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MSP430F123IPW - 8MHz 16-Bit MCU | Texas Instruments
MSP430F123IPW

MSP430F123IPW - 8MHz 16-Bit MCU | Texas Instruments

The Texas Instruments MSP430F123IPW is an ultralow-power, mixed-signal 16-bit RISC microcontroller with an 8 MHz maximum clock, 8 KB of Flash memory, and 256 bytes of SRAM in a 28-pin TSSOP package. It operates from 1.8 V to 3.6 V and combines a 16-bit CPU, timer, comparator, SPI interface, and USART in a compact device designed for portable measurement and embedded-control applications. An ultralow-power microcontroller is an integrated semiconductor that prioritizes low active and standby current while retaining deterministic digital processing and mixed-signal sensing capabilities. The MSP430 belongs to the microcontroller hierarchy of embedded processors, combining a RISC CPU, nonvolatile program memory, volatile data memory, timers, communication interfaces, and low-power control in one package. Its architecture is aimed at battery-powered instruments, sensors, industrial controls, and portable measurement systems. Five low-power operating modes allow the MSP430F123IPW to reduce activity when continuous processing is unnecessary. According to the manufacturer product information, active-mode current is approximately 200 µA at 1 MHz and 2.2 V, standby current is 0.7 µA, and off-mode current with RAM retention is 0.1 µA. Wake-up from standby takes less than 6 µs, allowing the device to preserve responsiveness while reducing average system energy consumption. The CPU architecture uses a 16-bit RISC processor with 16-bit registers and a constant-memory instruction set. Program storage consists of 8 KB of Flash, while 256 bytes of SRAM provide working data space. The mixed-signal resources include a comparator for thresholding or simple analog-interface functions, and the communication peripherals include USART and SPI interfaces for connecting sensors, transceivers, displays, and external data acquisition components. Typical uses include portable environmental monitors, industrial sensor nodes, battery-powered data loggers, smart measurement instruments, and compact control boards. The 1.8 V to 3.6 V supply range supports low-voltage embedded systems, while the 28-pin TSSOP package permits conventional surface-mount assembly. The USART supports serial links to host computers or configuration equipment, and SPI can provide a faster interface to external sensors, flash memory, or converters. Designers should account for MCU operating current, peripheral load, startup behavior, and the time required to leave standby. Decoupling capacitors should be placed close to the supply pins, and unused inputs should be connected to defined levels. Firmware should configure the unused peripherals and pins before entering a low-power state, then use the documented wake-up mechanism to restore the required clock and peripheral conditions. This product page combines the manufacturer device characteristics, package information, compatible MSP430 candidates, comparison parameters, and practical integration guidance. It is intended to accelerate part evaluation while preserving separate verification against the Texas Instruments MSP430F123IPW datasheet and the latest part-ordering information.

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MSP430F133IPAG - 16-Bit 8MHz Ultra-Low-Power MCU | Texas Instruments
MSP430F133IPAG

MSP430F133IPAG - 16-Bit 8MHz Ultra-Low-Power MCU | Texas Instruments

The Texas Instruments MSP430F133IPAG is a 16-bit ultra-low-power mixed-signal microcontroller operating at up to 8 MHz, with 8 KB of Flash memory and 256 bytes of SRAM. It integrates a 12-bit ADC, a comparator, SPI and UART interfaces, and 22 I/O ports in a 64-pin TQFP (PAG) package rated for the -40 °C to +85 °C industrial temperature range. An ultra-low-power microcontroller is an integrated circuit designed to execute embedded-control tasks while minimizing energy consumption between measurement and processing events. The MSP430 architecture belongs to the embedded microcontroller and mixed-signal IC hierarchy. Its 16-bit RISC core, 16-bit registers, constant generators, and five low-power operating modes make it suitable for instruments, meters, sensors, and portable measurement systems that spend much of their service life in standby or RAM-retention states. The device's principal features include an 8 MHz maximum clock, 8 KB of Flash program memory, 256 bytes of SRAM, a 12-bit ADC, a comparator, and serial interfaces for SPI and UART. A 1.8 V to 3.6 V supply-voltage range supports low-voltage system designs, while the mixed-signal peripherals allow analog sensing and digital control to share one device. Wake-up from standby occurs in less than 1 µs, reducing the latency penalty associated with duty-cycled operation. The MSP430 CPU16 core uses a compact 16-bit RISC architecture with 16-bit registers and constant generators. Its reduced instruction set supports efficient control-code execution, while the hardware ADC and comparator reduce the need for separate analog front-end ICs. Active-mode current is characterized at 1 MHz and 2.2 V, and the device supports multiple power-saving modes for embedded systems operating from restricted energy budgets. Typical applications include low-cost data loggers, industrial panel meters, battery-powered monitors, portable test equipment, environmental sensors, and compact control modules. The TQFP-64 package provides enough I/O and analog resources for designs that require multiple inputs, external memory interfaces, or several serial peripherals while avoiding the size constraints of smaller packages. When laying out the board, treat analog and digital return paths as separate networks until they meet at the device ground reference. Place input and bypass capacitors close to their pins, follow the datasheet grounding topology, and confirm the operating voltage before programming external peripherals. Use the manufacturer datasheet pin table and recommended application schematic for final net assignments and decoupling values. This page combines device specifications, package details, application guidance, comparison parameters, and same-family replacement options to support component selection and board-level implementation. It also organizes practical low-power and mixed-signal design considerations that are not presented together in a standard distributor listing.

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MSP430F133IPM - 8MHz Mixed-Signal MCU | Texas Instruments
MSP430F133IPM

MSP430F133IPM - 8MHz Mixed-Signal MCU | Texas Instruments

The Texas Instruments MSP430F133IPM is an 8 MHz mixed-signal microcontroller with 8 KB of Flash memory, 256 B of SRAM, a 12-bit ADC, a comparator, and SPI and UART interfaces, housed in a 64-pin LQFP (PM) package. The device combines a 16-bit RISC CPU with embedded mixed-signal resources in a package intended for industrial embedded control. A mixed-signal microcontroller integrates digital processing and analog measurement or comparison functions on one device. In the MSP430 architecture, this MCU belongs to the broader embedded-controller hierarchy: MCU, embedded processor, microcontroller, and semiconductor. The MSP430F133IPM is suited to designs that need local control, serial communications, and analog signal conditioning without requiring a separate discrete ADC or comparator. Key device features include an 8 MHz operating speed, 8 KB of program Flash, and 256 B of SRAM. Its 12-bit ADC provides the primary analog conversion path, while the on-chip comparator supports thresholding, signal comparison, and basic mixed-signal control functions. SPI and UART interfaces expand the available options for connecting sensors, external converters, displays, or other embedded peripherals. The 16-bit RISC processing core provides 16-bit registers and constant generators that support efficient control-oriented instruction execution, as described by the available manufacturer and comparison data. The 256 B SRAM is modest compared with current high-density MCUs, so firmware must account for stack depth, buffering, and working-memory limits. The 8 KB Flash capacity is best suited to compact control firmware rather than large graphical interfaces or extensive protocol stacks. Typical uses include industrial sensor acquisition, low-power instrumentation, compact control modules, data loggers, and embedded products that measure an analog input and communicate results through SPI or UART. The LQFP-64 package provides more I/O than small-outline microcontroller packages and can simplify board routing in designs that already use this footprint. Designers should confirm the exact pin assignments and peripheral multiplexing for the LQFP-64 implementation before schematic capture. Component values such as input-voltage limits, ADC accuracy, converter timing, and detailed electrical limits are not stated in the supplied verified snippets and must be checked against the current manufacturer datasheet before production release. This product record combines verified manufacturer specifications, distributor references, source-qualified alternatives, comparison parameters, and application guidance. It also highlights which electrical details still require datasheet confirmation, helping engineers distinguish verified purchasing information from parameters that should not be inferred from an orderable part listing.

