MSP430F149IPMR - 8MHz 16-bit MCU, 60KB Flash, 64-LQFP | TI (Tape & Reel)
N.º da peça: MSP430F149IPMR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $11.5 | $11,50 |
| 10 | $10.35 | $103,50 |
| 100 | $9.2 | $920,00 |
| 500 | $8.3 | $4.150,00 |
| 1.000 | $7.5 | $7.500,00 |
MSP430F149IPMR Visão geral
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.
Alternativas drop-in para MSP430F149IPMR — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MSP430F149IPMR (mesmo formato e footprint) — diferindo em ADC, Communication Interfaces, Hardware Multiplier, Operating Temperature, Package.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MSP430F1491IPMG4
✅ Drop-In✓ Em estoque
$5.73 / unidade
Ver ficha técnica →MSP430F1491IPMRG4
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MSP430F1471IPMRG4
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MSP430F147IPMRG4
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MSP430F149IPMR Classificações máximas e características elétricas
| Core | MSP430 CPU16 (16-bit RISC) |
| Series | MSP430x1xx |
| Frequência máxima de clock | 8 MHz |
| Program Memory | 60 KB Flash (60K x 8 + 256B info) |
| RAM | 2 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Mode Current (1 MHz, 2.2 V) | 280 µA |
| Standby Mode Current | 1.6 µA |
| Off Mode Current (RAM Retention) | 0.1 µA |
| Wake-up From Standby | <6 µs |
| ADC | 12-bit SAR, 8 channels, up to 200 ksps |
| DAC | 2x 12-bit DAC |
| Comparators | 2 on-chip |
| Communication Interfaces | 2x USART (UART/SPI), 1x I2C/SPI, 1x UART |
| Timers | 16-bit Timer A and Timer B, WDT+, basic timer1 |
| Hardware Multiplier | Yes (16x16, signed/unsigned) |
| Temperatura de operação | -40C to +85C (IPM suffix) |
| Encapsulamento | 64-LQFP (PM), 10x10 mm |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do MSP430F149IPMR
| Pino 1 | DVCC1 — Digital supply voltage |
| Pino 2 | P5.0/STE0 — Port 5.0 / SPI slave transmit enable, USART0 |
| Pino 3 | AVCC1 — Analog supply voltage |
| Pino 4 | AVSS1 — Analog ground |
| Pino 5 | Vref+ — ADC reference voltage positive input |
| Pino 6 | Vref-/VeREF- — ADC reference negative / external reference |
| Pino 7 | XIN — Crystal oscillator input |
| Pino 8 | XOUT — Crystal oscillator output |
| Pino 9 | P2.0/ACLK — Port 2.0 / ACLK output |
| Pino 10 | P2.1/INCLK — Port 2.1 / INCLK external clock input |
| Pino 11 | P2.2/CAOUT — Port 2.2 / comparator A output |
| Pino 12 | P2.3/CA0 — Port 2.3 / comparator A input 0 |
| Pino 13 | P2.4/CA1 — Port 2.4 / comparator A input 1 |
| Pino 14 | P2.5/R_{OUT} — Port 2.5 / DAC0 reference resistor |
| Pino 15 | P2.6/DAC0 — Port 2.6 / DAC0 output |
| Pino 16 | P2.7/DAC1 — Port 2.7 / DAC1 output |
| Pino 17 | P3.0/SIMO0 — Port 3.0 / USART0 SPI master out / slave in |
| Pino 18 | P3.1/SOMI0 — Port 3.1 / USART0 SPI master in / slave out |
