MSP430F149IPMRG4 - 8MHz 16-Bit MCU with 60KB Flash | Texas Instruments
MPN： MSP430F149IPMRG4 ✓ 啟用中MSP430F149IPMRG4 概覽
What is a mixed-signal microcontroller? A mixed-signal MCU combines a digital processor with analog and communication peripherals on one integrated device. The MSP430F149 belongs to the MSP430 family of 16-bit RISC microcontrollers and sits within the broader hierarchy of embedded processors, microcontrollers, and semiconductor devices. Its mixed-signal architecture lets embedded products measure analog inputs, process control logic, and communicate with external peripherals without requiring several discrete components.
Key features include an 8 MHz MSP430 CPU, 60 KB Flash plus 256 bytes of additional Flash storage as shown in the distributor data, 2 KB SRAM, 22 I/O ports, a 12-bit ADC, two USARTs, SPI, and a hardware multiplier. According to Texas Instruments, the MSP430F14x devices include two built-in 16-bit timers and 48 I/O pins at the device-family level, while the specific ordering information identifies the MSP430F149IPMRG4 as a 64-LQFP industrial-temperature part.
The 16-bit RISC architecture, constant generators, and hardware multiplier improve code efficiency and arithmetic throughput for control applications. The 12-bit ADC supports embedded measurement systems, while the two USARTs provide serial connectivity for sensors, displays, data acquisition equipment, and industrial peripherals. The device also supports low-power modes for battery-operated and energy-conscious products.
Typical applications include industrial instrumentation, sensor acquisition, motor and process control, embedded data loggers, communications equipment, low-power measurement systems, and compact control platforms. Its combination of local memory, analog conversion, timers, and serial interfaces makes it suitable for designs that need standalone mixed-signal control rather than a larger application processor.
When designing a PCB around the MSP430F149IPMRG4, preserve the exposed-package thermal and electrical requirements, follow the manufacturer's recommended decoupling and layout guidance, and verify signal compatibility for every peripheral connection. Use the datasheet for the complete 64-pin pinout, electrical limits, clock configuration, and programming details.
直接替換替代品，適用於 MSP430F149IPMRG4 — 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： MSP430F149IPMRG4 （相同外形與佔位） — 差異在於 Package, Flash Memory, Supply Voltage Range, Comparator, Hardware Multiplier.
MSP430F149IPMR
✅ 直接替換聯絡詢價
查看資料表 →MSP430F148IPM
✅ 直接替換聯絡詢價
查看資料表 →MSP430F1491IPMR
✅ 直接替換聯絡詢價
查看資料表 →MSP430F149IPMG4
✅ 直接替換聯絡詢價
查看資料表 →MSP430F149IPM
✅ 直接替換聯絡詢價
查看資料表 →MSP430F249TPMR
✅ 直接替換📋 參考替代品（不在目錄中）
MSP430F149IPMRG4 最大額定值與電氣特性
| Product Type | 16-bit ultra-low-power mixed-signal microcontroller |
| CPU Architecture | 16-bit RISC |
| Maximum Clock Speed | 8 MHz |
| Flash Memory | 60 KB |
| Additional Flash Storage | 256 bytes |
| SRAM | 2 KB |
| ADC Resolution | 12-bit |
| USART Count | 2 |
| Serial Interface | SPI |
| Hardware Multiplier | Yes |
| I/O Ports | 22 |
| Device-Family I/O Pins | 48 |
| Timer Count | 2 built-in 16-bit timers |
| Supply Voltage Range | 1.8 V to 3.6 V |
| 封裝 | 64-LQFP (10 x 10 mm) |
| 安裝類型 | Surface mount |
| 工作溫度範圍 | -40 C to +85 C |
| Low-Power Modes | 5 low-power modes |
MSP430F149IPMRG4 64-lqfp (10 x 10 mm) 腳位配置指南
MSP430F149IPMRG4（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： MSP430F149IPMRG4.
請參閱 資料表 以查看完整腳位配置。
典型應用
MSP430F149IPMRG4 適用於 6 應用s: Industrial Sensor Acquisition, Low-Power Data Logger, Process and Motor Control, Communications Equipment, Portable Measurement Instrument, Battery-Powered Sensor Node.