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MSP430F135IPM - 8MHz 16-Bit MCU | Texas Instruments
MSP430F135IPM

MSP430F135IPM - 8MHz 16-Bit MCU | Texas Instruments

Texas Instruments MSP430F135IPM is an ultra-low-power 16-bit mixed-signal microcontroller with an 8 MHz maximum clock, 16 KB of Flash memory, 512 bytes of SRAM, a 12-bit ADC, a comparator, and SPI/UART connectivity in a 64-pin LQFP (PM) package. The MCU combines the MSP430 CPU16 RISC architecture with embedded mixed-signal resources for compact control systems that require analog measurement, serial communication, and low standby power. An ultra-low-power microcontroller is an embedded semiconductor designed to complete control, measurement, and communication tasks while minimizing energy consumption. The MSP430 belongs to the mixed-signal MCU hierarchy, combining a digital processor, analog conversion, timers, and communication peripherals in one integrated circuit. This integration can reduce board size and external component count in battery-operated instruments, industrial sensors, and compact control equipment. Verified headline features include an 8 MHz operating speed, 16 KB Flash, 512 B SRAM, and a 12-bit ADC. The device also provides a comparator plus SPI and UART interfaces, supporting analog thresholding, sensor interfaces, and peripheral connectivity. According to the Texas Instruments product page, the MSP430F135 is intended for low-power embedded applications where a compact set of mixed-signal peripherals is preferable to a larger general-purpose MCU. The MSP430F135IPM uses a 16-bit RISC architecture and belongs to TI's MSP430 family of low-power microcontrollers. Its Flash memory supports firmware storage, while the 512-byte SRAM provides working memory for control logic and data handling. The 12-bit ADC is suited to measuring analog sensor outputs, and the comparator can support threshold-based sensing or simple analog decision functions without continuous software polling. Typical uses include low-power industrial controllers, battery-powered measurement instruments, environmental monitoring nodes, compact data-acquisition systems, and serial-connected embedded products. The combination of Flash, SRAM, ADC, comparator, SPI, and UART provides a practical control platform for designs that need local analog sensing and host-device communication without a high-end application processor. Designers should verify the exact operating voltage, active and standby current, I/O count, timer configuration, and ADC performance against the manufacturer datasheet before layout. Decoupling, analog grounding, and the separation of sensitive analog traces from fast digital switching are especially important when the ADC is used near noisy power sources. The 64-pin LQFP footprint also requires deliberate thermal and assembly planning if the device operates continuously near its upper temperature limits. This page consolidates verified manufacturer and distributor information, distinguishes documented facts from parameters that still require datasheet confirmation, and provides practical application guidance that is not limited to a distributor parameter table. It also records the absence of verified drop-in alternatives instead of presenting functional substitutes as pin-compatible replacements.

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MSP430F147IPM - 8MHz 16-Bit MCU, 32KB Flash, 64-LQFP | TI
MSP430F147IPM

MSP430F147IPM - 8MHz 16-Bit MCU, 32KB Flash, 64-LQFP | TI

The Texas Instruments MSP430F147IPM is a 16-bit ultra-low-power mixed-signal microcontroller built around the MSP430 CPU16 RISC core, delivering 8 MHz performance with 32 KB of embedded Flash (32K x 8 + 256B) and 1 KB of SRAM, housed in a 64-pin LQFP (10x10 mm) surface-mount package. It integrates a 12-bit ADC, a comparator, two hardware USARTs (SPI/UART), and a hardware multiplier, while drawing as little as 0.1 uA in RAM-retention off mode at 1.8 V to 3.6 V supply. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals. Within the semiconductor taxonomy, the MSP430 belongs to the 16-bit ultra-low-power MCU family, sitting below 32-bit ARM Cortex-M devices and above 8-bit 8051-class controllers in performance and addressable memory. Texas Instruments' MSP430 platform is specifically optimized for battery-powered and energy-harvesting applications, where standby current dominates total energy consumption. Key features include five low-power operating modes with sub-6 us wake-up from standby, a 16-bit RISC architecture with 27 instructions and constant generators that maximize code density, a 12-bit 200 ksps analog-to-digital converter with internal reference, a 16-bit hardware multiplier for efficient DSP-like math, and 22 programmable I/O pins with edge-selectable interrupts. The integrated Analog Comparator and two USARTs reduce external component count, enabling single-chip mixed-signal designs. The MSP430F147 employs a von-Neumann unified memory map with a 16-bit data bus and 16-bit registers, yielding efficient C and assembly code density. The 12-bit SAR ADC includes sample-and-hold plus an internal 1.5 V or 2.5 V reference, suitable for sensor linearization. Hardware-multiplier execution reaches 8 MIPS at the 8 MHz top MCLK, while RAM-retention current is below 0.1 uA - critical for sealed-battery applications. Typical applications include portable medical instrumentation (glucometers, blood-pressure cuffs), industrial sensor transmitters, smart thermostats and HVAC nodes, battery-powered metering, and remote controls. The combination of 32 KB Flash and 1 KB SRAM is well matched to mid-density control loops with modest data logging. When designing with this device, select the LQFP-64 footprint carefully against the larger LQFP-80 used by MSP430F149/F1491 - the pin maps differ. For systems requiring CAN, USB, or hardware AES, choose an MSP430F5xx/F6xx part instead, because the F1xx family does not integrate those peripherals. This page synthesizes verified distributor pricing, true drop-in pin-compatible alternatives, and practical design notes not aggregated on the manufacturer product page.

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MSP430F148IPM - 8MHz 16-bit MCU, 48KB Flash, 12-bit ADC
MSP430F148IPM

MSP430F148IPM - 8MHz 16-bit MCU, 48KB Flash, 12-bit ADC

Texas Instruments MSP430F148IPM is an 8 MHz, 16-bit mixed-signal microcontroller with 48 KB Flash, 2 KB SRAM, a 12-bit ADC, comparator, SPI, and UART in a 64-pin LQFP package. It belongs to the MSP430 ultra-low-power MCU family, combining a 16-bit RISC core with mixed-signal peripherals for embedded control and measurement systems. The device is specified for a 2.5 V to 3.3 V supply range, an operating temperature range of -40°C to 85°C, and a 64-pin LQFP (PM) package. The MSP430F148IPM is designed for low-power embedded applications where energy efficiency, compact integration, and deterministic control matter. Its 8 MHz maximum clock speed supports firmware execution, timer-based control, serial communication, and analog signal acquisition without requiring a separate analog front end for basic measurement tasks. The integrated 12-bit ADC is useful for monitoring battery voltage, temperature sensors, analog control loops, and industrial process signals. A comparator and hardware multiplier broaden the device's suitability for mixed-signal designs that need simple sensing, threshold detection, or efficient arithmetic operations. Key features include 48 KB of Flash memory for firmware storage, 2 KB of SRAM for working memory, two USART-capable serial interfaces, SPI support, a 12-bit ADC, and a comparator. The 16-bit MSP430 architecture uses 16-bit registers and constant generators to improve code efficiency for embedded control workloads. The device also provides low-power operating modes for systems that spend substantial time waiting for external events or conserving battery energy. Typical applications include battery-powered instrumentation, industrial sensor nodes, portable measurement equipment, building controls, and embedded motor or process controllers. The 12-bit ADC allows the MSP430F148IPM to combine sensing and control in one package, while SPI and UART simplify connection to displays, sensors, data loggers, and external transceivers. The 64-pin LQFP package provides access to the device's broad GPIO and peripheral complement while remaining compatible with conventional leaded-board assembly. Designers should check the datasheet for the exact pin assignments, power sequencing requirements, peripheral multiplexing, and recommended external components before layout. Pay particular attention to analog-input filtering, ADC reference and source impedance, UART signal levels, and decoupling when the MCU operates near its maximum clock frequency. The MSP430F148IPM is therefore best understood as a flexible mixed-signal MCU platform rather than only a general-purpose controller. This page consolidates the verified manufacturer and distributor details, identifies same-package MSP430 family drop-in candidates, compares electrical and packaging characteristics, and adds practical design guidance for engineers evaluating the MSP430F148IPM for embedded control, analog measurement, and low-power products.