| Pino 19 | P3.2/UCLK0 — Port 3.2 / USART0 clock |
| Pino 20 | P3.3/STE0 — Port 3.3 / USART0 slave transmit enable |
| Pino 21 | P3.4/SIMO1/SDA — Port 3.4 / USART1 SPI / I2C SDA |
| Pino 22 | P3.5/SOMI1/SCL — Port 3.5 / USART1 SPI / I2C SCL |
| Pino 23 | P3.6/UCLK1 — Port 3.6 / USART1 clock |
| Pino 24 | P3.7/STE1 — Port 3.7 / USART1 slave transmit enable |
| Pino 25 | P4.0/TBCLK — Port 4.0 / Timer_B clock input |
| Pino 26 | P4.1/TBOUTH/SVSOUT — Port 4.1 / Timer_B output high / SVS output |
| Pino 27 | P4.2/TBOUT0 — Port 4.2 / Timer_B output 0 |
| Pino 28 | P4.3/TBOUT1 — Port 4.3 / Timer_B output 1 |
| Pino 29 | P4.4/TBOUT2 — Port 4.4 / Timer_B output 2 |
| Pino 30 | P4.5/TBOUT3 — Port 4.5 / Timer_B output 3 |
| Pino 31 | P4.6/TBOUT4 — Port 4.6 / Timer_B output 4 |
| Pino 32 | P4.7/TBOUT5 — Port 4.7 / Timer_B output 5 |
| Pino 33 | P1.0/TACLK — Port 1.0 / Timer_A clock input |
| Pino 34 | P1.1/TA0 — Port 1.1 / Timer_A capture/compare 0 |
| Pino 35 | P1.2/TA1 — Port 1.2 / Timer_A capture/compare 1 |
| Pino 36 | P1.3/TA2 — Port 1.3 / Timer_A capture/compare 2 |
| Pino 37 | P1.4/SMCLK — Port 1.4 / SMCLK output |
| Pino 38 | P1.5/TA0 — Port 1.5 / Timer_A capture/compare |
| Pino 39 | P1.6/TA1 — Port 1.6 / Timer_A capture/compare |
| Pino 40 | P1.7/TA2 — Port 1.7 / Timer_A capture/compare |
| Pino 41 | P5.1/MCLK — Port 5.1 / MCLK output |
| Pino 42 | P5.2/SMCLK — Port 5.2 / SMCLK output |
| Pino 43 | P5.3/ACLK — Port 5.3 / ACLK output |
| Pino 44 | P5.4/HCLK — Port 5.4 / HCLK test output |
| Pino 45 | P5.5 — Port 5.5 |
| Pino 46 | P5.6 — Port 5.6 |
| Pino 47 | P5.7 — Port 5.7 |
| Pino 48 | P6.0/A0 — Port 6.0 / ADC input 0 |
| Pino 49 | P6.1/A1 — Port 6.1 / ADC input 1 |
| Pino 50 | P6.2/A2 — Port 6.2 / ADC input 2 |
| Pino 51 | P6.3/A3 — Port 6.3 / ADC input 3 |
| Pino 52 | P6.4/A4 — Port 6.4 / ADC input 4 |
| Pino 53 | P6.5/A5 — Port 6.5 / ADC input 5 |
| Pino 54 | P6.6/A6/DAC0 — Port 6.6 / ADC input 6 / DAC0 output |
| Pino 55 | P6.7/A7/DAC1/SVSIN — Port 6.7 / ADC input 7 / DAC1 output / SVS input |
| Pino 56 | RST/NMI — Reset input / non-maskable interrupt |
| Pino 57 | TDO/SBWTDIO — JTAG test data out / Spy-Bi-Wire data I/O |
| Pino 58 | TDI/SBWTCK — JTAG test data in / Spy-Bi-Wire test clock |
| Pino 59 | TMS — JTAG test mode select |
| Pino 60 | TCK — JTAG test clock |
| Pino 61 | SBSTEST — Spy-Bi-Wire enable (tie high for SBW) |
| Pino 62 | DVSS1 — Digital ground |
| Pino 63 | DVSS2 — Digital ground |
| Pino 64 | DVCC2 — Digital supply voltage |
Aplicações típicas
MSP430F149IPMR é adequado para 6 aplicaçãos: Portable Medical Instrumentation, Smart Utility Metering (Electricity, Water, Gas), Industrial Data Loggers and Sensor Nodes, Battery-Powered Remote Controls / Key Fobs, Consumer Electronics with Display/Motor Control, Security and Alarm Systems.
