MSP430V138TDA Flash Embedded MCU | Texas Instruments
N.º da peça: MSP430V138TDA ✓ AtivoMSP430V138TDA Visão geral
What is an embedded microcontroller? An embedded microcontroller is a semiconductor that combines a processor core with memory, input/output ports, and dedicated peripherals in one package. The processor executes application firmware, while the peripherals handle measurements, timing, data exchange, and control functions. Within the product hierarchy, the MSP430V138TDA is a microcontroller, which is a type of integrated circuit and embedded processor. It can serve as the central controller in instrumentation, industrial monitoring, building automation, portable measurement equipment, and connected sensor systems.
The MSP430V138TDA is identified as a flash-programmed MCU, allowing operating firmware to be programmed and updated in the device rather than relying on mask-programmed ROM. That architecture is useful for products that require configurable control logic, field diagnostics, calibration support, or firmware revision management. Designers should map each firmware function to the specific peripherals and interrupt resources listed in the datasheet, then verify clock, memory, and interface requirements against the product specification.
Its mixed-signal capability makes the MCU relevant to designs that measure analog quantities and perform digital control in the same enclosure. Common implementation choices include sensor signal acquisition, digital control of power converters, metering, low-level communications, and autonomous data collection. For each of these applications, correct sensor conditioning, reference selection, input protection, and isolation remain essential; the microcontroller does not replace front-end analog design.
Low-power operation is a defining consideration in MSP430-based products. The MSP430 architecture is commonly used with duty-cycled control loops, sleep modes, and wake-up events to reduce energy use in battery-operated equipment. Actual active and standby current must be checked at the selected voltage, temperature, clock configuration, and peripheral state. Peripheral gating and firmware execution patterns can materially change system energy consumption, so a datasheet current value should not be treated as an end-to-end application result.
The MSP430V138TDA is offered in a package identified by the TDA ordering suffix. Use the package drawings, land pattern, pin-description table, and recommended PCB layout guidance in the manufacturer documentation rather than inferring dimensions from the suffix. The exposed-pad arrangement, if present, must be connected according to the datasheet and thermal requirements.
This product page combines the verified manufacturer identity, active lifecycle status, flash-programmed MCU classification, source links, application guidance, and a strict drop-in alternative review. Because the available material does not establish pin-compatible substitutes, unverified candidates are excluded. Use the Request a Quote form for current commercial availability, and request the complete manufacturer documentation before committing the part to a production design.
Alternativas drop-in para MSP430V138TDA — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Nenhuma alternativa drop-in disponível para este produto.
Solicitar alternativasMSP430V138TDA Classificações máximas e características elétricas
| Program Memory Type | Flash |
| Tipo de montagem | Surface Mount |
Guia de Configuração de Pinos do MSP430V138TDA standard
Configuração de pinos para MSP430V138TDA (pacote standard). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para MSP430V138TDA.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MSP430V138TDA é adequado para 6 aplicaçãos: Industrial Process Monitoring, Battery-Powered Sensor Nodes, Smart Metering Equipment, Building Automation Controller, Portable Measurement Instrument, Connected Sensor and IoT Module.
Industrial Process Monitoring
The MSP430V138TDA can serve as the central controller in a process-monitoring system that combines sensor conditioning, digital filtering, threshold evaluation, local status indication, and data logging. Its flash-programmed architecture supports configurable firmware for different measurement profiles, calibration constants, and diagnostics. Before assigning a schematic, confirm from the datasheet that the required ADC resolution, sampling inputs, timers, communications, memory, and operating limits fit the measurement channel. The analog front end must provide suitable filtering, reference voltage, input protection, and grounding because the MCU does not remove those requirements.
Battery-Powered Sensor Nodes
The MSP430V138TDA is relevant to battery-powered sensing equipment where a compact controller must acquire data, make decisions, and sleep between measurements. A practical design can use a duty-cycled workflow in which the MCU samples an input, processes the result, transmits through a suitable interface, and returns to a low-power state. Actual battery life must be calculated from the selected clock, sensor current, wake-up behavior, and active duration at the intended voltage and temperature. Firmware should minimize run time, disable unused peripherals, and use the lowest acceptable wake-up latency for the application.
