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Texas Instruments MSP430F2252IDAR
- Part No.:
- MSP430F2252IDAR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 38-TSSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430F2252IDAR.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:5,674
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Product details
Overview
MSP430F2252IDAR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 16KB+256B flash, 512B RAM, 10-bit 200-ksps ADC with internal reference and autoscan, dual 16-bit timers (Timer_A3 and Timer_B3), and USCI modules supporting UART/LIN, IrDA, SPI, and I²C - deployed in battery-powered sensor nodes and portable measurement systems.
For engineers reviewing the MSP430F2252IDAR datasheet, MSP430F2252IDAR pinout, MSP430F2252IDAR application, or MSP430F2252IDAR equivalent, key selection criteria include its 1.8–3.6 V supply range, sub-1 µs wake-up from LPM4, integrated brownout detector, Spy-Bi-Wire debug interface, and TSSOP-38 package compatibility with space-constrained PCB layouts.
Technical Context
The MSP430F2252IDAR implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations. Its clock system integrates a digitally controlled oscillator (DCO) calibrated to ±1% across four frequencies up to 16 MHz, plus support for 32-kHz crystal and HF crystal/resonator inputs.
It features two independent USCI modules: USCI_A0 supports enhanced UART with auto-baudrate detection (LIN-compliant), IrDA encoding/decoding, and synchronous SPI; USCI_B0 supports SPI and I²C master/slave operation. The ADC10 includes a data transfer controller (DTC) for autonomous sampling-to-memory transfers without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and 62.5-ns instruction cycle at 16 MHz |
| Flash / RAM | 16KB + 256B flash memory with security fuse; 512B SRAM with retention in LPM3/LPM4 |
| ADC Performance | 10-bit, 200-ksps SAR ADC with internal reference, sample-and-hold, autoscan, and DTC-driven DMA-like transfers |
| Power Consumption | 270 µA active @ 1 MHz/2.2 V; 0.7 µA standby; 0.1 µA LPM4 (RAM retention) |
| Wake-up Time | Ultra-fast wake-up from LPM4 in <1 µs via DCO stabilization - critical for duty-cycled sensing |
| Operating Voltage | 1.8 V to 3.6 V - enables direct use with single-cell Li-ion, LiFePO₄, or two-cell alkaline batteries |
| Debug Interface | Spy-Bi-Wire (2-wire JTAG) with embedded emulation module (EEM) - minimal PCB footprint for production programming |
Pinout & Package
Package: 38-pin Thin Shrink Small-Outline Package (TSSOP-DA), 9.7 mm × 4.4 mm, 0.65 mm pitch, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 / TEST/SBWTCK | Spy-Bi-Wire test clock input | Enables programming and debugging using TI's MSP-FET430UIF with only two pins (TCK + SBWTDIO) |
| 6 / RST/NMI/SBWTDIO | Reset/nonmaskable interrupt/test data I/O | Single-pin reset initiation, NMI event handling, and bidirectional debug data channel |
| 7–10, 31–38 / P1.x–P2.x | Port 1 & 2 general-purpose I/O | 16 GPIOs with programmable pull-up/down, interrupt capability, and peripheral multiplexing (e.g., TA0–TA2, ACLK, SMCLK) |
| 11–14, 25–28 / P3.x–P4.x | Port 3 & 4 general-purpose I/O | 16 additional GPIOs supporting USCI_A0/USCI_B0 signals, TB0–TB2, ADC10 analog inputs A5–A7 and A12–A15 |
| 22 / AVSS | Analog ground reference | Separate analog return path minimizes noise coupling into ADC and op-amp circuits |
| 23 / AVCC | Analog supply voltage | Dedicated 1.8–3.6 V analog rail decoupled independently for stable ADC reference and internal VREF generation |
| 30 / P2.4/TA2/A4/VREF+/VeREF+ | ADC reference voltage output/input | Configurable as internal 1.5 V reference source or external reference input - enables ratiometric sensor measurements |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Five software-selectable low-power modes (LPM0–LPM4); LPM4 draws only 0.1 µA with full RAM retention - extends coin-cell life to years |
| Integrated analog subsystem | 10-bit ADC10 with 12-channel analog input mux, internal reference, and DTC eliminates need for external DMA controller in data logging |
| Dual 16-bit timer peripherals | Timer_A3 (3 capture/compare registers) and Timer_B3 (3 capture/compare + shadow registers) support precise PWM, input capture, and quadrature decoding |
| Flexible communication interfaces | USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C) enable concurrent wired sensor bus (I²C) and host telemetry (UART) without external transceivers |
| On-chip clock system | Calibrated DCO with four factory-trimmed frequencies (±1%), plus support for 32-kHz crystal and up to 16-MHz HF crystal - no external clock IC required |
Applications
| Wireless Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered temperature/humidity node transmitting data via UART-to-LoRa module every 30 seconds. IC Role / Device Role / Timing Role: MSP430F2252IDAR performs analog sensor signal acquisition, digital processing, low-duty-cycle sleep/wake scheduling, and UART framing. Use Value: Sub-1 µs wake-up and 0.1 µA LPM4 current reduce average power to <2 µA - enabling >5-year operation on CR2032. |
Use Scenario: Handheld pulse oximeter acquiring photodiode signals and driving OLED display via SPI. IC Role / Device Role / Timing Role: MSP430F2252IDAR executes synchronized ADC sampling of red/IR channels, calculates SpO₂, and manages display refresh timing. Use Value: Integrated 10-bit ADC with DTC offloads CPU during continuous sampling, freeing cycles for real-time saturation calculation. |
| Industrial Data Logger | Smart Meter Sensor Interface |
