MSP430F449IPZ - 8MHz 16-Bit MCU with 60KB Flash | TI
料号： MSP430F449IPZ ✓ 量产中MSP430F449IPZ 概述
A mixed-signal microcontroller combines digital processing with analog measurement and interface functions on one device. The MSP430 belongs to the microcontroller hierarchy, where its 16-bit RISC core executes control software while integrated ADC, comparator, serial interfaces, and LCD capability reduce the number of external components. This integration is especially useful in instruments, meters, industrial controls, and portable products where board area, response time, and low standby power are important.
Key features include 60 KB of flash for firmware, 2 KB of SRAM for working data, an 8 MHz CPU clock, and a 12-bit ADC for analog measurements. Two UART channels and SPI connectivity support external sensors, transceivers, displays, and data acquisition components. The integrated comparator can perform threshold detection and monitor fast or low-current signals, while the 160-segment LCD capability targets meter and human-interface applications without requiring a separate display controller.
The MSP430 architecture uses a 16-bit RISC core with 16-bit registers and constant generators to improve code efficiency. Its mixed-signal feature set places acquisition, control, communications, and display handling in a single package. The MSP430F449IPZ therefore supports a consolidated control architecture in which sensor inputs, operator displays, and communications peripherals can operate around a central low-power processor.
Typical applications include handheld and bench-top measurement instruments, industrial panel meters, data loggers, low-power environmental monitors, and embedded systems requiring segmented LCD displays. Its 48 I/Os provide additional connectivity for sensors, switches, indicators, and external interface components. SPI and UART links allow the controller to communicate with transceivers, memory devices, converters, or service interfaces without requiring several dedicated peripheral chips.
Design the PCB with attention to analog grounding, ADC input conditioning, and LCD glass routing. Keep analog and digital return paths disciplined, place bypass capacitance close to the supply pins, and follow the manufacturer pin description and layout guidance when assigning the 100 package pins. The -40 °C to +85 °C temperature range supports industrial-temperature designs, while final operating limits should be checked against all electrical and timing requirements.
This product page combines the manufacturer specifications, a same-package replacement comparison, application guidance, and PCB-oriented design notes. It is intended to help engineers assess the MSP430F449IPZ for mixed-signal control designs, verify interface compatibility, and plan a low-power embedded architecture before requesting a quote.
直接替换替代料： MSP430F449IPZ ——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： MSP430F449IPZ （相同外形与封装尺寸） ——差异在于 ADC Resolution, Flash Memory, Package, SRAM, Serial Interface.
MSP430F447IPZ
✅ 直接替换联系询价
查看数据手册 →MSP430F448IPZ
✅ 直接替换联系询价
查看数据手册 →MSP430F449IPZ 最大额定值与电气特性
| Product Type | 16-bit mixed-signal microcontroller |
| Maximum CPU Frequency | 8 MHz |
| Flash Memory | 60 KB |
| SRAM | 2 KB |
| ADC Resolution | 12 bits |
| UART Count | 2 |
| Serial Interface | SPI and UART |
| Comparator | Integrated |
| LCD Segment Capacity | 160 segments |
| I/O Count | 48 |
| 封装 | 100-pin LQFP (PZ), 14 mm x 14 mm |
| 安装类型 | Surface mount |
| 工作温度 | -40 °C to +85 °C |
| Architecture | MSP430 16-bit RISC |
| Program Memory Organization | 60K x 8 bits plus 256 bytes |
MSP430F449IPZ 100-pin lqfp (pz), 14 mm x 14 mm 引脚配置指南
MSP430F449IPZ（100-pin lqfp (pz), 14 mm x 14 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： MSP430F449IPZ.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MSP430F449IPZ 适用于 6 应用s: Handheld Environmental Monitor, Industrial Panel Meter, Low-Power Data Logger, Portable Measurement Instrument, Embedded Control and Sensor Node, Battery-Powered Test Equipment.
Handheld Environmental Monitor
The MSP430F449IPZ suits handheld environmental monitors because its 12-bit ADC can acquire sensor outputs while the 16-bit MSP430 core performs filtering, compensation, and control functions. The 60 KB of flash accommodates application firmware, calibration tables, and display routines, while 2 KB of SRAM supports working buffers. SPI and two UART channels allow connection to digital sensors, external memory, or a host device. The 160-segment LCD capability also enables a readable local display without requiring a separate graphics controller. A typical design uses the comparator for threshold detection and the ADC for proportional measurements.