Portable Medical Instrumentation
The MSP430F149IPMR is a strong fit for portable medical instruments such as blood-glucose meters, pulse oximeters, and digital thermometers. Its 1.6 µA standby and 0.1 µA off-mode (RAM retained) draw extend battery life to months or years on a single coin cell, while the 12-bit SAR ADC with 8 channels and 200 ksps rate captures bio-sensor signals with adequate resolution. The dual 12-bit DACs drive bias voltages or stimulation waveforms, and the 64-LQFP footprint fits handheld enclosures. Use it between the battery and the sensor analog front-end with the ADC reference tied to a low-noise external bandgap. Unlike higher-power ARM Cortex MCUs, the F149 adds no switching noise to the analog signal chain and keeps quiescent current minimal.
Recomendado
Smart Utility Metering (Electricity, Water, Gas)
Smart electricity, water, and gas meters run on the MSP430F149IPMR's ultra-low standby and integrated 12-bit ADC. The 60 KB Flash hosts metering firmware plus calibration tables, and the hardware multiplier speeds RMS and power-factor math without loading the CPU. Real-time clock behavior comes from the integrated 32 kHz oscillator, while two USARTs interface to metrology front-ends and wireless modules (RF, PLC). Sleep current of 1.6 µA lets battery-backed meters survive 10+ years, and the 1.8 V to 3.6 V range accepts direct LiSOCl2 cell connection. Place an LDO or ferrite between the cell and AVCC for ADC noise immunity.
Recomendado
Industrial Data Loggers and Sensor Nodes
Industrial data loggers and wireless sensor nodes benefit from the MSP430F149IPMR's mix of analog, memory, and low-power capability. The 60 KB Flash stores buffer plus protocol stacks, and 2 KB SRAM holds time-stamped sensor reads between transmissions. The 12-bit ADC with 8 inputs directly digitizes 4-20 mA / 0-10 V loops (after signal conditioning), while the comparator serves as a threshold alarm. Two USARTs talk to RS-485 transceivers or sub-GHz radios; the I2C port handles external EEPROM or sensors. The 5 power-saving modes let the device wake, sample, transmit, and return to sleep within milliseconds. Trade-off vs higher-MHz parts: slower CPU means careful code tuning for protocol-heavy tasks.
Recomendado
Battery-Powered Remote Controls / Key Fobs
Battery-powered remote controls and key fobs run for years on a coin cell thanks to the MSP430F149IPMR's 0.1 µA off-mode and <6 µs wake-up. The 64-LQFP integrates pushbutton debouncing, RF link control (via SPI to an external transceiver), LED driving through DAC, and security/authentication code in 60 KB of Flash. The hardware multiplier accelerates rolling-code encryption, and the on-chip comparator wakes the MCU on first keystroke without external circuitry. Operating from 1.8 V to 3.6 V lets the design run directly from a CR2032 cell without a boost converter. Trade-off vs smaller QFN parts: 64-LQFP is over-spec for very compact fobs.
Recomendado
Consumer Electronics with Display/Motor Control
Consumer devices such as e-bike dashboards, fan controllers, and small appliances use the MSP430F149IPMR for its 16-bit timers, 12-bit ADC for setpoint reading, and dual DACs for driving audio or motor references. The 60 KB Flash fits USB-CDC stacks or BLE controller libraries, while the 2 KB SRAM supports display framebuffers for small character LCDs. The two USARTs interface to BLE modules and motor driver ICs; the I2C bus talks to EEPROM and sensor ICs. Active current of 280 µA at 1 MHz / 2.2 V means battery-powered segments are still practical. Use the integrated 32 kHz oscillator for RTC-free design where the mains is the time source.