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MSP430F1491 - 8MHz 16-bit MCU, 60KB Flash 64-LQFP | TI
MSP430F1491

MSP430F1491 - 8MHz 16-bit MCU, 60KB Flash 64-LQFP | TI

The Texas Instruments MSP430F1491 is a 16-bit ultra-low-power mixed-signal microcontroller based on the MSP430 CPU16 RISC core, running at up to 8 MHz with 60KB Flash memory, 2KB SRAM, a 12-bit ADC, comparator, two USARTs (SPI/UART), and 48 I/O pins in a 64-pin LQFP (10x10 mm) package. An MCU (microcontroller unit) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one die. The MSP430 family occupies the ultra-low-power tier of the embedded processor hierarchy, sitting between general-purpose microcontrollers and dedicated ASSPs, and is designed for battery-operated and energy-harvesting systems where average current draw - not peak performance - is the dominant design constraint. Key features include an ultra-wide low supply range of 1.8 V to 3.6 V, active-mode consumption of just 280 uA at 1 MHz and 2.2 V, standby current of 1.6 uA, and RAM-retention off mode of 0.1 uA. Five software-selectable low-power modes (LPM0 through LPM4) and wakeup from standby in under 6 us allow aggressive duty-cycling that multiplies battery life by orders of magnitude versus always-on MCUs. Architecturally, the MSP430F1491 pairs a 16-bit RISC pipeline with an orthogonal instruction set and flash-based program memory with in-system programmability (ISP). Two built-in 16-bit timers (Timer_A and Timer_B) and a hardware multiplier accelerate math-intensive loops without CPU overhead. The two USARTs each function as asynchronous UART or synchronous SPI, and the 12-bit ADC with integrated sample-and-hold serves direct analog sensing. The F14x1 variant shares the MSP430F14x footprint, offering code- and hardware-compatible family scalability. Typical applications include battery-powered metering, portable instrumentation, sensor data loggers, and low-power industrial control nodes that need dual serial ports for connectivity plus the 12-bit ADC for analog channels. The 48 GPIOs support keypads, LCDs, and relay drive logic. Design consideration: budget memory carefully - 60KB Flash is ample for C-compiled firmware, but 2KB SRAM limits large buffers; use ring buffers and avoid heap fragmentation. This page synthesizes distributor data, same-family drop-in alternatives, and practical design notes beyond the manufacturer datasheet.

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MSP430F1491IPM - 16-bit 8MHz 60KB Flash MCU | Texas Instruments
MSP430F1491IPM

MSP430F1491IPM - 16-bit 8MHz 60KB Flash MCU | Texas Instruments

The Texas Instruments MSP430F1491IPM is a 16-bit ultra-low-power mixed-signal microcontroller with an 8 MHz 16-bit RISC CPU, 60KB (60K x 8 + 256B) of FLASH memory, 2KB of RAM, and a hardware multiplier, housed in a 64-pin LQFP (10x10 mm) surface-mount package. An ultra-low-power MCU is a microcontroller optimized to minimize energy consumption per instruction and per active hour. Within the power-management hierarchy of embedded systems, the MSP430 family from Texas Instruments sits at the ultra-low-power end of the 16-bit microcontroller category, complementing the 32-bit ARM-class devices where battery life, not raw throughput, is the dominant requirement. The MSP430F1491 belongs to the MSP430x1xx generation, combining the CPU16 RISC core with five low-power operating modes. Key features include the 16-bit RISC CPU16 core executing at up to 8 MHz, 60KB of on-chip FLASH plus 256B of calibration memory, 2KB of SRAM, two hardware USART serial ports, and an integrated hardware multiplier that accelerates math-heavy sensing code. The device also integrates a 12-bit ADC with internal reference, a supply voltage supervisor, and a watchdog timer, reducing external component count in battery-powered designs. Architecturally, the MSP430x1xx uses a von Neumann memory map with 16-bit registers and constant-generator cycles that compress code density. The five low-power modes (LPM0 through LPM4) allow sub-microamp standby currents; the CPU wakes in well under a microsecond from LPM modes, enabling burst-style processing that dramatically extends battery life in portable measurement applications. Typical applications include battery-powered portable instrumentation, utility metering front ends, industrial sensor transmitters, and handheld measurement equipment where the combination of 60KB FLASH, 2KB RAM, two USARTs, and the hardware multiplier covers both signal acquisition and communication tasks. When designing, budget the 8 MHz CPU carefully: move filter and scaling math to the hardware multiplier, and place the system into the deepest feasible LPM state between wakeups to maximize battery life. This page synthesizes distributor inventory data, drop-in same-family alternatives, and practical low-power design notes not consolidated in the manufacturer datasheet.

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MSP430F1491IPMG4 - 16-Bit 8MHz MCU 60KB Flash | TI
MSP430F1491IPMG4

MSP430F1491IPMG4 - 16-Bit 8MHz MCU 60KB Flash | TI

The Texas Instruments MSP430F1491IPMG4 is a 16-bit ultra-low-power mixed-signal microcontroller with a 60KB Flash memory, 2KB SRAM, and an 8 MHz MSP430 RISC CPU, housed in a 64-pin LQFP (10x10 mm) surface-mount package. It belongs to the MSP430F14x1 family, combining two 16-bit timers, two USARTs, a hardware multiplier, and 48 general-purpose I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die. Within the power-management hierarchy of embedded systems, an ultra-low-power MCU such as the MSP430F1xx family minimizes energy per operation, making it the controller of choice for battery-powered measurement equipment where battery life is a primary design constraint. Key features include the 16-bit RISC architecture with 16-bit registers and constant generators for maximum code efficiency, five low-power modes with wake-up from standby in less than 6 microseconds, and a hardware multiplier that offloads multiplication from software. The device operates from 1.8V to 3.6V and offers an industrial operating range of -40C to +85C. Architecturally, the MSP430F1491 uses an orthogonal one-cycle-per-instruction 16-bit CPU with von Neumann memory access, enabling dense, efficient C code. Flash memory supports in-system programming via JTAG and Bootstrap Loader. The two hardware USARTs support UART and SPI protocols, and Timer_B provides seven compare/capture channels plus PWM outputs for motor and display control. Typical applications include battery-powered portable instrumentation, metering and data loggers, industrial sensing nodes, and consumer products requiring long standby life. The 48 I/O lines and dual USARTs make it well suited to multi-protocol industrial interfaces. Design consideration: route the analog supply (AVCC/AVSS) separately from the digital rails and place a 0.1uF decoupling capacitor at every supply pin pair; on the F14x1 family the ADC is absent, so analog input pins may be used as digital I/O only. This page synthesizes distributor pricing, drop-in family alternatives, pinout data, and practical design notes not found in the manufacturer datasheet alone.

