MSP430F168IPM - 8MHz 16-Bit MCU | Texas Instruments
料号： MSP430F168IPM ✓ 量产中MSP430F168IPM 概述
A mixed-signal microcontroller is an MCU that combines digital processing with analog measurement or signal-generation functions. In the product hierarchy, the MSP430F168IPM is a 16-bit RISC microcontroller, a mixed-signal MCU, a semiconductor, and an embedded processing component. Its integrated ADC and DAC reduce the need for external conversion devices when a system must measure analog inputs and generate controlled analog outputs.
Key features include an 8 MHz maximum clock, 48 KB of Flash program memory, 2 KB of SRAM, and a 125 ns instruction cycle time. The device also provides a 12-bit ADC, two 12-bit DAC channels, a comparator, DMA, and serial interfaces supporting I2C, SPI, and UART. These resources support efficient firmware execution, peripheral data movement, and compact mixed-signal designs without a separate analog front end.
The MSP430 CPU uses 16-bit registers and a 16-bit RISC architecture. Its FLL+ frequency-locked-loop support, five low-power modes, and standby wake-up behavior below 6 microseconds make it suitable for systems that spend substantial time waiting for measurements while retaining fast response to new activity. The verified manufacturer product information identifies the family as optimized for extended battery life in portable measurement equipment.
Typical applications include portable environmental monitoring, industrial process instrumentation, battery-powered sensor nodes, data loggers, and embedded control systems. A designer can use the ADC for sensor acquisition, DMA for moving conversion data without excessive CPU intervention, and the DAC for excitation or output control. I2C and SPI support digital sensors and external converters, while UART simplifies connection to host systems or service interfaces.
The primary design consideration is firmware and resource planning. The MSP430F168IPM has 2 KB of SRAM, so sampled data should be processed and transferred efficiently rather than stored indefinitely. Decoupling, analog-ground layout, and ADC/DAC reference design must follow the manufacturer datasheet, while the 64-LQFP footprint requires careful escape routing and thermal-aware copper placement.
This product record combines verified manufacturer and distributor specifications with practical mixed-signal design guidance, drop-in candidate analysis, a parameter comparison table, and application-focused selection advice. These engineering resources help buyers evaluate the MCU beyond basic catalog fields before requesting price, stock, or long-term supply information.
直接替换替代料： MSP430F168IPM ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MSP430F168IPM （相同外形与封装尺寸） ——差异在于 Package, ADC Resolution, Serial Interfaces, CPU Architecture, Flash Memory.
MSP430F169IPM
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →MSP430F149IPM
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →MSP430F156IPM
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MSP430F148IPM
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →MSP430F161IPM
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MSP430F168IPM 最大额定值与电气特性
| Product Type | Mixed-signal microcontroller (MCU) |
| CPU Architecture | 16-bit RISC |
| 最大时钟频率 | 8 MHz |
| Instruction Cycle Time | 125 ns |
| Flash Memory | 48 KB |
| Flash Memory Organization | 48K x 8 plus 256 bytes |
| SRAM | 2 KB |
| ADC Resolution | 12 bits |
| DAC Resolution | 12 bits |
| DAC Channel Count | 2 |
| Analog Comparator | Integrated |
| DMA | Integrated |
| Serial Interfaces | I2C, SPI, and UART |
| Low-Power Modes | 5 |
| Standby Wake-Up Time | Less than 6 us |
| 封装 | 64-LQFP (10 x 10 mm) |
| 安装类型 | Surface mount |
MSP430F168IPM 64-lqfp (10 x 10 mm) 引脚配置指南
MSP430F168IPM（64-lqfp (10 x 10 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MSP430F168IPM.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MSP430F168IPM 适用于 6 应用s: Portable Environmental Monitoring, Industrial Process Instrumentation, Battery-Powered Sensor Node, Precision Data Logger, Precision Control Signal Generator, Communications and Protocol Interface.
Portable Environmental Monitoring
The MSP430F168IPM fits portable environmental monitoring because its 8 MHz 16-bit RISC CPU can process sensor data while the ADC acquires analog inputs and DMA reduces processor involvement during transfers. According to Texas Instruments, the MSP430 family provides five low-power modes for portable measurement systems, with standby wake-up in less than 6 microseconds. A typical implementation would use I2C for digital sensors, the 12-bit ADC for analog probes, and the UART for configuration or data upload. The principal tradeoff is 2 KB of SRAM, which favors streaming measurements instead of retaining large sample histories.
推荐
Industrial Process Instrumentation
The MSP430F168IPM is appropriate for industrial process instrumentation because it combines 48 KB of Flash, a 12-bit ADC, comparator, dual 12-bit DAC, and multiple serial interfaces in one 64-LQFP device. The CPU provides sufficient throughput for signal conditioning, scaling, and control logic, while the DAC can generate excitation or control voltages. I2C and SPI support digital sensors and converters, and UART can connect to a supervisory controller. Production designs must still verify operating voltage, temperature limits, analog-reference accuracy, and isolation requirements from the official datasheet.
