MSP430F435IPN - 8MHz 16-Bit MCU, 16KB Flash | Texas Instruments
料号： MSP430F435IPN ✓ 量产中MSP430F435IPN 概述
A microcontroller is a programmable control IC that combines a processor core, memory, digital peripherals, and analog functions on one semiconductor device. The MSP430F435IPN belongs to the mixed-signal microcontroller category, where the processor coordinates embedded control while the ADC, comparator, communications interfaces, and LCD controller reduce the need for separate discrete components. Its architecture is therefore useful in battery-operated instruments, industrial sensing terminals, portable measurement equipment, and compact human-machine-interface controllers.
Verified device features include a 16-bit RISC architecture, an operating frequency of 8 MHz, 16 KB of Flash, 512 B of SRAM, a 12-bit ADC, an internal comparator, SPI and UART connectivity, and LCD support for up to 160 segments. The low-power specification reports 280 µA active current at 1 MHz and 2.2 V, 1.1 µA standby current, and 0.1 µA off current with RAM retention. Wake-up from standby takes less than 6 µs, allowing short duty-cycle measurement systems to remain responsive without continuously consuming active-mode power.
The MSP430 architecture uses a 16-bit RISC core with 16-bit registers and constant generators that support compact, efficient code. This combination is useful in embedded products that repeatedly perform sensor acquisition, control calculations, and serial communication. The integrated ADC enables analog-to-digital conversion without a separate converter, while SPI and UART provide paths for external sensors, transceivers, displays, and data-logging equipment. The LCD capability is particularly relevant to local segment-display interfaces that do not require a graphical display.
Typical uses include handheld meters, portable environmental monitors, industrial control modules, battery-powered readers, and embedded measurement systems. The 80-pin LQFP (PN) package provides more I/O and peripheral connectivity than a small-outline package, making the device suitable for designs that need several external interfaces while retaining a leaded, inspectable package option.
Designers should verify the exact pin functions and LCD segment assignments against the manufacturer datasheet before layout because the supplied source summaries do not publish a complete 80-pin map. Decoupling, analog grounding, LCD biasing, and ADC-source impedance should also follow the datasheet layout guidance. The operating-temperature range for this orderable variant is -40 °C to +85 °C.
This page consolidates verified manufacturer and distributor information, a package-aware replacement assessment, pricing-status disclosures, application guidance, and practical design cautions so engineers can evaluate the MSP430F435IPN without assuming unverified pin or lifecycle details.
直接替换替代料： MSP430F435IPN ——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： MSP430F435IPN （相同外形与封装尺寸） ——差异在于 Flash Memory, ADC Resolution, Comparator, Operating Temperature, Package.
MSP430F4361IPN
✅ 直接替换📋 参考替代料（不在目录中）
MSP430F435IPN 最大额定值与电气特性
| CPU Architecture | 16-bit RISC |
| 最大时钟频率 | 8 MHz |
| Flash Memory | 16 KB |
| SRAM | 512 B |
| ADC Resolution | 12 bit |
| Comparator | Integrated |
| Serial Interfaces | SPI and UART |
| LCD Support | 160 segments |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Current | 280 µA at 1 MHz and 2.2 V |
| Standby Current | 1.1 µA |
| Off Current with RAM Retention | 0.1 µA |
| Wake-Up Time from Standby | Less than 6 µs |
| 工作温度 | -40 °C to +85 °C |
| 封装 | 80-pin LQFP (PN), 12 mm × 12 mm |
| 安装类型 | Surface Mount |
MSP430F435IPN 80-pin lqfp (pn), 12 mm × 12 mm 引脚配置指南
MSP430F435IPN（80-pin lqfp (pn), 12 mm × 12 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： MSP430F435IPN.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MSP430F435IPN 适用于 6 应用s: Battery-Powered Environmental Sensor, Portable Digital Multimeter, Industrial Control and Monitoring Module, Segment-Display Reader or Terminal, Portable Medical Measurement Instrument, Battery-Powered Data Logger.
Battery-Powered Environmental Sensor
The MSP430F435IPN fits battery-powered environmental sensors because its 1.8 V to 3.6 V operating range and low-power modes reduce the energy required between measurement cycles. The 12-bit ADC can acquire analog sensor signals, while the 16-bit RISC core processes readings and controls the sampling schedule. Its verified 280 µA active current at 1 MHz and 2.2 V provides a useful MCU-only baseline, and standby current of 1.1 µA supports a duty-cycled operating strategy. The 512 B of SRAM is sufficient for short measurement buffers and compact protocol frames, although final battery life also depends on the sensor, regulator, radio, and display loads. Wake-up in less than 6 µs allows rapid response to scheduled acquisition intervals without keeping the processor continuously active.
推荐
Portable Digital Multimeter
The MSP430F435IPN is suitable for a portable digital meter that combines analog measurement with a local segment display. Its 12-bit ADC supports readings from resistive, voltage, and temperature sensors, while the integrated comparator can assist with threshold detection or protection functions. The 160-segment LCD capability can drive a local numerical display without requiring a separate graphical display controller. At an 8 MHz maximum clock frequency, the 16-bit RISC core can handle sampling, calculation, keypad scanning, and display updates. Because the verified operating-temperature range is -40 °C to +85 °C, the device also fits many industrial handheld instruments. Layout must preserve analog signal integrity and provide the LCD bias network and decoupling required by the manufacturer documentation.