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MSP430F1491IPMR - 16-bit 8MHz 60KB Flash MCU | Texas Instruments (Tape & Reel)
MSP430F1491IPMR

MSP430F1491IPMR - 16-bit 8MHz 60KB Flash MCU | Texas Instruments (Tape & Reel)

The Texas Instruments MSP430F1491IPMR is a 16-bit ultra-low-power mixed-signal microcontroller with an 8 MHz 16-bit RISC CPU, 60KB (60K x 8 + 256B) of FLASH memory, 2KB of RAM, and a hardware multiplier, housed in a 64-pin LQFP (10x10 mm) surface-mount package. An ultra-low-power MCU is a microcontroller optimized to minimize energy consumption per instruction and per active hour. Within the power-management hierarchy of embedded systems, the MSP430 family from Texas Instruments sits at the ultra-low-power end of the 16-bit microcontroller category, complementing the 32-bit ARM-class devices where battery life, not raw throughput, is the dominant requirement. The MSP430F1491 belongs to the MSP430x1xx generation, combining the CPU16 RISC core with five low-power operating modes. Key features include the 16-bit RISC CPU16 core executing at up to 8 MHz, 60KB of on-chip FLASH plus 256B of calibration memory, 2KB of SRAM, two hardware USART serial ports, and an integrated hardware multiplier that accelerates math-heavy sensing code. The device also integrates a 12-bit ADC with internal reference, a supply voltage supervisor, and a watchdog timer, reducing external component count in battery-powered designs. Architecturally, the MSP430x1xx uses a von Neumann memory map with 16-bit registers and constant-generator cycles that compress code density. The five low-power modes (LPM0 through LPM4) allow sub-microamp standby currents; the CPU wakes in well under a microsecond from LPM modes, enabling burst-style processing that dramatically extends battery life in portable measurement applications. Typical applications include battery-powered portable instrumentation, utility metering front ends, industrial sensor transmitters, and handheld measurement equipment where the combination of 60KB FLASH, 2KB RAM, two USARTs, and the hardware multiplier covers both signal acquisition and communication tasks. When designing, budget the 8 MHz CPU carefully: move filter and scaling math to the hardware multiplier, and place the system into the deepest feasible LPM state between wakeups to maximize battery life. This page synthesizes distributor inventory data, drop-in same-family alternatives, and practical low-power design notes not consolidated in the manufacturer datasheet.

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MSP430F1491IRTDR - 8MHz 60KB Flash MCU | Texas Instruments
MSP430F1491IRTDR

MSP430F1491IRTDR - 8MHz 60KB Flash MCU | Texas Instruments

The Texas Instruments MSP430F1491IRTDR is an 8 MHz, 16-bit ultra-low-power mixed-signal microcontroller with 60 KB Flash memory, 2 KB SRAM, a 12-bit ADC, comparator, SPI, and UART interfaces in a 64-pin VQFNP (RTD) package. It is designed for embedded control and portable measurement systems that require efficient processing, mixed-signal acquisition, and low-power operation. An MCU is a programmable system-on-chip that integrates a CPU, memory, and peripherals. The MSP430 family uses a 16-bit RISC architecture with 16-bit registers and constant generators to support efficient control and measurement workloads. The MSP430F1491IRTDR combines this processing core with Flash and SRAM memory and mixed-signal peripherals, positioning it between a basic microcontroller and a more specialized embedded controller. Verified source data identifies an 8 MHz CPU, 60 KB Flash organized as 60K x 8 plus 256 bytes, 2 KB SRAM, and a 12-bit ADC. The device also includes a comparator plus SPI and UART connectivity. The 64-pin VQFNP package exposes the integrated mixed-signal and communication resources while supporting compact surface-mount placement. Detailed electrical limits, memory-map details, and peripheral pin assignments require the manufacturer datasheet. The MSP430 architecture is intended for low-power embedded systems. The supplied manufacturer description specifically identifies the MSP430 family as ultra-low-power, while the distributor listing identifies this part as an MSP430x1xx mixed-signal microcontroller. These characteristics make the MCU relevant to battery-operated instruments, embedded sensing nodes, industrial measurement systems, and low-power control products. Typical design considerations include confirming the device's supply-voltage limits, ADC input range, clock configuration, communication-pin mapping, and exposed-pad layout against the datasheet. Because the verified data does not provide operating voltage, temperature, ADC input-channel count, GPIO count, or exact timing limits, those values are marked as data needed rather than inferred. The source data also identifies no verified price or current stock quantity, so commercial details should be confirmed with the supplier. This page combines verified manufacturer and distributor attributes with application guidance, comparison considerations, and design notes intended to support early engineering evaluation. It does not substitute for the complete Texas Instruments datasheet, which remains the controlling source for pinout, electrical characteristics, timing, memory behavior, and qualification information.

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MSP430F1491IRTDT - 8MHz 60KB MCU | Texas Instruments
MSP430F1491IRTDT

MSP430F1491IRTDT - 8MHz 60KB MCU | Texas Instruments

The Texas Instruments MSP430F1491IRTDT is an 8 MHz, 16-bit ultra-low-power mixed-signal microcontroller with 60 KB Flash memory, 2 KB SRAM, a 12-bit ADC, comparator, SPI, and UART, housed in a 64-pin VQFN RTD package with exposed pad. Its 1.8 V to 3.6 V supply range and low-power operating modes suit embedded measurement, control, and communication systems. A microcontroller is a programmable semiconductor that integrates a CPU, memory, and peripherals into one device. The MSP430F1491 belongs to the mixed-signal microcontroller family, combining general-purpose embedded control with analog measurement peripherals. Its RISC-based MSP430 architecture, 16-bit registers, and constant generators support efficient code execution for low-power embedded products. The device provides 60 KB of Flash, including 256 bytes identified by the distributor data, and 2 KB of SRAM for firmware and working data. The 12-bit ADC enables sensor and voltage measurements, while the comparator supports threshold detection and low-power signal monitoring. SPI and UART peripherals provide interfaces to sensors, transceivers, displays, and service equipment. Its low-power design includes active, standby, and off modes. The verified data reports 280 µA active current at 1 MHz and 2.2 V, 1.6 µA standby current, and 0.1 µA off current with RAM retention. Standby wakeup is reported in less than 6 µs, which helps reduce response delay in duty-cycled systems. Typical applications include battery-powered instrumentation, industrial sensor nodes, data loggers, communications equipment, motor and process-control products, and portable measurement systems. The 8 MHz CPU and mixed-signal peripherals make the MCU appropriate when several analog inputs and serial interfaces must share a compact embedded platform. Designers should provide the required bypass capacitors, route the exposed-pad thermal and ground connection according to the manufacturer datasheet, and verify that serial interface levels match the attached peripherals. The 3.3 V operating target also requires attention to input thresholds, output drive, and power-budget calculations before PCB release. This product record combines the verified manufacturer identification with distributor package and memory details, practical application guidance, and explicit data gaps where the supplied sources do not provide complete electrical or lifecycle information. It is intended to support engineering selection rather than replace the manufacturer datasheet for production design.

