MSP430F155IPM - 16-Bit 8MHz Mixed-Signal MCU | Texas Instruments
MPN： MSP430F155IPM ✓ 啟用中MSP430F155IPM 概覽
An MCU is a programmable integrated circuit containing a processor core, memory, and peripheral interfaces used to control a product. A mixed-signal MCU belongs to the microcontroller hierarchy and combines digital processing with analog-to-digital and digital-to-analog conversion functions. This integration allows one device to acquire sensor signals, process measurements, generate control outputs, and communicate with external equipment while reducing component count and board area.
The MSP430F155IPM uses a 16-bit RISC architecture with 16-bit registers and operates from a 1.8 V to 3.6 V supply. Its 8 MHz clock provides deterministic control-loop performance, while the 12-bit ADC supports measurement resolution across common industrial and sensor signals. Two 12-bit DAC channels can generate independently controlled analog voltages for excitation, biasing, calibration, or actuator-reference applications. DMA and comparator resources further improve real-time system performance.
Communication resources include I2C, SPI, and UART interfaces, allowing the device to connect sensors, displays, data loggers, and service equipment through common serial protocols. The integrated analog and digital blocks avoid external converters for many designs, although system accuracy still depends on reference quality, layout, input conditioning, and calibration. The manufacturer datasheet should be used when assigning ADC channels, DAC outputs, and mixed-signal routing functions.
Typical uses include portable data loggers, industrial transducers, laboratory measurement equipment, battery-powered recorders, environmental monitoring, and embedded control panels. The 64-LQFP package exposes more I/O than smaller microcontroller packages and is practical for prototypes or products requiring multiple serial interfaces, analog inputs, and digital control signals. Its 22 I/O positions provide connectivity for sensors, switches, indicators, and communications.
Power-rail design should account for the 1.8 V to 3.6 V operating range, analog reference stability, and the current required by the ADC, DAC, communications peripherals, and attached loads. Place input and output capacitors close to their associated supply pins, route analog signals away from switching nodes, and provide a clean reference network. Review the pin-description and recommended-application circuits in the manufacturer datasheet before finalizing the PCB.
This product record combines the device's principal specifications, package details, mixed-signal application guidance, comparison criteria, and practical design considerations. It is intended to help engineers confirm interface requirements, identify suitable board-level companions, and evaluate footprint-compatible MSP430 family options before releasing a design.
直接替換替代品，適用於 MSP430F155IPM — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MSP430F155IPM （相同外形與佔位） — 差異在於 Package, Comparator, Flash Memory, Operating Temperature Range, RoHS Status.
MSP430F158IPM
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MSP430F149IPM
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MSP430F148IPM
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MSP430F135IPM
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MSP430F156IPM
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MSP430F155IPM 最大額定值與電氣特性
| Microcontroller Type | 16-bit mixed-signal MCU |
| CPU Architecture | 16-bit RISC with 16-bit registers |
| 最大時脈頻率 | 8 MHz |
| Flash Memory | 16 KB |
| Flash Organization | 16K x 8 plus 256 B |
| SRAM | 512 B |
| ADC Resolution | 12 bit |
| DAC Configuration | Dual 12 bit |
| Comparator | 1 integrated comparator |
| DMA Controller | Integrated |
| Serial Interfaces | I2C, SPI, and UART |
| Supply Voltage Range | 1.8 V to 3.6 V |
| I/O Port Count | 22 I/O positions |
| 封裝 | 64-LQFP, 10 x 10 mm |
| 工作溫度範圍 | -40 C to +85 C |
| Low-Power Modes | 5 modes |
| RoHS 狀態 | Unknown |
| REACH Status | Unknown |
| AEC-Q100 Qualification | Not applicable |
MSP430F155IPM 64-lqfp, 10 x 10 mm 腳位配置指南
MSP430F155IPM（64-lqfp, 10 x 10 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MSP430F155IPM.
請參閱 資料表 以查看完整腳位配置。
典型應用
MSP430F155IPM 適用於 6 應用s: Portable Environmental Data Logger, Industrial Process Measurement, Programmable Test and Measurement, Battery-Powered Sensor Node, Precision Control and Signal Generation, Communications and Data Acquisition Hub.
Portable Environmental Data Logger
The MSP430F155IPM fits portable environmental logging because it combines an 8 MHz 16-bit RISC processor, 16 KB of Flash, 512 bytes of SRAM, and a 12-bit ADC in one 64-LQFP device. The MCU can sample temperature, humidity, pressure, or gas sensors, apply calibration and filtering, and store records locally. Its five low-power modes help reduce energy use between measurements, while UART, SPI, or I2C can transfer data to a host. The 12-bit ADC provides useful measurement resolution, but sensor excitation, reference stability, and the sleep-duration duty cycle will determine practical battery life.
