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Texas Instruments MSP430G2744IDA38R
- Part No.:
- MSP430G2744IDA38R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 38-TSSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430G2744IDA38R.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,023
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Product details
Overview
MSP430G2744IDA38R from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller with 32KB flash, 1KB RAM, 10-bit 200-ksps ADC, dual 16-bit timers (Timer_A3 and Timer_B3), USCI supporting UART/LIN/IrDA/SPI/I²C, and integrated DCO clock up to 16 MHz - deployed in battery-powered sensor nodes and RF front ends.
For engineers reviewing the MSP430G2744IDA38R datasheet, MSP430G2744IDA38R pinout, MSP430G2744IDA38R application, or MSP430G2744IDA38R equivalent, key selection criteria include active-mode current (270 µA @ 1 MHz), LPM4 standby draw (0.1 µA), 38-pin TSSOP package compatibility, ADC channel count (12-channel), and BSL programmability without external voltage.
Technical Context
The MSP430G2744IDA38R implements a 16-bit CPU with constant generators for optimized code efficiency and five low-power modes (LPM0–LPM4) enabling sub-µA retention. Its DCO supports four factory-calibrated frequencies (1/8/12/16 MHz) and external resistor tuning via P2.5/ROSC.
It integrates a data transfer controller (DTC) for autonomous ADC-to-memory transfers, dual capture/compare registers per timer (TA3/TB3), and USCI modules with LIN auto-baud detection and IrDA encoding - all operating across 1.8–3.6 V supply range with brownout protection and Spy-Bi-Wire debug interface.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 62.5-ns instruction cycle and 16 general-purpose registers |
| Memory | 32KB + 256B flash (in-system programmable), 1KB RAM (retained in LPM4) |
| ADC | 10-bit, 200-ksps, 12-channel with internal reference, autoscan, and DTC for zero-CPU data movement |
| Power Consumption | 270 µA active @ 1 MHz/2.2 V; 1 µA LPM3 (LFXT1); 0.1 µA LPM4 (RAM retention only) |
| Clock System | Digital-controlled oscillator (DCO) with four calibrated frequencies up to 16 MHz; supports LFXT1 (32 kHz), HFXT1 (≤16 MHz), VLO, and external resistor (ROSC) |
| I/O & Peripherals | 32 GPIO pins with Schmitt-trigger inputs, pullup/pulldown resistors; Timer_A3, Timer_B3, USCI_A0 (UART/LIN/IrDA/SPI), USCI_B0 (SPI/I²C) |
| Debug Interface | Spy-Bi-Wire (2-wire JTAG) with on-chip emulation module and BSL bootloader accessible via UART/SPI |
Pinout & Package
TSSOP-38 (DA package), 12.5 mm × 6.2 mm body size, exposed pad not present, RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TACLK/ADC10CLK | Timer_A clock input / ADC conversion clock | Configurable system timing source for timer and ADC synchronization |
| P2.3/TA1/A3/VREF− | Analog input / negative ADC reference | Enables differential ADC measurements or external reference biasing |
| P2.4/TA2/A4/VREF+ | Analog input / positive ADC reference | Supports internal or external reference selection for 0–VCC or custom full-scale ranges |
| P2.5/ROSC | DCO frequency tuning resistor input | Allows precise DCO calibration outside factory settings using external resistor network |
| RST/NMI/SBWTDIO | Reset / non-maskable interrupt / debug I/O | Single-pin dual-function interface for reset assertion and Spy-Bi-Wire programming |
| TEST/SBWTCK | Debug clock input | Enables 2-wire JTAG access without dedicated TCK/TMS pins - reduces PCB footprint |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.1 µA LPM4 current enables multi-year battery life in coin-cell–powered sensors |
| Integrated DCO with calibration | Four factory-trimmed frequencies eliminate need for external crystal in cost-sensitive designs |
| Data Transfer Controller (DTC) | Automates ADC sample storage to RAM without CPU intervention - extends sleep time |
| USCI with LIN support | Hardware-assisted automatic baud-rate detection simplifies automotive sensor integration |
| BSL with UART/SPI | Field firmware updates possible without JTAG hardware - lowers deployment cost |
Applications
| Wireless Sensor Node | Industrial Temperature Monitor |
|---|---|
Use Scenario: Battery-powered environmental sensor collecting temperature/humidity data and transmitting via sub-GHz RF transceiver. IC Role / Device Role / Timing Role: Main controller managing ADC sampling, data preprocessing, low-power scheduling, and SPI communication with RF IC. Use Value: 0.1 µA LPM4 draw and fast wake-up (<1 µs) maximize duty-cycled operation; 32KB flash accommodates protocol stacks and OTA update logic. | Use Scenario: DIN-rail mounted temperature logger with thermistor inputs, local LCD display, and RS-485 Modbus output. IC Role / Device Role / Timing Role: Mixed-signal processor acquiring analog sensor signals, performing linearization, driving display interface, and handling serial protocol framing. Use Value: Integrated 10-bit ADC with internal reference and DTC reduces external component count; 1KB RAM supports real-time data buffering and Modbus register mapping. |
| RF Front-End Controller | Portable Medical Diagnostic Device |
