64-pin LQFP (PM) | 64-pin LQFP (PM) | 64-pin LQFP (PM) |
| CPU Architecture | 16-bit RISC | 16-bit RISC | 16-bit RISC | 16-bit RISC | 16-bit RISC |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
主な差別化要因
- Dedicated local-display integration （vs MSP430F413IPM)
- Deterministic 16-bit control performance （vs MSP430F414IPM)
- Compact memory footprint for focused firmware （vs MSP430F415IPM)
設計ノート
Design the power system around the MSP430F412IPM's low-power operating modes rather than continuously running the 8 MHz core. Use an event-driven firmware structure, disable unused peripherals, and place the device into an appropriate low-power state between measurements. The supplied extracts do not include active, standby, or off-mode currents, so calculate battery life using the exact operating mode, supply voltage, and duty cycle from the manufacturer datasheet.
Route the LCD connections, comparator input, timer interface, and communication pins directly from the 64-pin LQFP footprint according to the official pin table. The package is only 10 mm x 10 mm, so fan-out and exposed-pad or thermal considerations depend on the exact PM-package drawing. Because individual pin names were absent from the supplied extracts, do not infer connectivity from package position; cross-check every net against the MSP430F412 datasheet before fabrication.
The MSP430F412IPM has only 4 KB Flash and 256 bytes SRAM. Avoid adding a large display buffer, stack-heavy middleware, or buffering-heavy protocol implementation. Measure the linked application's Flash and RAM usage with margin, keep stack requirements bounded, and use Timer_A for deterministic scheduling where possible. Also verify that the selected LCD glass and comparator input network meet the electrical limits stated in the datasheet.
コンプライアンス情報
The supplied verified web extracts did not contain explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. These fields remain unknown rather than being inferred from the manufacturer or package.