推荐
Battery-Powered Sensor Node
The MSP430F168IPM supports battery-powered sensor-node designs through its low-power MSP430 architecture, five operating modes, and standby wake-up below 6 microseconds. The 12-bit ADC can sample resistive, current, or temperature sensors, while DMA helps transfer results efficiently and the 2 KB SRAM can hold short processing buffers. I2C and SPI provide options for adding digital sensors or radio modules. Because battery life also depends on sensor leakage, regulator quiescent current, and radio duty cycle, engineers should calculate the complete sleep and active current budget rather than evaluating only the MCU.
推荐
Precision Data Logger
The MSP430F168IPM is well matched to a precision data logger that combines periodic analog acquisition with local digital storage and host communication. Its 48 KB Flash can hold firmware and configuration data, while the 12-bit ADC provides the conversion resolution and DMA can move sampled values into a 2 KB SRAM working buffer. The SPI interface can connect to external nonvolatile storage, UART can transfer records, and the dual 12-bit DAC can support calibration or sensor excitation. For long records, use streaming or external memory because retaining large sample sets in the internal SRAM is not practical.
推荐
Precision Control Signal Generator
The MSP430F168IPM can generate precision control signals because it combines two 12-bit DAC channels with an 8 MHz 16-bit RISC processor and 48 KB of program Flash. The DAC channels may produce analog excitation or reference levels, while the comparator can monitor a feedback signal and the ADC can verify the resulting control condition. I2C and SPI allow parameter updates from a host or higher-level controller, and UART supports diagnostic output. The design must follow the datasheet guidance for reference voltage, output loading, analog grounding, and decoupling to achieve predictable control performance.
推荐
Communications and Protocol Interface
The MSP430F168IPM can serve as a protocol-interface controller for embedded equipment that must combine serial connectivity with local analog supervision. I2C supports sensors and configuration devices, SPI supports faster peripherals, and UART provides a straightforward host or service link. The 12-bit ADC and comparator can monitor an analog health channel, and DMA can support predictable data movement. The 8 MHz processor and 48 KB Flash provide useful control and protocol overhead capacity, but the 2 KB SRAM requires careful buffer sizing. Firmware should include timeout, retry, and bus-error handling for reliable field operation.
推荐
推荐产品汇总
工程参考数据： MSP430F168IPM ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MSP430F169IPM | MSP430F149IPM | MSP430F156IPM | MSP430F148IPM | MSP430F161IPM |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-LQFP (PM), 10 x 10 mm | 64-LQFP (PM) | 64-LQFP (PM) | 64-LQFP (PM) | 64-LQFP (PM) | 64-LQFP (PM) |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| Flash Memory | 48 KB | 64 KB | 32 KB | 32 KB | 16 KB | 32 KB |
| SRAM | 2 KB | 8 KB | 8 KB | 2 KB | 4 KB | 2 KB |
| CPU Architecture | 16-bit RISC | 16-bit RISC | 16-bit RISC | 16-bit RISC | 16-bit RISC | 16-bit RISC |
| ADC | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
关键差异点
- Balanced Flash capacity with dual DAC integration （对比 MSP430F169IPM)
- More program memory than the MSP430F149IPM alternative （对比 MSP430F149IPM)
- Larger Flash capacity than the MSP430F148IPM alternative （对比 MSP430F148IPM)
- Unified analog and digital resource set （对比 MSP430F161IPM)
设计说明
Plan the power budget around the MCU's operating mode, the external sensor load, and the regulator's own losses. The verified family information confirms five low-power modes and standby wake-up below 6 microseconds, but it does not provide the active or standby current values needed for a complete battery calculation. Obtain those values from the manufacturer datasheet, measure the complete sleep current with peripherals disabled, and reserve margin for cold-temperature operation and battery self-discharge.
Treat the ADC, DAC, comparator, and reference circuitry as sensitive analog sections even though the MSP430F168IPM is a digital mixed-signal MCU. Follow the manufacturer's decoupling and analog-layout guidance, keep high-current switching paths away from reference and signal pins, and provide a clean return path. The verified excerpts do not include exact capacitor values or grounding topology, so obtain those values and the package land pattern directly from the official datasheet before layout release.
Do not assume that two MSP430F1xx devices with the same 64-LQFP footprint are firmware-compatible. Check the pin table, alternate peripheral assignments, clock configuration, vector table, Flash and SRAM sizes, and any differences in ADC, DAC, comparator, DMA, and serial channels. The supplied alternatives include Flash variations from -66.7% to +33.3% and SRAM variations from 2 KB to 8 KB, so a board swap can otherwise cause startup, linker, or runtime failures.
Use DMA to reduce CPU occupancy during frequent ADC transfers, but avoid allowing DMA activity to prevent the firmware from entering a low-power state. Confirm that every peripheral is disabled, every interrupt source is cleared, and pending serial transactions are complete before declaring the device ready for sleep. This is especially important in portable measurement systems where a missed sleep transition can dominate the average current even though the processor itself is designed for low-power operation.
合规信息
The supplied product-page and distributor excerpts do not explicitly state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from the manufacturer name or package.