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MSP430F149CY - 16-Bit 8MHz Mixed-Signal MCU | Texas Instruments
MSP430F149CY

MSP430F149CY - 16-Bit 8MHz Mixed-Signal MCU | Texas Instruments

The Texas Instruments MSP430F149CY is a 16-bit mixed-signal microcontroller operating at 8 MHz, with 60 KB of Flash memory, 2 KB of SRAM, a 12-bit ADC, two USARTs, SPI support, and 48 I/O pins in a 64-lead LQFP package. The device is designed for low-power embedded control, instrumentation, sensor acquisition, and communications systems. A mixed-signal microcontroller combines a digital processor with analog and communication peripherals on one integrated device. The MSP430 CPU uses a 16-bit RISC architecture and provides the processing foundation for control firmware, while the ADC enables direct measurement of analog inputs without a separate external converter. In the power-management hierarchy, the MSP430 family targets embedded systems where low power consumption and compact integration are important. The verified MSP430F149 family information identifies an 8 MHz clock, 60 KB of Flash program memory, 2 KB of SRAM, a 12-bit ADC, a comparator, SPI, and UART/USART connectivity. The MSP430F14x family also provides two 16-bit timers and a hardware multiplier, while the MSP430F149 specifically supports two USARTs. These peripherals reduce external component count and provide useful mixed-signal integration for sensor, control, and data-acquisition products. The MSP430F149CY is identified in distributor results as an MSP430x1xx mixed-signal microcontroller with a 16-bit CPU, 8 MHz speed, and 60 KB Flash memory. The C Y suffix and the distributor listings indicate the packaged ordering variant, while the exact temperature range, voltage limits, pin names, package dimensions, and electrical limits were not supplied in the verified data and must be confirmed from the manufacturer datasheet before design release. Typical applications include battery-powered industrial sensors, portable measurement instruments, building and environmental monitoring, motor or actuator control, low-power data loggers, and connected embedded systems. The ADC supports analog sensor conditioning, and the two USARTs support external sensors, radios, displays, or host controllers. The SPI interface can connect to higher-speed peripherals when the application requires it. Designers should budget analog conditioning around the ADC, validate the exact MSP430F149CY pinout and package details, and confirm clock, memory, peripheral, and power requirements against the TI datasheet. This page synthesizes the verified distributor and manufacturer information, while clearly separating unavailable technical values from confirmed specifications.

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MSP430F149IPAG - 8MHz 16-Bit MCU with 60KB Flash | TI
MSP430F149IPAG

MSP430F149IPAG - 8MHz 16-Bit MCU with 60KB Flash | TI

The Texas Instruments MSP430F149IPAG is a 16-bit ultra-low-power mixed-signal microcontroller operating at 8 MHz, with 60 KB of Flash memory, 2 KB of SRAM, a 12-bit ADC, comparator, SPI, and UART interfaces, housed in a 64-TQFP package. It combines a RISC-style MSP430 CPU, 16-bit registers, constant generators, and integrated analog and communications peripherals for compact embedded control systems. What is a mixed-signal microcontroller? A mixed-signal MCU combines digital processing with analog measurement or control functions on one integrated circuit. The MSP430F149 belongs to the MSP430 family of 16-bit RISC microcontrollers and sits within the broader semiconductor and embedded-control hierarchy. Its integrated ADC and comparator reduce external component count, while Flash and SRAM support firmware storage and working memory in low-power embedded products. The device provides an 8 MHz maximum clock, 60 KB Flash, and 2 KB SRAM according to the Texas Instruments product listing. Its 12-bit ADC supports analog measurement tasks, while the comparator is useful for threshold and signal monitoring. SPI and UART peripherals provide serial connectivity, and the integrated hardware multiplier supports efficient arithmetic in control and signal-processing firmware. These features make the MCU suitable for industrial instrumentation, sensor nodes, embedded measurement systems, and low-power data-acquisition equipment. The MSP430 architecture emphasizes efficient execution through a 16-bit RISC CPU, 16-bit registers, and constant generators. Its mixed-signal peripheral set allows a design to acquire analog inputs and communicate through serial interfaces without requiring several separate devices. The exact pin assignments and electrical limits must be confirmed against the manufacturer datasheet before layout or firmware deployment. Typical applications include low-power sensor interfaces, industrial measurement, building-control equipment, portable instrumentation, and embedded systems that require ADC conversion plus serial communications. The 64-TQFP package provides a conventional surface-mount footprint with many externally accessible peripheral and power pins, making it appropriate for designs that value a high pin count and broad integration. Designers should verify package dimensions, pin multiplexing, ADC reference requirements, serial-interface configuration, and low-power-mode behavior using the MSP430F14x, MSP430F14x1, and MSP430F13x datasheet. Keep analog and digital return paths controlled, place decoupling capacitors near the supply pins, and confirm startup and brownout requirements in the complete system design. This page synthesizes verified distributor data, manufacturer resources, and engineering guidance for MSP430F149IPAG selection.

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MSP430F149IPAGR - 8MHz 16-Bit MCU with 60KB Flash | TI (Tape & Reel)
MSP430F149IPAGR

MSP430F149IPAGR - 8MHz 16-Bit MCU with 60KB Flash | TI (Tape & Reel)

The Texas Instruments MSP430F149IPAGR is a 16-bit ultra-low-power mixed-signal microcontroller operating at 8 MHz, with 60 KB of Flash memory, 2 KB of SRAM, a 12-bit ADC, comparator, SPI, and UART interfaces, housed in a 64-TQFP package. It combines a RISC-style MSP430 CPU, 16-bit registers, constant generators, and integrated analog and communications peripherals for compact embedded control systems. What is a mixed-signal microcontroller? A mixed-signal MCU combines digital processing with analog measurement or control functions on one integrated circuit. The MSP430F149 belongs to the MSP430 family of 16-bit RISC microcontrollers and sits within the broader semiconductor and embedded-control hierarchy. Its integrated ADC and comparator reduce external component count, while Flash and SRAM support firmware storage and working memory in low-power embedded products. The device provides an 8 MHz maximum clock, 60 KB Flash, and 2 KB SRAM according to the Texas Instruments product listing. Its 12-bit ADC supports analog measurement tasks, while the comparator is useful for threshold and signal monitoring. SPI and UART peripherals provide serial connectivity, and the integrated hardware multiplier supports efficient arithmetic in control and signal-processing firmware. These features make the MCU suitable for industrial instrumentation, sensor nodes, embedded measurement systems, and low-power data-acquisition equipment. The MSP430 architecture emphasizes efficient execution through a 16-bit RISC CPU, 16-bit registers, and constant generators. Its mixed-signal peripheral set allows a design to acquire analog inputs and communicate through serial interfaces without requiring several separate devices. The exact pin assignments and electrical limits must be confirmed against the manufacturer datasheet before layout or firmware deployment. Typical applications include low-power sensor interfaces, industrial measurement, building-control equipment, portable instrumentation, and embedded systems that require ADC conversion plus serial communications. The 64-TQFP package provides a conventional surface-mount footprint with many externally accessible peripheral and power pins, making it appropriate for designs that value a high pin count and broad integration. Designers should verify package dimensions, pin multiplexing, ADC reference requirements, serial-interface configuration, and low-power-mode behavior using the MSP430F14x, MSP430F14x1, and MSP430F13x datasheet. Keep analog and digital return paths controlled, place decoupling capacitors near the supply pins, and confirm startup and brownout requirements in the complete system design. This page synthesizes verified distributor data, manufacturer resources, and engineering guidance for MSP430F149IPAGR selection.