Use Scenario: DIN-rail mounted logger recording thermocouple and pressure transducer outputs over 24-hour cycles. IC Role / Device Role / Timing Role: MSP430F2252IDAR conditions analog inputs, applies cold-junction compensation, stores timestamped values in flash, and communicates via RS-485 (via external transceiver). Use Value: Brownout detector and programmable code protection prevent corruption during brownout events common in industrial power environments. |
Use Scenario: Electricity meter front-end capturing current transformer (CT) and shunt-based voltage waveforms for harmonic analysis. IC Role / Device Role / Timing Role: MSP430F2252IDAR samples dual ADC channels synchronously at 10 ksps, computes RMS and THD, and reports via I²C to main MCU. Use Value: 12-channel ADC input mux and autoscan mode allow seamless switching between CT and shunt paths without firmware overhead. |
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 |
|---|---|---|---|
| MSP430F2272IDAR | 32KB+256B flash, 1KB RAM - double flash/RAM capacity; identical peripherals and pinout | Required when firmware exceeds 16KB or extended data buffering needed | Select if future firmware growth or larger calibration tables are anticipated; same PCB layout and toolchain |
| MSP430G2553IPW28 | 28-pin TSSOP, 16KB flash, 512B RAM, no USCI_B0 (I²C), no Timer_B - reduced peripheral set | Suitable for simpler UART-only or SPI-only designs with fewer analog channels | Choose for cost-sensitive, lower-I/O-count applications where I²C and second timer are unnecessary |
Compared with MSP430F2272IDAR, the MSP430F2252IDAR trades flash/RAM headroom for identical low-power performance and peripheral richness in a pin-compatible footprint; versus MSP430G2553IPW28, it adds I²C, Timer_B, and 12 ADC channels - enabling more complex sensor fusion at no increase in active current.
Availability
MSP430F2252IDAR is available at Aetrix Electronics and suitable for wireless sensor nodes, portable medical monitors, and industrial data loggers requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MSP430F2252IDAR 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 system integration.
The MSP430F2252IDAR belongs to the MSP430F2xx ultra-low-power microcontroller family, designed specifically for battery-operated measurement and sensing applications demanding nanowatt-level active and standby power.
FAQ
What is the maximum operating frequency of the MSP430F2252IDAR?
The MSP430F2252IDAR supports a maximum system clock (MCLK) frequency of 16 MHz, achievable using the internal digitally controlled oscillator (DCO) with factory-calibrated frequencies or an external high-frequency crystal/resonator up to 16 MHz. This allows execution of instructions at 16 million per second with 62.5-ns cycle time, while maintaining ultra-low power consumption in active mode.
Does the MSP430F2252IDAR include hardware debug support?
Yes, the MSP430F2252IDAR integrates an Embedded Emulation Module (EEM) and supports Spy-Bi-Wire (2-wire JTAG) debugging via pins TEST/SBWTCK (Pin 1) and RST/NMI/SBWTDIO (Pin 6). This enables full-speed debugging, flash programming, and breakpoint execution using TI's MSP-FET430UIF or compatible tools - no external debug header required.
How many analog input channels does the ADC10 support on the MSP430F2252IDAR?
The ADC10 on the MSP430F2252IDAR supports 12 analog input channels: A0–A7 (P2.0, P2.1, P2.2, P2.3, P2.4, P3.6, P3.7) and A12–A15 (P4.3, P4.4, P4.5, P4.6). These are accessible through the integrated analog input multiplexer and support autoscan mode for sequential conversion without CPU intervention.
Is the MSP430F2252IDAR pin-compatible with other devices in the MSP430F22x2 family?
Yes, the MSP430F2252IDAR shares identical pinout and package (TSSOP-38, DA) with all MSP430F22x2 variants including MSP430F2232IDAR and MSP430F2272IDAR. Peripheral mapping, GPIO functions, and power/ground pin locations are fully consistent - enabling drop-in replacement within the same flash/RAM configuration tier.
What low-power modes are available on the MSP430F2252IDAR?
The MSP430F2252IDAR provides six operating modes: Active Mode (AM) and five low-power modes (LPM0–LPM4). LPM4 disables all clocks and the crystal oscillator, drawing only 0.1 µA while retaining RAM contents - ideal for long-duration sleep between sensor readings. Wake-up from LPM4 occurs in under 1 µs via the stabilized DCO.
MSP430F2252IDAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 38-TSSOP (0.240", 6.10mm Width)
- Series:
- MSP430F2xx
- 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, 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2252IDAR FAQ
1.How can I place an order for MSP430F2252IDAR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2252IDAR 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 MSP430F2252IDAR reliable?
The price and inventory of MSP430F2252IDAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2252IDAR is usually 5 days.
3.What payment methods are accepted for MSP430F2252IDAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2252IDAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2252IDAR?
MSP430F2252IDAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2252IDAR 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 MSP430F2252IDAR?
For technical support, including MSP430F2252IDAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2252IDAR requirements.
6.How does Aetrix verify that MSP430F2252IDAR is sourced from the original manufacturer or authorized distributors?
All MSP430F2252IDAR 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 MSP430F2252IDAR meets industry standards.
7.What is the process for return or replacement of MSP430F2252IDAR?
All MSP430F2252IDAR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2252IDAR, 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 MSP430F2252IDAR part is unused and in its original packaging.
Return procedure for MSP430F2252IDAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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