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Texas Instruments MSP430F2254TRHAR
- Part No.:
- MSP430F2254TRHAR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
MSP430F2254TRHAR.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 40VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,813
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Product details
Overview
MSP430F2254TRHAR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 16 KB + 256 B flash memory, 512 B RAM, a 10-bit 200-ksps ADC with internal reference and autoscan, two configurable operational amplifiers, and dual 16-bit timers (Timer_A and Timer_B). It operates across 1.8 V–3.6 V and targets battery-powered sensor systems requiring precise analog signal capture and low-energy processing.
For engineers reviewing the MSP430F2254TRHAR datasheet, MSP430F2254TRHAR pinout, MSP430F2254TRHAR application, or MSP430F2254TRHAR equivalent, key selection criteria include its 40-pin QFN (RHA) package, integrated op-amps for sensor front-end conditioning, ultra-low standby current (0.7 µA), and Spy-Bi-Wire debug interface compatibility.
Technical Context
The MSP430F2254TRHAR implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations. Its clock system includes a digitally controlled oscillator (DCO) calibrated to ±1% at 1 MHz, plus support for 32-kHz crystal, HF crystal up to 16 MHz, and external resistor/clock sources.
It integrates two independent operational amplifiers (OA0 and OA1) with multiple input/output configurations per pin, a 12-channel ADC10 with data transfer controller (DTC), USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C), and five software-selectable low-power modes - including LPM4 with 0.1 µA off-mode RAM retention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and 62.5-ns instruction cycle time |
| Flash / RAM | 16 KB + 256 B flash memory with security fuse; 512 B RAM with retention in LPM4 |
| ADC | 10-bit, 200-ksps SAR ADC with 12 analog inputs, internal reference, autoscan, and DTC |
| Op Amps | Two rail-to-rail operational amplifiers (OA0/OA1) with programmable gain and multiple I/O pin mappings |
| Power Consumption | 270 µA active @ 1 MHz/2.2 V; 0.7 µA standby; 0.1 µA off mode with RAM retention |
| Operating Voltage | 1.8 V to 3.6 V supply range - supports coin-cell and single Li-ion battery operation |
| Wake-up Time | <1 µs from standby to active mode via DCO-based fast wake-up |
Pinout & Package
Package: 40-pin QFN (RHA), 6 mm × 6 mm, 0.5 mm pitch, exposed thermal pad (connected to DVSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 / TEST/SBWTCK | Spy-Bi-Wire test clock input | Enables programming/debug via 2-wire interface; no JTAG header required |
| 6 / RST/NMI/SBWTDIO | Reset/nonmaskable interrupt/test data I/O | Single-pin reset, NMI, and bidirectional debug data path |
| 7–10, 14–19, 29–36, 38 / P1.x–P4.x | General-purpose I/O with peripheral multiplexing | 32 total GPIO pins supporting timer capture/compare, UART/I²C/SPI, ADC inputs, and op-amp I/O |
| 22 / AVSS | Analog ground reference | Separate analog return path minimizes noise coupling into ADC and op-amps |
| 16 / AVCC | Analog supply voltage | Dedicated 1.8–3.6 V analog rail decoupled from digital DVCC for precision analog performance |
| QFN Pad | Thermal and ground connection | Exposed pad must be soldered to DVSS plane for thermal dissipation and EMI reduction |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Op Amps | Two fully configurable op-amps (OA0/OA1) usable as PGA, comparator, or filter stage - eliminates external signal-conditioning ICs |
| Ultra-Low-Power Operation | Five low-power modes with sub-µA standby and 0.1 µA RAM-retentive off mode - extends battery life in remote sensors |
| On-Chip Emulation | Embedded Emulation Module (EEM) enables full-speed debugging and flash programming via Spy-Bi-Wire using MSP-FET430UIF |
| Smart ADC with DTC | ADC10 includes Data Transfer Controller that autonomously moves conversion results to RAM without CPU intervention - reduces active time |
| Calibrated DCO | Digital Controlled Oscillator factory-calibrated to ±1% accuracy at 1 MHz - eliminates need for external crystal in cost-sensitive designs |
| USCI Peripherals | Dual universal serial communication interfaces: USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C) - supports multi-protocol sensor connectivity |
Applications
| Wireless Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered temperature/humidity node transmitting data via UART-to-LoRa module. IC Role / Device Role / Timing Role: Main controller executing sensor readout, ADC conversion, op-amp signal conditioning, and UART framing. Use Value: 0.7 µA standby current and <1 µs wake-up enable duty-cycled operation achieving multi-year battery life. |
Use Scenario: Wearable pulse oximeter acquiring analog photodiode signals and computing SpO₂. IC Role / Device Role / Timing Role: Analog front-end processor with dual op-amps for transimpedance amplification and ADC-driven real-time calculation. Use Value: Integrated OA0/OA1 and 12-channel ADC eliminate discrete op-amp and external ADC, reducing BOM count and board area. |
| Industrial Process Transmitter | Smart Meter Sensor Interface |
Use Scenario: 4–20 mA loop-powered pressure transmitter with local diagnostics. IC Role / Device Role / Timing Role: Low-voltage system controller managing analog sensor excitation, ratiometric ADC measurement, and HART modulation. Use Value: 1.8 V minimum operating voltage allows direct use of loop-derived power without boost converter. |
Use Scenario: Electricity meter auxiliary sensor hub monitoring temperature, tamper switches, and optical port status. IC Role / Device Role / Timing Role: Secondary MCU handling non-critical sensing tasks while main meter SoC remains in deep sleep. Use Value: Pin-compatible family scalability (e.g., MSP430F2234 → F2254) enables shared PCB layout across meter variants. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F2274TRHAR | 32 KB + 256 B flash, 1 KB RAM, same peripherals and pinout | Supports larger firmware (e.g., OTA updates, advanced algorithms) | Select when firmware size exceeds 16 KB or RAM >512 B is needed |
| MSP430F2234TRHAR | 8 KB + 256 B flash, 512 B RAM, identical op-amps, ADC, and timers | Lower-cost option for simpler sensor logic with fixed calibration tables | Select for cost-sensitive volume production where code footprint ≤8 KB |
Compared with MSP430F2254TRHAR, the F2274TRHAR provides headroom for future feature expansion without layout change, while the F2234TRHAR reduces unit cost in resource-constrained deployments - all three share identical QFN-40 packaging, op-amp configuration, and low-power behavior.