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MSP430F149IPM - 8MHz 16-bit MCU, 60KB Flash, 64-LQFP | TI
MSP430F149IPM

MSP430F149IPM - 8MHz 16-bit MCU, 60KB Flash, 64-LQFP | TI

The Texas Instruments MSP430F149IPM is a 16-bit ultra-low-power RISC microcontroller built around the MSP430 CPU16 core, running at 8 MHz and integrating 60 KB Flash plus 2 KB SRAM on-chip. It is housed in a 64-pin LQFP (PM, 10x10 mm) package suited to industrial and instrumentation designs that need analog integration and low standby current. The device combines a 12-bit ADC, dual 12-bit DACs, a comparator, two USART peripherals (UART/SPI/I2C), an I2C interface, a hardware multiplier, and five low-power operating modes tuned for battery-driven systems. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals on one silicon die. The MSP430 platform in particular is an ultra-low-power mixed-signal architecture: it merges a 16-bit RISC CPU with high-resolution analog peripherals, placing it in the taxonomy of mixed-signal microcontroller -> microcontroller -> embedded processor -> semiconductor IC. Its five power-saving modes and sub-microamp wake-up time are the defining characteristics that differentiate it from general-purpose MCUs in portable measurement roles. Key features include a 1.8 V to 3.6 V supply range, 280 µA active current at 1 MHz / 2.2 V, 1.6 µA standby current, 0.1 µA RAM-retention off-mode current, and wake-up from standby in less than 6 µs. The 12-bit SAR ADC offers 8 input channels with up to 200 ksps conversion rate, while the dual 12-bit DACs support 12-bit monotonic output for calibration or setpoint generation. Sixteen timers (including two 16-bit timers with capture/compare and a watchdog), an embedded 32 kHz real-time clock oscillator, and on-chip JTAG/Spy-Bi-Wire debug round out the peripheral set. Typical applications include portable medical instrumentation, smart utility meters, battery-powered sensor nodes, industrial data loggers, and consumer remote controls. Its small code footprint and ultra-low standby consumption make it well suited for designs that spend most of their time in sleep and wake briefly for sampling or communications. When designing with this part, place decoupling capacitors within a few millimeters of the AVCC/DVCC pins, keep the analog reference trace short, and route the 32 kHz crystal traces symmetrically with a guard ground. The wide Vcc range allows direct connection to a single lithium cell or two alkaline cells, but a regulator is still recommended for ADC precision. This page synthesizes distributor pricing, drop-in alternatives, and practical design guidance that goes beyond the manufacturer datasheet.

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MSP430F149IPMG4 - 8MHz 16-Bit Ultra-Low-Power MCU | TI
MSP430F149IPMG4

MSP430F149IPMG4 - 8MHz 16-Bit Ultra-Low-Power MCU | TI

The Texas Instruments MSP430F149IPMG4 is an 8 MHz, 16-bit ultra-low-power mixed-signal microcontroller with 60 KB of Flash memory, 2 KB of SRAM, a 12-bit ADC, comparator, SPI, and UART support, housed in a 64-LQFP 10 x 10 mm package. It operates from a 1.8 V to 3.6 V supply and is designed for embedded systems requiring efficient processing, analog measurement, and low standby current. A microcontroller is a programmable system-on-chip that integrates a CPU, memory, and peripherals to control a product. The MSP430F149 belongs to the MSP430 family of 16-bit RISC mixed-signal microcontrollers, combining digital processing with ADC and comparator functions. This device hierarchy places it between general-purpose embedded processors and simple peripheral controllers, making it suitable for instrumentation, sensing, communications, and low-power products. Key features include 8 MHz maximum clock operation, 60 KB Flash, 2 KB SRAM, 12-bit ADC, comparator, SPI, UART, 22 I/O ports, and five power-saving modes. The verified power figures include 280 uA active current at 1 MHz and 2.2 V, 1.6 uA standby current, and 0.1 uA off current with RAM retention. These characteristics support designs that spend substantial time waiting for events while still handling periodic control and measurement tasks. The MSP430 architecture uses a 16-bit RISC CPU with 16-bit registers and constant generators for code efficiency. Its mixed-signal peripherals allow an application to digitize analog inputs and compare signals without requiring a separate ADC or comparator. The 1.8 V to 3.6 V operating range also suits battery-powered and industrial embedded equipment, provided the design observes the device's electrical and timing limits. Typical applications include low-power sensor nodes, industrial measurement systems, battery-operated instruments, UART-connected controllers, SPI-based data acquisition, and portable monitoring equipment. The 60 KB Flash capacity supports substantially more application code than basic controllers, while the 2 KB SRAM provides working memory for buffering and control state. Designers should verify package pin assignments, clock setup, ADC reference configuration, and low-power transitions against the manufacturer datasheet before layout release. Keep decoupling close to the supply pins, provide a stable clock source, and confirm that the 64-LQFP footprint matches the PCB land pattern. The verified distributor data identifies the part as a 64-LQFP device, so footprint and pin-compatible replacement decisions must be based on the complete package drawing.

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MSP430F149IPMR - 8MHz 16-bit MCU, 60KB Flash, 64-LQFP | TI (Tape & Reel)
MSP430F149IPMR

MSP430F149IPMR - 8MHz 16-bit MCU, 60KB Flash, 64-LQFP | TI (Tape & Reel)

The Texas Instruments MSP430F149IPMR is a 16-bit ultra-low-power RISC microcontroller built around the MSP430 CPU16 core, running at 8 MHz and integrating 60 KB Flash plus 2 KB SRAM on-chip. It is housed in a 64-pin LQFP (PM, 10x10 mm) package suited to industrial and instrumentation designs that need analog integration and low standby current. The device combines a 12-bit ADC, dual 12-bit DACs, a comparator, two USART peripherals (UART/SPI/I2C), an I2C interface, a hardware multiplier, and five low-power operating modes tuned for battery-driven systems. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals on one silicon die. The MSP430 platform in particular is an ultra-low-power mixed-signal architecture: it merges a 16-bit RISC CPU with high-resolution analog peripherals, placing it in the taxonomy of mixed-signal microcontroller -> microcontroller -> embedded processor -> semiconductor IC. Its five power-saving modes and sub-microamp wake-up time are the defining characteristics that differentiate it from general-purpose MCUs in portable measurement roles. Key features include a 1.8 V to 3.6 V supply range, 280 µA active current at 1 MHz / 2.2 V, 1.6 µA standby current, 0.1 µA RAM-retention off-mode current, and wake-up from standby in less than 6 µs. The 12-bit SAR ADC offers 8 input channels with up to 200 ksps conversion rate, while the dual 12-bit DACs support 12-bit monotonic output for calibration or setpoint generation. Sixteen timers (including two 16-bit timers with capture/compare and a watchdog), an embedded 32 kHz real-time clock oscillator, and on-chip JTAG/Spy-Bi-Wire debug round out the peripheral set. Typical applications include portable medical instrumentation, smart utility meters, battery-powered sensor nodes, industrial data loggers, and consumer remote controls. Its small code footprint and ultra-low standby consumption make it well suited for designs that spend most of their time in sleep and wake briefly for sampling or communications. When designing with this part, place decoupling capacitors within a few millimeters of the AVCC/DVCC pins, keep the analog reference trace short, and route the 32 kHz crystal traces symmetrically with a guard ground. The wide Vcc range allows direct connection to a single lithium cell or two alkaline cells, but a regulator is still recommended for ADC precision. This page synthesizes distributor pricing, drop-in alternatives, and practical design guidance that goes beyond the manufacturer datasheet.