推荐
Industrial Control and Monitoring Module
The MSP430F435IPN can serve as the local controller in an industrial monitoring module requiring mixed-signal measurement, serial communication, and low standby power. Its 16 KB Flash provides room for an embedded control program, while 512 B of SRAM supports compact acquisition and communication buffers. The SPI interface can connect to higher-speed sensors or storage, and UART supports simple host-device links or service consoles. An integrated 12-bit ADC and comparator reduce external analog component count in condition-monitoring designs. The 80-pin LQFP (PN) package exposes more I/O than a compact microcontroller package and permits inspection during industrial production. The -40 °C to +85 °C rating is appropriate for many controlled industrial environments, but final qualification should also consider humidity, surge, electromagnetic interference, and isolation requirements.
推荐
Segment-Display Reader or Terminal
The MSP430F435IPN fits compact readers and terminals that use a low-power segment LCD rather than a graphical display. Its verified support for 160 segments allows the controller to manage a substantial local display while the 16-bit RISC core handles button input, state logic, and serial synchronization. The low-power operating modes are valuable in handheld equipment because the processor can remain in standby between user actions and resume in less than 6 µs. The SPI interface can support an external memory or faster peripheral, while UART can provide configuration or data exchange with a host. A 12-bit ADC is also available for battery or sensor measurement where appropriate. Designers should use the manufacturer LCD segment-mapping tables and bias guidance to avoid display artifacts and should account for load current from the LCD itself when estimating battery life.
推荐
Portable Medical Measurement Instrument
The MSP430F435IPN can support portable medical measurement instruments when the design requires compact mixed-signal processing and low power. The 12-bit ADC may be used for selected diagnostic or monitoring signals, and the comparator can support threshold-based supervision. Its low-power states and less-than-6-µs standby wake-up suit duty-cycled acquisition, while the 512 B of SRAM is adequate for short sample windows and control state. The 80-pin LQFP package provides sufficient I/O for sensor conditioning, isolation, display, and communications. However, this part number alone does not establish medical certification, and the verified data does not identify an AEC-Q100 or medical qualification. Any diagnostic use requires a separate risk assessment, validation of analog accuracy, electrical-isolation design, applicable standards review, and complete verification of the finished instrument rather than reliance on the MCU ordering code.
推荐
Battery-Powered Data Logger
The MSP430F435IPN is appropriate for a battery-powered data logger that periodically records analog measurements and transmits compact records through SPI or UART. Its 16 KB Flash can hold the application program, while external nonvolatile storage can be attached through SPI when more log capacity is required. The 1.8 V to 3.6 V supply range supports low-voltage system architectures, and the 1.1 µA standby specification enables longer intervals between acquisition events. The 16-bit RISC processor can handle sensor selection, timestamp management, data formatting, and interface control in a compact embedded design. A real 160-segment LCD may also be used for local status and calibration information. The total logger power budget must include sensor excitation, memory write energy, radio transmission, and regulator losses; the MCU's active figure of 280 µA at 1 MHz and 2.2 V does not represent complete-system consumption.
推荐
推荐产品汇总
工程参考数据： MSP430F435IPN ——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 | MSP430F4361IPN |
|---|---|---|
| Package | 80-pin LQFP (PN), 12 mm × 12 mm | 80-pin LQFP (PN), 12 mm × 12 mm |
| Brand | Texas Instruments | Texas Instruments |
| CPU Architecture | 16-bit RISC | 16-bit ultra-low-power mixed-signal MCU |
关键差异点
- Exact verified orderable configuration （对比 MSP430F4361IPN)
- Integrated mixed-signal resources （对比 MSP430F4361IPN)
- Low-power wake response （对比 MSP430F4361IPN)
设计说明
Place the supply bypass capacitors directly beside the appropriate power and ground pins, following the manufacturer datasheet layout and capacitor recommendations. The 1.8 V to 3.6 V operating range makes the supply net relatively sensitive to ground bounce and switching noise, particularly when the ADC and comparator are active. Keep high-current return paths away from the analog input and reference routing. Validate the power source across startup, sleep, and wake transitions because the MCU may wake in less than 6 µs and draw transient current sooner than an external monitoring system expects.
Treat analog and digital return currents as separate paths until they meet at a controlled ground point. Route the 12-bit ADC input with minimal loop area, avoid running it beside UART, SPI, LCD, or switching-supply traces, and keep the comparator inputs away from fast digital edges. If the LCD is used, follow the exact manufacturer segment assignments, bias-voltage network, and pin-multiplexing configuration. The supplied data confirms 160-segment support but does not provide the complete 80-pin map, so the official datasheet must be the controlling layout document.
Do not treat the MSP430F4361IPN cross-reference result as proof of a drop-in replacement. Although both entries belong to the MSP430x4xx family and the candidate uses a matching 80-pin LQFP order code, memory capacity, LCD mapping, ADC channels, peripheral assignment, and interrupt behavior must be compared pin by pin. A software migration can also be necessary even when the PCB footprint remains unchanged. Prototype the candidate on the target board, repeat timing, LCD, analog, and peripheral tests, and obtain procurement approval before treating it as a drop-in part.
Use the verified power figures as component-level indicators rather than complete battery-life guarantees. Active current is 280 µA at 1 MHz and 2.2 V, standby current is 1.1 µA, and off current with RAM retention is 0.1 µA. A realistic energy budget must add sensor excitation, display current, communications activity, regulator quiescent current, battery leakage, and the duration of each active interval. For duty-cycled designs, disable unused peripherals and select wake behavior and retention states deliberately rather than relying only on the nominal standby number.
合规信息
The supplied product-page and distributor excerpts do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from the manufacturer name or package.