Availability
MSP430F2254TRHAR is available at Aetrix Electronics and suitable for wireless sensor nodes, portable medical monitors, and industrial process transmitters requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MSP430F2254TRHAR 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 with emphasis on energy efficiency and reliability.
The MSP430F2254TRHAR belongs to the MSP430F22x4 ultra-low-power microcontroller family, designed specifically for battery-operated measurement systems requiring precision analog integration, minimal active power, and rapid wake-up response.
FAQ
What is the maximum operating frequency of the MSP430F2254TRHAR?
The MSP430F2254TRHAR supports a maximum system clock (MCLK) frequency of 16 MHz using an external HF crystal or resonator. Its internal DCO is factory-calibrated to ±1% at 1 MHz and can be software-tuned up to 16 MHz, but timing-critical applications requiring guaranteed accuracy at higher frequencies should use an external crystal source.
Does the MSP430F2254TRHAR support in-system programming?
Yes, the MSP430F2254TRHAR supports in-system programming via its Spy-Bi-Wire interface using the TEST/SBWTCK and RST/NMI/SBWTDIO pins. No external programming voltage is required - programming and debugging operate from the standard 1.8–3.6 V supply, and the security fuse prevents unauthorized code readout after programming.
How many analog input channels does the ADC10 support on the MSP430F2254TRHAR?
The ADC10 on the MSP430F2254TRHAR supports 12 analog input channels (A0–A7, A12–A15), accessible through dedicated pins or multiplexed with timer and op-amp functions. Channel selection, sample-and-hold timing, and autoscan sequencing are fully configurable in hardware via the ADC10CTL0/1 registers.
Can both operational amplifiers on the MSP430F2254TRHAR be used simultaneously?
Yes, the MSP430F2254TRHAR includes two independent operational amplifiers (OA0 and OA1) that can operate concurrently. Each has dedicated input and output pins (e.g., OA0I0/OA0O on P2.0/P2.1; OA1I1/OA1O on P2.3), and their configurations (gain, feedback path, power mode) are controlled separately via the OA0CTL0/1 and OA1CTL0/1 registers.
What debug interface does the MSP430F2254TRHAR use, and is JTAG supported?
The MSP430F2254TRHAR uses the 2-wire Spy-Bi-Wire (SBW) interface for debugging and programming, accessed via pins TEST/SBWTCK (Pin 1) and RST/NMI/SBWTDIO (Pin 6). JTAG is not physically supported - SBW provides full emulation capability (breakpoints, watchpoints, memory access) with reduced pin count and lower PCB routing complexity than traditional JTAG.
MSP430F2254TRHAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 40-VFQFN Exposed Pad
- Series:
- MSP430F2xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- 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, PWM, WDT
- Number of I/O:
- 32
- Program Memory Size:
- 16KB (16K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2254TRHAR FAQ
1.How can I place an order for MSP430F2254TRHAR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2254TRHAR 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 MSP430F2254TRHAR reliable?
The price and inventory of MSP430F2254TRHAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2254TRHAR is usually 5 days.
3.What payment methods are accepted for MSP430F2254TRHAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2254TRHAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2254TRHAR?
MSP430F2254TRHAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2254TRHAR 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 MSP430F2254TRHAR?
For technical support, including MSP430F2254TRHAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2254TRHAR requirements.
6.How does Aetrix verify that MSP430F2254TRHAR is sourced from the original manufacturer or authorized distributors?
All MSP430F2254TRHAR 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 MSP430F2254TRHAR meets industry standards.
7.What is the process for return or replacement of MSP430F2254TRHAR?
All MSP430F2254TRHAR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2254TRHAR, 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 MSP430F2254TRHAR part is unused and in its original packaging.
Return procedure for MSP430F2254TRHAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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