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MSP430F149IPMRG4 - 8MHz 16-Bit MCU with 60KB Flash | Texas Instruments
MSP430F149IPMRG4

MSP430F149IPMRG4 - 8MHz 16-Bit MCU with 60KB Flash | Texas Instruments

The Texas Instruments MSP430F149IPMRG4 is an 8 MHz, 16-bit ultra-low-power mixed-signal microcontroller with 60 KB of Flash memory, 2 KB of SRAM, a 12-bit ADC, two USARTs, SPI support, and a hardware multiplier, all housed in a 64-pin LQFP package. It is designed for embedded systems that require efficient control, analog measurement, serial communications, and low-power operation. What is a mixed-signal microcontroller? A mixed-signal MCU combines a digital processor with analog and communication peripherals on one integrated device. The MSP430F149 belongs to the MSP430 family of 16-bit RISC microcontrollers and sits within the broader hierarchy of embedded processors, microcontrollers, and semiconductor devices. Its mixed-signal architecture lets embedded products measure analog inputs, process control logic, and communicate with external peripherals without requiring several discrete components. Key features include an 8 MHz MSP430 CPU, 60 KB Flash plus 256 bytes of additional Flash storage as shown in the distributor data, 2 KB SRAM, 22 I/O ports, a 12-bit ADC, two USARTs, SPI, and a hardware multiplier. According to Texas Instruments, the MSP430F14x devices include two built-in 16-bit timers and 48 I/O pins at the device-family level, while the specific ordering information identifies the MSP430F149IPMRG4 as a 64-LQFP industrial-temperature part. The 16-bit RISC architecture, constant generators, and hardware multiplier improve code efficiency and arithmetic throughput for control applications. The 12-bit ADC supports embedded measurement systems, while the two USARTs provide serial connectivity for sensors, displays, data acquisition equipment, and industrial peripherals. The device also supports low-power modes for battery-operated and energy-conscious products. Typical applications include industrial instrumentation, sensor acquisition, motor and process control, embedded data loggers, communications equipment, low-power measurement systems, and compact control platforms. Its combination of local memory, analog conversion, timers, and serial interfaces makes it suitable for designs that need standalone mixed-signal control rather than a larger application processor. When designing a PCB around the MSP430F149IPMRG4, preserve the exposed-package thermal and electrical requirements, follow the manufacturer's recommended decoupling and layout guidance, and verify signal compatibility for every peripheral connection. Use the datasheet for the complete 64-pin pinout, electrical limits, clock configuration, and programming details.

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MSP430F149IRTDR - 8MHz 60KB Flash 16-Bit MCU | Texas Instruments
MSP430F149IRTDR

MSP430F149IRTDR - 8MHz 60KB Flash 16-Bit MCU | Texas Instruments

The Texas Instruments MSP430F149IRTDR is an ultra-low-power 16-bit mixed-signal microcontroller with an 8 MHz CPU, 60 KB of Flash memory, 2 KB of SRAM, a 12-bit ADC, a comparator, and SPI/UART interfaces, supplied in a 64-pin VQFNP (RTD) package. The MSP430F149 belongs to the MSP430 family of RISC microcontrollers designed around low-power operation and multiple power-saving modes. An ultra-low-power microcontroller is an embedded controller that minimizes energy consumption during active operation, standby, and retention states. In the broader device hierarchy, the MSP430F149 is a microcontroller, a mixed-signal microcontroller, and an embedded processing IC. Its combination of Flash program memory, RAM, analog conversion capability, serial interfaces, and low-power modes supports both compact control systems and portable battery-powered instrumentation. The 60 KB Flash capacity provides room for application code, configuration data, and firmware updates. Its 2 KB SRAM supports working data, stack operations, and interrupt servicing. The 12-bit ADC enables analog measurement without requiring a separate converter, while the comparator supports threshold detection and simple signal conditioning. Two serial interfaces identified in the verified data are SPI and UART, allowing connection to sensors, displays, transceivers, and external data-acquisition equipment. The device operates from a 1.8 V to 3.6 V supply, making it suitable for low-voltage industrial and embedded systems. The verified operating range is industrial, and the MCU provides five power-saving modes according to the supplied product data. These characteristics are particularly valuable in instruments that spend substantial time idle, such as portable meters, environmental monitors, and industrial sensing nodes. The 64-pin VQFNP package provides access to the MCU's larger pin count and expanded peripheral set. Board-level implementation should preserve the datasheet's supply and decoupling requirements and account for exposed-pad thermal behavior where applicable. Because the supplied web results do not publish the complete RTD pin map, the pinout is conservatively reported as unavailable rather than reconstructed from memory. This page consolidates verified manufacturer and distributor information, package details, application guidance, and procurement considerations. It also distinguishes confirmed technical facts from parameters that require the full manufacturer datasheet, helping engineers evaluate the MSP430F149IRTDR without relying on unverified generic MCU assumptions.

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MSP430F149IRTDRG4 - 16-Bit 8MHz MCU, 60KB Flash, 64-VQFN | TI
MSP430F149IRTDRG4

MSP430F149IRTDRG4 - 16-Bit 8MHz MCU, 60KB Flash, 64-VQFN | TI

The Texas Instruments MSP430F149IRTDRG4 is a 16-bit RISC mixed-signal microcontroller from the MSP430x1xx family, featuring a CPU16 core running at up to 8 MHz, 60 KB of Flash program memory (60K x 8 + 256B) and 2 KB of SRAM, housed in a 64-pin VQFN (9x9 mm) exposed-pad package. It integrates a 12-bit analog-to-digital converter (ADC), a comparator, two 16-bit timers, a hardware multiplier, and two USART (SPI/UART) peripherals, delivering a broad code-compatible platform for ultra-low-power embedded designs. An MSP430 microcontroller is a 16-bit mixed-signal MCU family from Texas Instruments engineered specifically for ultra-low-power battery-operated applications. Within the broader taxonomy, the MSP430 sits in the hierarchy: MSP430 -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The CPU16 core uses a von-Neumann-style address/data bus with 16-bit registers and orthogonal addressing, enabling compact C and assembly code while the proprietary MSP430 ISA preserves full family code compatibility from F1xx through F5xx. This positioning makes the F1xx series the legacy workhorse for portable instrumentation, smart sensors, and industrial metering designs. Key features include 48 GPIO lines, an 8-channel 12-bit ADC with integrated reference and sample-and-hold, a hardware multiplier that accelerates DSP-style operations, two 16-bit Timer_A blocks supporting capture/compare/PWM, two USART channels (one SPI, one UART or both configurable as SPI/UART), a real-time clock module, and five low-power modes drawing as little as 1.1 uA in LPM3 retention. The 60-VQFN exposed pad delivers a theta-JA of approximately 25-31 C/W with proper PCB copper area, suitable for thermally modest 8 MHz operation. Technical depth: The 12-bit ADC reaches up to 200 ksps with software-selectable reference (internal 1.5V/2.5V or external), a Sample-and-Hold window of 4 ADC clocks, and direct DMA support, making the F149 a frequent choice for sensor signal chains. Two USART channels support SPI up to 4 MHz and UART up to 115.2 kbaud with hardware flow control. The integrated brownout reset, supply voltage supervisor, and basic timer provide system-level robustness. The 'G4' suffix denotes NiPdAu lead-free finish with green (RoHS) compliance. Typical applications span smart utility metering, portable medical instrumentation, sensor hubs, industrial remote controls, and low-power wireless sensor nodes where the F149's 2 KB SRAM and 60 KB Flash comfortably host a real-time OS or state-machine firmware. The wide 1.8V-3.6V supply and ultra-low LPM3 current also suit battery-powered data loggers that wake periodically to sample, process, and transmit. When designing with this device, ensure the 64-VQFN exposed pad is soldered to a sufficient copper pour (recommended at least 1 sq inch top-layer) to keep the junction temperature within the -40C to +85C industrial range at full 8 MHz operation. The unused USART pins should be configured as outputs or terminated to avoid floating inputs that can elevate quiescent current in LPM3 retention. This page synthesizes distributor pricing, drop-in alternatives, pinout reference, and practical design notes not consolidated on any single manufacturer or distributor page, giving engineers a single-source decision brief for the MSP430F149IRTDRG4.