Industrial Sensor Acquisition
MSP430F149IPMRG4 fits industrial sensor acquisition because its 12-bit ADC can digitize analog measurements while the 8 MHz 16-bit CPU handles filtering, scaling, and control state. The two USARTs allow connection to a local transceiver or service port, and SPI can support a sensor or storage peripheral. In a 64-LQFP, 1.8 V to 3.6 V design, engineers should define input scaling and protection before routing sensor voltages to the ADC pins.
推薦
Low-Power Data Logger
The ultra-low-power MSP430F149IPMRG4 is appropriate for a periodic data logger that wakes to sample sensors, stores measurements, and returns to a low-power state. Its five low-power modes, 2 KB SRAM, 60 KB Flash, and two USARTs support local buffering and serialized transfer. Firmware must define sleep entry, peripheral shutdown, wake sources, and retention requirements; battery life should be calculated from the actual sampling interval and current measurement rather than a nominal device label.
推薦
Process and Motor Control
MSP430F149IPMRG4 can serve as the local controller in a process-control or actuator-monitoring platform because it combines two built-in 16-bit timers, a hardware multiplier, 22 I/O ports, and a 12-bit ADC. Timers can establish sampling and output timing, while the ADC can monitor feedback from a sensor. The 8 MHz CPU is suitable for deterministic control loops, but motor-drive isolation, gate-driver timing, surge protection, and thermal margins require separate design verification.
推薦
Communications Equipment
For a compact communications endpoint, MSP430F149IPMRG4 provides two USARTs plus SPI in a low-power 16-bit architecture. One serial channel can serve a local host while another handles a sensor, radio, or field interface, with SPI available for higher-speed peripheral connections. The 60 KB Flash and 2 KB SRAM support protocol and buffering firmware, but baud-rate tolerance, interrupt latency, line-driver electrical levels, and EMI layout must be verified in the system design.
推薦
Portable Measurement Instrument
MSP430F149IPMRG4 supports portable measurement equipment that needs analog acquisition, local computation, and low standby consumption. Its 12-bit ADC handles sensor conditioning results, while the 16-bit CPU can calculate compensated readings before transmission through a USART. The 1.8 V to 3.6 V supply range helps integrate with low-voltage sensors and portable power systems, although calibration, reference stability, battery regulation, and analog grounding remain board-level responsibilities.
推薦
Battery-Powered Sensor Node
The MSP430F149IPMRG4 is suitable for a battery-powered sensor node that periodically reads an analog value and reports it through a serial interface. Its low-power architecture, five power-saving modes, 8 MHz processing capability, and 2 KB SRAM allow computation without a separate processor. Use the low-power modes intentionally, disable unused peripherals, and validate wake-up timing and current draw with the final sensor load; software defaults alone do not guarantee a battery-life target.
推薦
推薦產品摘要
工程參考資料，適用於 MSP430F149IPMRG4 — 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 | MSP430F149IPMR | MSP430F148IPM | MSP430F1491IPMR | MSP430F249TPMR |
|---|---|---|---|---|---|
| Package | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
主要差異化特點
- Verified 60 KB Flash and 2 KB SRAM configuration (對比MSP430F249TPMR)
- Two USARTs plus SPI in a mixed-signal MCU (對比MSP430F148IPM)
- 8 MHz processing with hardware multiplier (對比MSP430F1491IPMR)
設計說明
The verified operating range is 1.8 V to 3.6 V. Validate the supply source, startup behavior, decoupling, and voltage tolerance against the current TI datasheet before connecting peripherals. Keep analog and digital return currents controlled, especially when the ADC is active. If the design includes a switching regulator, separate its noise path from the MCU and ADC references, and verify the rail during wake-up transitions.
Use the manufacturer's 64-LQFP land pattern and pin numbering as the PCB authority. Place required decoupling capacitors close to the device power pins and provide short, low-loop-area connections for the ADC, oscillator, reset, and programming interface. Confirm whether the exact package requires an exposed pad and thermal-via treatment; the supplied search results identify the package but do not provide the complete package drawing.
Do not assume that every MSP430 family member is a drop-in replacement. The cross-reference results mention MSP430F149IPMR, MSP430F148IPM, MSP430F1491IPMR, and MSP430F249TPMR, but the supplied data does not verify every pin, memory, timer, ADC, and software-model difference. Compare the exact suffix, package drawing, electrical characteristics, and firmware assumptions before releasing a substitution.
合規資訊
Compliance fields are unknown because the verified web data does not provide authoritative statements for this exact ordering code. The industrial temperature range is identified in the distributor data, but temperature range alone does not establish AEC-Q100 qualification.