Smart Metering Equipment
The MSP430V138TDA can be evaluated for metering equipment that records pulse counts, samples analog quantities, displays measurements locally, and exchanges operational data with an upstream controller. Flash storage supports field-configurable operating parameters, while timer and communication resources can support periodic measurement and reporting. The designer must verify pulse-capture capability, counter width, interface availability, memory endurance expectations, and timing accuracy in the manufacturer documentation. A production design also needs calibration storage, tamper response, data integrity controls, and compliance testing applicable to the finished meter.
Building Automation Controller
The MSP430V138TDA can be used as a low-power controller for HVAC equipment, lighting control, occupancy systems, or environmental monitoring when its exact peripherals and electrical ratings satisfy the design. It can supervise digital inputs, operate outputs through appropriate drivers, and coordinate periodic communications or scheduled actions. Low-voltage loads should be isolated from the MCU with suitable transistors, relays, or driver circuits, while external protection must address switching transients. Firmware should include safe-state behavior during reset, communication loss, sensor faults, and watchdog recovery.
Portable Measurement Instrument
The MSP430V138TDA is a candidate for a handheld or portable measurement product that combines analog acquisition, digital signal processing, local display control, and data export. Flash programming allows the manufacturer to revise algorithms, calibration tables, and user-interface behavior through the intended programming process. Selection should include checking available memory for buffers and logs, ADC performance across the required input range, required display or storage interfaces, and the size and endurance of nonvolatile data. Low-power design should separate sensor power, analog circuitry, and display loads from always-active domains to improve battery life.
Connected Sensor and IoT Module
The MSP430V138TDA can serve as the application controller in a connected sensor module that gathers local measurements, performs edge processing, and transfers status information. Its role depends on the available communication interfaces, which must be verified in the current datasheet and matched to the radio or transceiver used by the product. Keep the radio and sensor rails switchable where possible, and account for peak radio current through bulk and local decoupling. Firmware should include safe communication retries, unique-device identification, secure update procedures where required, and recovery paths for interrupted operation.
Dados de referência de engenharia para MSP430V138TDA — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto |
|---|---|
| Manufacturer | Texas Instruments |
| Lifecycle Status | Active |
| Program Memory Type | Flash |
Principais diferenciais
- Active flash-programmed MSP430-family MCU (vs MSP430G2210ID)
- Texas Instruments embedded-control product family (vs MSP430G2210ID)
- Conservative sourcing position for legacy designs (vs MSP430G2210ID)
Notas de projeto
Verify the device's operating voltage, core voltage, and I/O voltage limits against the manufacturer datasheet before assigning supplies to its pins. Place the required bypass capacitors close to their corresponding package pins and select voltage ratings that tolerate the expected supply transients. For a battery design, measure the complete active-and-sleep duty cycle with representative firmware rather than relying only on a typical current value.
Assign every pin using the current pin-description table and package drawing. Keep sensitive analog inputs away from fast digital edges and switching-node copper, route analog grounds according to the recommended layout, and place analog filtering components near the source or MCU as appropriate. Confirm exposed-pad connectivity, solder mask, paste, and thermal requirements from the package documentation before releasing the PCB footprint.
Do not assume that another MSP430 can be substituted solely by matching the family name. Verify package dimensions, pin numbering, exposed-pad treatment, power pins, reset behavior, clock pins, and every peripheral function used by the board. Also check memory-map and interrupt-vector compatibility before changing the MCU, because a pin-compatible device can still require firmware and board-support changes.
Reserve the programming and debug interface according to the applicable device documentation and provide test access for supply, reset, clock, and communications. Consider a controlled recovery path for firmware that locks up or enters an invalid clock configuration. Validate startup behavior across cold, warm, and low-supply conditions so a field failure does not require physical access to the product.
Informações de conformidade
The verified product listing identifies the device as active but does not state its RoHS, REACH, automotive, lead-free, halogen-free, or conflict-minerals status. A distributor listing labels the item as RoHS, but the exact declaration and scope were not included in the product data, so the structured compliance fields remain unknown.