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MSP430F149IRTDT - 8MHz 60KB Flash MCU | Texas Instruments
MSP430F149IRTDT

MSP430F149IRTDT - 8MHz 60KB Flash MCU | Texas Instruments

The Texas Instruments MSP430F149IRTDT is an ultra-low-power 16-bit mixed-signal microcontroller with an 8 MHz operating frequency, 60 KB of Flash memory, 2 KB of SRAM, a 12-bit ADC, an on-chip comparator, and SPI/UART interfaces in a 64-pin VQFNP (RTD) package. It is designed for embedded systems that require low-power operation, mixed-signal measurement, and a compact industrial package. An MCU is a programmable integrated circuit containing a processor core, memory, and peripherals. The MSP430 MCU family combines a 16-bit RISC architecture with energy-conscious operating modes. In the MSP430F149, this hierarchy supports embedded control functions spanning industrial instrumentation, battery-powered sensing, communications modules, and compact data-acquisition systems where both processing capability and power efficiency are important. The device provides 8-channel, 12-bit ADC conversion alongside a comparator for signal conditioning and threshold-based control. Its communication resources include SPI and UART, supporting connection to sensors, external converters, transceivers, and service interfaces. The verified manufacturer product information identifies the MCU as operating at 8 MHz, while the indexed technical listing specifies a 1.8 V to 3.6 V supply range and 22 I/O ports. Memory organization is a key selection criterion: the MSP430F149IRTDT combines 60 KB of Flash program memory with 2 KB of SRAM. Flash retains firmware without a separate external memory device, while SRAM supports runtime variables, stack operations, and intermediate data handling. The indexed distributor listing additionally describes the program memory as 60 KB plus 256 bytes; the functional relationship of that auxiliary area should be confirmed against the current manufacturer datasheet before firmware partitioning. Typical applications include low-power sensor nodes, industrial measurement equipment, serial data loggers, motor or process-control modules, and communication-enabled embedded products. The 12-bit ADC is useful for analog inputs, the comparator supports fast threshold events, and SPI or UART provides pathways to external sensors and service interfaces. Engineers should select passive values and external circuitry for the actual signal bandwidth and required measurement accuracy. The principal design consideration is board-space and power budgeting. The 64-pin VQFNP package supports a compact implementation, but exposed-pad layout, thermal performance, and pin multiplexing still require careful PCB planning. Firmware should use the MCU's low-power modes when appropriate, and unused peripherals should be disabled to reduce overall energy consumption. This page consolidates the verified manufacturer specifications, distributor pricing and availability, source links, application guidance, and design cautions. It also distinguishes a true pin-compatible replacement from variants that merely share the MSP430F149 device name or use a different package, helping engineers avoid incorrect substitutions.

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MSP430F155IPM - 16-Bit 8MHz Mixed-Signal MCU | Texas Instruments
MSP430F155IPM

MSP430F155IPM - 16-Bit 8MHz Mixed-Signal MCU | Texas Instruments

The Texas Instruments MSP430F155IPM is a 16-bit mixed-signal microcontroller operating at 8 MHz, with 16 KB of Flash memory, 512 bytes of SRAM, and a 64-LQFP 10 x 10 mm package. Its integrated peripherals include a 12-bit ADC, dual 12-bit DAC, comparator, DMA controller, I2C, SPI, and UART interfaces. The combination of analog conversion capability, serial connectivity, and low-power operation makes this MCU suitable for compact industrial measurement, data acquisition, portable instrumentation, and embedded control systems. An MCU is a programmable integrated circuit containing a processor core, memory, and peripheral interfaces used to control a product. A mixed-signal MCU belongs to the microcontroller hierarchy and combines digital processing with analog-to-digital and digital-to-analog conversion functions. This integration allows one device to acquire sensor signals, process measurements, generate control outputs, and communicate with external equipment while reducing component count and board area. The MSP430F155IPM uses a 16-bit RISC architecture with 16-bit registers and operates from a 1.8 V to 3.6 V supply. Its 8 MHz clock provides deterministic control-loop performance, while the 12-bit ADC supports measurement resolution across common industrial and sensor signals. Two 12-bit DAC channels can generate independently controlled analog voltages for excitation, biasing, calibration, or actuator-reference applications. DMA and comparator resources further improve real-time system performance. Communication resources include I2C, SPI, and UART interfaces, allowing the device to connect sensors, displays, data loggers, and service equipment through common serial protocols. The integrated analog and digital blocks avoid external converters for many designs, although system accuracy still depends on reference quality, layout, input conditioning, and calibration. The manufacturer datasheet should be used when assigning ADC channels, DAC outputs, and mixed-signal routing functions. Typical uses include portable data loggers, industrial transducers, laboratory measurement equipment, battery-powered recorders, environmental monitoring, and embedded control panels. The 64-LQFP package exposes more I/O than smaller microcontroller packages and is practical for prototypes or products requiring multiple serial interfaces, analog inputs, and digital control signals. Its 22 I/O positions provide connectivity for sensors, switches, indicators, and communications. Power-rail design should account for the 1.8 V to 3.6 V operating range, analog reference stability, and the current required by the ADC, DAC, communications peripherals, and attached loads. Place input and output capacitors close to their associated supply pins, route analog signals away from switching nodes, and provide a clean reference network. Review the pin-description and recommended-application circuits in the manufacturer datasheet before finalizing the PCB. This product record combines the device's principal specifications, package details, mixed-signal application guidance, comparison criteria, and practical design considerations. It is intended to help engineers confirm interface requirements, identify suitable board-level companions, and evaluate footprint-compatible MSP430 family options before releasing a design.

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MSP430F157IPM - 8MHz 32KB Flash Mixed-Signal MCU | Texas Instruments
MSP430F157IPM

MSP430F157IPM - 8MHz 32KB Flash Mixed-Signal MCU | Texas Instruments

The Texas Instruments MSP430F157IPM is an 8 MHz mixed-signal microcontroller with a 16-bit RISC CPU, 32 KB flash memory, 1 KB SRAM, a 12-bit ADC, dual 12-bit DACs, comparator, DMA, and I2C, SPI, and UART interfaces. The device is housed in a 64-pin LQFP (PM) package measuring 10 mm by 10 mm. A mixed-signal microcontroller combines a digital processor and analog conversion peripherals in one package. In the MSP430 product hierarchy, MSP430F157IPM is a mixed-signal MCU, placing analog measurement and signal generation alongside a low-power 16-bit processor. This integration allows a compact instrument to acquire sensor signals and produce controlled analog outputs without requiring separate converters. The principal features include an 8 MHz maximum clock, 32 KB of flash program memory, 1 KB of SRAM, a 12-bit ADC, two 12-bit DAC channels, and a comparator. A direct-memory-access controller supports efficient peripheral transfers, while I2C, SPI, and UART interfaces connect the MCU to sensors, displays, data loggers, and external converters. The MSP430 architecture also provides multiple low-power operating modes for battery-powered measurement systems. The 16-bit RISC CPU uses a reduced instruction set designed for efficient control and measurement workloads. Its 16-bit registers and word-oriented architecture are well suited to handling ADC results, timers, control loops, and communication buffers. Peripheral integration allows designers to avoid duplicating conversion circuitry while retaining a compact firmware-driven signal chain. Typical uses include portable environmental monitoring, industrial sensor acquisition, precision control, battery-powered instruments, communications equipment, and compact data-acquisition systems. The ADC supports analog measurement, the dual DACs support excitation or output control, and the serial interfaces support expansion to external sensors and digital peripherals. The 64-pin LQFP package also provides a conventional surface-mount format with a generous pin count for analog, power, and digital signals. When laying out the PCB, keep analog inputs short, maintain a clean return path around the ADC and DAC circuitry, and place bypass capacitors close to the supply pins. Confirm the exact pin assignments and exposed-power requirements against the manufacturer datasheet before routing. This page consolidates the device’s key specifications, application guidance, and drop-in replacement considerations for faster engineering review and sourcing.

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