Recomendado
Security and Alarm Systems
Security panels, PIR detectors, and glass-break alarm sensors rely on the MSP430F149IPMR's low standby draw and integrated analog. The 12-bit ADC digitizes thermistor or PIR sensor outputs, the comparator provides instant threshold alarms, and the USARTs link to RF or wired keypads. With 60 KB Flash, the part stores event logs and encryption keys; with 2 KB SRAM, it buffers alarm events before transmission. Off-mode current of 0.1 µA with RAM retention lets battery-backed detectors last 5+ years. Operating range of 1.8 V to 3.6 V accepts direct connection to 3 V lithium backup cells without regulation. Trade-off: not AEC-Q100, so not directly automotive-grade without further qualification.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MSP430F149IPMR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MSP430F149IPMRR | MSP430F1491IPMG4 | MSP430F1491IPMRG4 | MSP430F1471IPMRG4 | MSP430F147IPMRG4 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-LQFP (PM, 10x10 mm) | 64-LQFP (PM, 10x10 mm) - same | 64-LQFP (PM, 10x10 mm) - same | 64-LQFP (PM, 10x10 mm) - same | 64-LQFP (PM, 10x10 mm) - same | 64-LQFP (PM, 10x10 mm) - same |
| Program Memory (Flash) | 60 KB | 60 KB | 60 KB | 60 KB | 32 KB (-47%) | 32 KB (-47%) |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB (-50%) | 1 KB (-50%) |
| DAC | 2x 12-bit | 2x 12-bit | 2x 12-bit | 2x 12-bit | 2x 12-bit | None |
| ADC | 12-bit, 8 channels | 12-bit, 8 channels | 12-bit, 8 channels | 12-bit, 8 channels | 12-bit, 8 channels | 12-bit, 8 channels |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Packaging Format | Tray (IPM) | Reel (-R) | Tray (G4 lead-free) | Reel (-R) G4 lead-free | Reel G4 lead-free | Reel G4 lead-free |
| Lead-Free Finish | Yes (Pb-free) | Yes (Pb-free) | Yes (G4 suffix) | Yes (G4 suffix) | Yes (G4 suffix) | Yes (G4 suffix) |
Principais diferenciais
- 60 KB Flash + 2 KB SRAM in 64-LQFP with dual 12-bit DACs (vs MSP430F147IPMRG4)
- Higher integration analog with hardware multiplier (vs MSP430F1471IPMRG4)
- Tray format (low-quantity prototype friendly) (vs MSP430F149IPMRR)
Notas de projeto
Place a 1 µF ceramic decoupling capacitor (X7R) within 5 mm of each DVCC pin (1 and 64), and a 100 nF ceramic within 5 mm of AVCC (pin 3) with a separate ground return to AVSS. Connect DVCC and AVCC through a small ferrite bead to isolate analog switching noise from the digital supply. The 1.8 V to 3.6 V supply range allows direct operation from two alkaline cells; if running from a noisy USB-derived rail, add an LDO in front of AVCC for ADC noise immunity.
Route the 32 kHz crystal traces (XIN, XOUT) symmetrically, keep them shorter than 5 mm, and surround them with a guard ground connected to AVSS to minimize noise coupling into the real-time clock. Place the crystal on the same side as the MCU and avoid routing digital signals under it. Keep ADC analog traces (P6.0-P6.7) short and away from the crystal and switching signals to preserve ADC accuracy.
Do not leave unused analog pins floating - tie them to AVSS or AVCC through 100 kΩ resistors to prevent ADC input leakage from biasing the SAR capacitor. Configure unused GPIO pins as outputs to minimize quiescent current. Enable the watchdog timer (WDT+) in production firmware to recover from software lockups, and configure the SVS (Supply Voltage Supervisor) for brownout protection at 1.8 V to avoid Flash corruption during battery dips.
For ADC measurements requiring full 12-bit accuracy, buffer the input signal with an op-amp rail-to-rail I/O configured in unity-gain to keep source impedance below 1 kΩ; the F149's ADC sampling capacitor (15 pF) draws a 20 ns charge that distorts readings from higher-impedance sources. Place a 100 nF ceramic between Vref+ and Vref- close to the pins, and use a low-noise external reference (REF3133 or equivalent) rather than the internal 2.5 V reference if absolute accuracy is required.
Informações de conformidade
RoHS-compliant per TI product page. The G4 suffix indicates lead-free / Pb-free finish suitable for reflow soldering. Not AEC-Q100 qualified; for automotive applications, an AEC-Q100 grade MSP430 part (e.g. MSP430F1491IPMRG4 in some revisions) may be available from TI. Halogen-free status not explicitly stated on datasheet.
