MSP430F149IPMR - 8MHz 16-bit MCU, 60KB Flash, 64-LQFP | TI (Tape & Reel)
MPN: MSP430F149IPMR ✓ פעילMSP430F149IPMR סקירה
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.
חלופות תחליף ישיר עבור MSP430F149IPMR — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MSP430F149IPMR (אותו גורם צורה וטביעת רגל) — שונים ב Package, Flash Memory, Hardware Multiplier, Operating Temperature, Supply Voltage Range.
MSP430F1491IPMG4
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MSP430F1491IPMRG4
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MSP430F1471IPMRG4
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MSP430F147IPMRG4
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MSP430F149IPMR דירוגים מרביים ומאפיינים חשמליים
| Core | MSP430 CPU16 (16-bit RISC) |
| Series | MSP430x1xx |
| תדר שעון מקסימלי | 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) |
| טמפרטורת פעולה | -40C to +85C (IPM suffix) |
| מארז | 64-LQFP (PM), 10x10 mm |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
תצורת פינים של MSP430F149IPMR
| פין 1 | DVCC1 — Digital supply voltage |
| פין 2 | P5.0/STE0 — Port 5.0 / SPI slave transmit enable, USART0 |
| פין 3 | AVCC1 — Analog supply voltage |
| פין 4 | AVSS1 — Analog ground |
| פין 5 | Vref+ — ADC reference voltage positive input |
| פין 6 | Vref-/VeREF- — ADC reference negative / external reference |
| פין 7 | XIN — Crystal oscillator input |
| פין 8 | XOUT — Crystal oscillator output |
| פין 9 | P2.0/ACLK — Port 2.0 / ACLK output |
| פין 10 | P2.1/INCLK — Port 2.1 / INCLK external clock input |
| פין 11 | P2.2/CAOUT — Port 2.2 / comparator A output |
| פין 12 | P2.3/CA0 — Port 2.3 / comparator A input 0 |
| פין 13 | P2.4/CA1 — Port 2.4 / comparator A input 1 |
| פין 14 | P2.5/R_{OUT} — Port 2.5 / DAC0 reference resistor |
| פין 15 | P2.6/DAC0 — Port 2.6 / DAC0 output |
| פין 16 | P2.7/DAC1 — Port 2.7 / DAC1 output |
| פין 17 | P3.0/SIMO0 — Port 3.0 / USART0 SPI master out / slave in |
| פין 18 | P3.1/SOMI0 — Port 3.1 / USART0 SPI master in / slave out |
| פין 19 | P3.2/UCLK0 — Port 3.2 / USART0 clock |
| פין 20 | P3.3/STE0 — Port 3.3 / USART0 slave transmit enable |
| פין 21 | P3.4/SIMO1/SDA — Port 3.4 / USART1 SPI / I2C SDA |
| פין 22 | P3.5/SOMI1/SCL — Port 3.5 / USART1 SPI / I2C SCL |
| פין 23 | P3.6/UCLK1 — Port 3.6 / USART1 clock |
| פין 24 | P3.7/STE1 — Port 3.7 / USART1 slave transmit enable |
| פין 25 | P4.0/TBCLK — Port 4.0 / Timer_B clock input |
| פין 26 | P4.1/TBOUTH/SVSOUT — Port 4.1 / Timer_B output high / SVS output |
| פין 27 | P4.2/TBOUT0 — Port 4.2 / Timer_B output 0 |
| פין 28 | P4.3/TBOUT1 — Port 4.3 / Timer_B output 1 |
| פין 29 | P4.4/TBOUT2 — Port 4.4 / Timer_B output 2 |
| פין 30 | P4.5/TBOUT3 — Port 4.5 / Timer_B output 3 |
| פין 31 | P4.6/TBOUT4 — Port 4.6 / Timer_B output 4 |
| פין 32 | P4.7/TBOUT5 — Port 4.7 / Timer_B output 5 |
| פין 33 | P1.0/TACLK — Port 1.0 / Timer_A clock input |
| פין 34 | P1.1/TA0 — Port 1.1 / Timer_A capture/compare 0 |
| פין 35 | P1.2/TA1 — Port 1.2 / Timer_A capture/compare 1 |
| פין 36 | P1.3/TA2 — Port 1.3 / Timer_A capture/compare 2 |
| פין 37 | P1.4/SMCLK — Port 1.4 / SMCLK output |
| פין 38 | P1.5/TA0 — Port 1.5 / Timer_A capture/compare |
| פין 39 | P1.6/TA1 — Port 1.6 / Timer_A capture/compare |
| פין 40 | P1.7/TA2 — Port 1.7 / Timer_A capture/compare |
| פין 41 | P5.1/MCLK — Port 5.1 / MCLK output |
| פין 42 | P5.2/SMCLK — Port 5.2 / SMCLK output |
| פין 43 | P5.3/ACLK — Port 5.3 / ACLK output |
| פין 44 | P5.4/HCLK — Port 5.4 / HCLK test output |
| פין 45 | P5.5 — Port 5.5 |
| פין 46 | P5.6 — Port 5.6 |
| פין 47 | P5.7 — Port 5.7 |
| פין 48 | P6.0/A0 — Port 6.0 / ADC input 0 |
| פין 49 | P6.1/A1 — Port 6.1 / ADC input 1 |
| פין 50 | P6.2/A2 — Port 6.2 / ADC input 2 |
| פין 51 | P6.3/A3 — Port 6.3 / ADC input 3 |
| פין 52 | P6.4/A4 — Port 6.4 / ADC input 4 |
| פין 53 | P6.5/A5 — Port 6.5 / ADC input 5 |
| פין 54 | P6.6/A6/DAC0 — Port 6.6 / ADC input 6 / DAC0 output |
| פין 55 | P6.7/A7/DAC1/SVSIN — Port 6.7 / ADC input 7 / DAC1 output / SVS input |
| פין 56 | RST/NMI — Reset input / non-maskable interrupt |
| פין 57 | TDO/SBWTDIO — JTAG test data out / Spy-Bi-Wire data I/O |
| פין 58 | TDI/SBWTCK — JTAG test data in / Spy-Bi-Wire test clock |
| פין 59 | TMS — JTAG test mode select |
| פין 60 | TCK — JTAG test clock |
| פין 61 | SBSTEST — Spy-Bi-Wire enable (tie high for SBW) |
| פין 62 | DVSS1 — Digital ground |
| פין 63 | DVSS2 — Digital ground |
| פין 64 | DVCC2 — Digital supply voltage |
יישומים טיפוסיים
MSP430F149IPMR מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MSP430F149IPMR — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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) |
מבדילים עיקריים
- 60 KB Flash + 2 KB SRAM in 64-LQFP with dual 12-bit DACs (לעומתMSP430F147IPMRG4)
- Higher integration analog with hardware multiplier (לעומתMSP430F1471IPMRG4)
- Tray format (low-quantity prototype friendly) (לעומתMSP430F149IPMRR)
הערות תכנון
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.
מידע על תאימות
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.