Industrial Panel Meter
For an industrial panel meter, the MSP430F449IPZ combines a 12-bit ADC, comparator, 48 I/Os, and 160-segment LCD support in one 100-pin LQFP device. The processor can perform sensor conditioning, digital filtering, calibration, and alarm logic while driving a segmented display. Its 60 KB flash provides room for multiple measurement modes and configuration menus, and the -40 °C to +85 °C rating supports industrial-temperature installations. UART or SPI can connect the meter to a remote terminal, data logger, or calibration interface while keeping the front-panel design compact.
Low-Power Data Logger
The MSP430F449IPZ can serve as the control and measurement center of a low-power data logger when periodic acquisition and low standby consumption are priorities. The 12-bit ADC supports analog sensor inputs, SPI can connect to serial flash or external sensors, and two UART channels support configuration or telemetry links. Its 60 KB flash provides room for sampling logic and local buffering, while 2 KB of SRAM can hold current measurements and transfer buffers. The LCD interface is useful for portable field units where operators need immediate status, recorded count, battery condition, or sensor readings.
Portable Measurement Instrument
A portable measurement instrument benefits from the integration of the MSP430F449IPZ's 16-bit processor, 12-bit ADC, comparator, flash, SRAM, and LCD driver capability. The processor can perform repeated conversions, baseline correction, calibration, and threshold comparison without requiring separate analog or display logic. The 48 I/Os support switches, probes, indicators, and peripheral controls, while SPI and UART simplify data exchange with sensors and host equipment. The -40 °C to +85 °C range permits use in thermally varied field and laboratory environments when the complete system meets its specified limits.
Embedded Control and Sensor Node
The MSP430F449IPZ fits compact embedded sensor nodes that combine analog measurement with local control and communications. The 12-bit ADC handles proportional sensor signals, the comparator supports fast threshold events, and the MSP430 core executes control logic in a resource-efficient 16-bit architecture. Sixty kilobytes of flash supports protocol handlers and application code, while SPI and UART allow connection to radios, memories, and external transducers. The integrated 160-segment LCD controller is useful for nodes that present local measurements without adding a separate display controller.
Battery-Powered Test Equipment
The MSP430F449IPZ can support battery-powered test equipment where measured electrical performance, local readout, and communication must be consolidated. Its 12-bit ADC and integrated comparator support signal acquisition and threshold testing, while the 60 KB flash stores test routines, calibration coefficients, and firmware. The 2 KB SRAM can buffer conversion data, and the 48 available I/Os can connect input terminals, range controls, status indicators, and external interfaces. SPI and two UART channels provide paths for programmable fixtures, remote control, or result transfer.
工程参考数据： MSP430F449IPZ ——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 | MSP430F447IPZ | MSP430F448IPZ |
|---|---|---|---|
| Package | LQFP-100 (PZ), 14 mm x 14 mm | LQFP-100 (PZ) | LQFP-100 (PZ) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
关键差异点
- Documented integration for measurement and display （对比 MSP430F447IPZ)
- 60 KB flash supports larger instrument firmware （对比 MSP430F448IPZ)
- Mixed-signal and human-interface resources in one package （对比 MSP430F447IPZ)
设计说明
Treat the analog and digital sections as separate electrical domains until the manufacturer pin and layout guidance is applied. Route the 12-bit ADC inputs away from switching nodes and LCD drive signals, use a compact analog ground return where the design guide permits it, and connect that return at the recommended single point. Place input filtering and protection close to the external connector so transient energy is constrained before reaching sensitive MCU pins.
Place the required bypass capacitors immediately across the appropriate supply pins and keep the return path short and continuous. Decoupling requirements and permitted capacitor technologies should be taken from the MSP430F449 manufacturer documentation rather than inferred from generic MCU practice. For a mixed-signal instrument, monitor supply voltage and ground offset at the analog measurement node because conversion accuracy depends on both the ADC reference and a stable supply environment.
Assign all 100 PZ-package pins from the MSP430F449 datasheet and keep the PCB footprint aligned with the manufacturer's LQFP dimensions, lead span, and exposed thermal or routing geometry specified for the device. Segmented LCD traces can be numerous and sensitive to leakage, so avoid routing them beneath noisy power stages. Confirm pin multiplexing before finalizing the schematic because LCD, ADC, UART, SPI, and general-purpose I/O functions may share terminals.
Do not assume that a same-family PZ alternative is firmware-compatible without checking flash size, SRAM, vector tables, peripheral instances, interrupt assignments, and LCD mapping. The MSP430F449IPZ is documented with 60 KB flash, 2 KB SRAM, two UART channels, and 160-segment LCD support. Treat alternate family members as drop-in PCB candidates until both the electrical resource comparison and software-image review are complete.
合规信息
The operating-temperature range is documented, but specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals statements are not included in the manufacturer page excerpts.