推薦
Industrial Process Measurement
The MSP430F155IPM is appropriate for industrial measurement equipment that must acquire several analog signals and communicate results through a deterministic control system. Its 8 MHz 16-bit RISC core can perform filtering, scaling, threshold checks, and control calculations, while the 12-bit ADC handles sensor conditioning and the comparator supports fast event detection. DMA can reduce processor intervention during transfers. I2C and SPI suit local sensors and converters, while UART supports service consoles or industrial links. The 64-LQFP package provides 22 I/O positions for digital control signals, and the -40 C to +85 C range suits industrial equipment.
推薦
Programmable Test and Measurement
The MSP430F155IPM can serve as the control processor in compact programmable measurement products because it combines ADC acquisition, dual DAC generation, serial communication, and deterministic 16-bit processing in one package. The dual 12-bit DAC channels can produce excitation, calibration, or reference-control voltages, while the ADC measures the resulting feedback. UART and SPI support programmable instruments, communication protocols, and configuration memories. Its 8 MHz clock supports responsive sampling and control, and DMA is useful for moving peripheral data without excessive CPU intervention. The design must still account for analog reference accuracy, grounding, and calibration over temperature.
推薦
Battery-Powered Sensor Node
The MSP430F155IPM supports battery-powered sensor-node designs by combining low-power modes with an 8 MHz 16-bit processor and mixed-signal peripherals. The MCU can wake periodically, operate its 12-bit ADC, evaluate sensor data, and return to a low-power state, minimizing the time that the processor and analog circuitry remain active. Its 1.8 V to 3.6 V operating range is suitable for low-energy systems, while I2C and SPI permit connection to low-power sensors. Use the five documented low-power modes carefully, disable unused peripherals, and select external sensor and communication components for comparable sleep current to maximize battery life.
推薦
Precision Control and Signal Generation
The MSP430F155IPM is well suited to embedded control systems requiring both measurement and controlled analog outputs. Its 12-bit ADC can monitor feedback from sensors or power stages, while the dual 12-bit DAC provides two programmable output channels for excitation, bias, or actuator reference. An 8 MHz RISC core supports deterministic control calculations, and the comparator can detect threshold events with less CPU involvement. The device operates from 1.8 V to 3.6 V, making it suitable for compact industrial and laboratory controllers. Confirm output settling, reference accuracy, noise behavior, and DAC load capability in the manufacturer datasheet before closing the analog design.
推薦
Communications and Data Acquisition Hub
The MSP430F155IPM can act as a compact acquisition and communications hub between sensors and a host processor. I2C and SPI support short-distance, low-rate peripheral links, while UART provides a simple point-to-point or multidrop interface for configuration and data transfer. The 12-bit ADC handles analog inputs and the dual 12-bit DAC can generate test or control signals. DMA supports efficient data movement, while the 16-bit CPU performs protocol formatting and local filtering. In distributed equipment, isolate external communication lines where required and use the 1.8 V to 3.6 V supply range to coordinate the MCU, transceiver, and sensor rails.
推薦
推薦產品摘要
工程參考資料，適用於 MSP430F155IPM — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MSP430F158IPM | MSP430F149IPM | MSP430F148IPM | MSP430F135IPM | MSP430F156IPM |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| CPU Architecture | 16-bit RISC | 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 | 8 MHz |
主要差異化特點
- Higher ADC resolution than MSP430F148IPM (對比MSP430F148IPM)
- Integrated dual-DAC conversion (對比MSP430F149IPM)
- Larger program memory than lower-memory MSP430 alternatives (對比MSP430F135IPM)
- Higher ADC resolution while retaining dual-DAC integration (對比MSP430F156IPM)
設計說明
Route analog inputs and DAC outputs away from clock, switching-node, and high-current return paths. Use a continuous ground reference under the analog circuitry and place the MCU bypass capacitors at the associated supply pins. If the ADC and DAC share a reference, verify source impedance, settling time, and decoupling in the manufacturer datasheet. Keep external resistor networks and reference components close to their associated pins to reduce parasitic pickup and preserve conversion accuracy.
Design the 1.8 V to 3.6 V supply system for both quiescent and active load. Place bulk and high-frequency decoupling according to the manufacturer application circuit, with the smallest capacitor closest to the supply pins. Confirm startup behavior if external sensors, transceivers, or analog circuits require controlled rail sequencing. The internal regulator, reset circuit, and external supply must also remain within the absolute-maximum and operating conditions stated in the datasheet.
Do not assume that a shared 64-LQFP footprint guarantees functional interchangeability. Check package dimensions, exposed-pad or thermal requirements, pin multiplexing, ADC channels, DAC availability, interrupt vectors, flash size, RAM size, and supply limits for every alternative. After substitution, rebuild the project with the alternative's device header, recalculate memory placement, and repeat ADC, DAC, UART, SPI, I2C, DMA, reset, and low-power tests.
合規資訊
The manufacturer product information identifies the MSP430F155 as an industrial-temperature mixed-signal MCU. Specific RoHS, REACH, lead-free, halogen-free, and conflict-minerals declarations are not stated in the referenced product records and must be confirmed with the manufacturer for the exact ordering code.