Use Scenario: Stand-alone RF sensor front end capturing analog IF signals from antenna, digitizing, and forwarding to host MCU via UART. IC Role / Device Role / Timing Role: Signal acquisition engine with high-precision timing control for synchronous sampling and packetized data streaming. Use Value: 200-ksps ADC with autoscan and DTC enables continuous waveform capture; USCI_A0 UART with LIN mode supports robust host handshaking. | Use Scenario: Handheld pulse oximeter requiring analog front-end control, LED driver timing, and battery management. IC Role / Device Role / Timing Role: System-on-chip managing photodiode signal conditioning, LED current control via PWM, and low-voltage battery monitoring. Use Value: Dual 16-bit timers (TA3/TB3) provide independent, jitter-free PWM outputs for red/IR LEDs; brownout detector prevents erratic behavior during battery sag. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2544IDA38 | 16KB flash, 512B RAM, identical peripherals and pinout | Lower memory capacity limits complex firmware or large lookup tables | Select when application firmware fits within 16KB and cost sensitivity outweighs future scalability needs |
| MSP430FR2476TRHBR | Ferroelectric RAM (64KB FRAM), no flash wear-out, higher active current (120 µA/MHz) | Superior write endurance and instant nonvolatile storage, but higher power in active mode | Prefer for high-write-cycle logging or where flash erase latency is unacceptable |
Compared with MSP430G2544IDA38, the MSP430G2744IDA38R offers double flash and RAM for larger algorithms and buffers; versus MSP430FR2476TRHBR, it trades FRAM endurance for lower active and standby current - critical for multi-year battery operation.
Availability
MSP430G2744IDA38R is available at Aetrix Electronics and suitable for wireless sensor nodes, industrial temperature monitors, RF front-end controllers, and portable medical diagnostic devices requiring stable component supply and long-term manufacturability.
Supply support for MSP430G2744IDA38R includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.
The MSP430G2x44 product line targets ultra-low-power portable measurement systems - emphasizing extended battery life, integrated analog peripherals, and minimal external component count for compact sensor and telemetry designs.
FAQ
What is the maximum operating frequency of the MSP430G2744IDA38R?
The MSP430G2744IDA38R supports a maximum MCLK frequency of 16 MHz when VCC ≥ 3.3 V and duty cycle is 50% ±10%. This is achieved using the factory-calibrated DCO. At lower supply voltages (e.g., 1.8 V), the maximum sustainable frequency drops to 4.15 MHz per the operating area specification in SLAS892C.
Does the MSP430G2744IDA38R support external crystal oscillators?
Yes, the MSP430G2744IDA38R supports both low-frequency (32 kHz) and high-frequency (up to 16 MHz) external crystals via XIN/P2.6 and XOUT/P2.7 pins. The LFXT1 oscillator operates in low-frequency mode for real-time clock functions, while HFXT1 mode enables precision timing for high-speed peripherals - both configurable through BCSCTL registers.
How many ADC channels does the MSP430G2744IDA38R have, and what reference options are available?
The MSP430G2744IDA38R features a 12-channel, 10-bit ADC10 module. Reference options include internal 1.5-V or 2.5-V references, AVCC, or external sources applied to VREF+/VREF− pins (P2.4/P2.3). Differential measurements are supported using these dedicated reference terminals.
Can the MSP430G2744IDA38R be programmed in-system without a JTAG debugger?
Yes, the MSP430G2744IDA38R includes a built-in Bootstrap Loader (BSL) that enables in-system programming via UART or SPI interfaces without requiring JTAG hardware. The BSL is activated by specific pin states at boot and supports password-protected firmware updates - ideal for field upgrades and production programming.
What low-power modes are available on the MSP430G2744IDA38R, and what is the lowest current draw?
The MSP430G2744IDA38R supports five low-power modes (LPM0–LPM4). The lowest current draw is in LPM4 (RAM retention only), consuming 0.1 µA typical at 2.2 V and 25°C. In this mode, all clocks are disabled except optional VLO, and only RST/NMI or watchdog interrupt can wake the device - optimized for multi-year battery life.
MSP430G2744IDA38R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 38-TSSOP (0.240", 6.10mm Width)
- Series:
- MSP430G2xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, WDT
- Number of I/O:
- 32
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430G2744IDA38R FAQ
1.How can I place an order for MSP430G2744IDA38R through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2744IDA38R on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MSP430G2744IDA38R reliable?
The price and inventory of MSP430G2744IDA38R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2744IDA38R is usually 5 days.
3.What payment methods are accepted for MSP430G2744IDA38R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2744IDA38R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430G2744IDA38R?
MSP430G2744IDA38R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2744IDA38R order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MSP430G2744IDA38R?
For technical support, including MSP430G2744IDA38R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2744IDA38R requirements.
6.How does Aetrix verify that MSP430G2744IDA38R is sourced from the original manufacturer or authorized distributors?
All MSP430G2744IDA38R products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MSP430G2744IDA38R meets industry standards.
7.What is the process for return or replacement of MSP430G2744IDA38R?
All MSP430G2744IDA38R units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2744IDA38R, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MSP430G2744IDA38R part is unused and in its original packaging.
Return procedure for MSP430G2744IDA38R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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