MSP430V138TDA
MSP430V138TDA Flash Embedded MCU | Texas Instruments
The Texas Instruments MSP430V138TDA is an active, flash-programmed embedded microcontroller intended for mixed-signal, low-power, and connected embedded systems. It belongs to the MSP430 family of 16-bit RISC microcontrollers, combining a microcontroller core, on-chip program and data memory, analog measurement resources, timers, communication interfaces, and low-power operating modes in one integrated device. The exact electrical ratings, memory organization, clock architecture, peripheral configuration, pin assignments, and package dimensions should be confirmed in the manufacturer datasheet before schematic capture or PCB layout begins.
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.
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