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Texas Instruments MSP430F2012IRSAT
- Part No.:
- MSP430F2012IRSAT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 16-VQFN Exposed Pad
- Datasheet:
-
MSP430F2012IRSAT.pdf
- Description:
- IC MCU 16BIT 2KB FLASH 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:597
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Product details
Overview
MSP430F2012IRSAT from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 2KB+256B flash memory, 128B RAM, a 16-bit Timer_A with two capture/compare registers, and a 10-bit 200-ksps ADC with internal reference and autoscan-designed for battery-powered sensor nodes and portable measurement systems.
For engineers reviewing the MSP430F2012IRSAT datasheet, MSP430F2012IRSAT pinout, MSP430F2012IRSAT application, or MSP430F2012IRSAT equivalent, key selection criteria include its 1.8–3.6 V supply range, sub-1 µs wake-up from standby mode, Spy-Bi-Wire on-chip emulation, and integrated USI supporting SPI/I²C for compact sensor interface designs.
Technical Context
The MSP430F2012IRSAT implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations at up to 16 MHz via its digitally controlled oscillator (DCO). Its basic clock module delivers ACLK, MCLK, and SMCLK from internal LF/DCO sources or external 32-kHz crystal.
It integrates a 10-bit successive-approximation ADC with eight analog inputs, internal 1.5-V reference, sample-and-hold, and data transfer controller (DTC), alongside a universal serial interface (USI) configurable for SPI or I²C communication-both directly supported in hardware without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 general-purpose registers and 62.5-ns instruction cycle time at 16 MHz |
| Flash / RAM | 2KB + 256B flash program memory and 128B RAM-supports in-system programming via Spy-Bi-Wire |
| ADC Resolution | 10-bit SAR ADC with 200 kSPS sampling rate, internal reference, and autoscan across 8 channels |
| Power Modes | Five low-power modes including LPM4 (0.1 µA RAM retention) and ultra-fast wake-up (<1 µs from LPM3) |
| Supply Range | 1.8 V to 3.6 V operation-enables direct use with single-cell Li-ion or dual-cell alkaline batteries |
| Communication | USI module supporting hardware SPI and I²C protocols-reduces firmware overhead for sensor data aggregation |
| Package | 16-pin QFN (RSA) with 4 × 4 mm footprint and exposed thermal pad-optimized for space-constrained PCB layouts |
Pinout & Package
Package: 16-pin QFN (RSA), 4 mm × 4 mm, 0.65 mm pitch, with exposed thermal pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Digital supply voltage input | Primary power rail for digital core and I/O; must be decoupled near package |
| VSS | Digital ground reference | Return path for digital circuitry; tied to QFN thermal pad per TI recommendation |
| P1.0/TACLK/ACLK/A0 | Port 1 bit 0 with multiple functions | Configurable as timer clock input, auxiliary clock output, or ADC channel 0 input |
| P1.7/A7/SDI/SDA/TDO/TDI | Port 1 bit 7 multifunction terminal | Supports ADC input A7, SPI data in, I²C data line, or JTAG test data I/O |
| RST/NMI/SBWTDIO | Reset/non-maskable interrupt/test I/O | Active-low reset input; also serves as bidirectional Spy-Bi-Wire data line during programming |
| TEST/SBWTCK | Spy-Bi-Wire test clock input | Enables debug and programming using 2-wire interface-no external JTAG header required |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Active mode current of 220 µA at 1 MHz/2.2 V; standby mode draws only 0.5 µA |
| Integrated analog subsystem | 10-bit ADC with internal 1.5-V reference, sample-and-hold, and autoscan-eliminates external reference and sequencing logic |
| Hardware USI peripheral | Dedicated SPI/I²C engine with shift register and control logic-offloads CPU for sensor bus management |
| Fast wake-up capability | Sub-1 µs transition from LPM3 to active mode using DCO-critical for duty-cycled sensor polling |
| On-chip emulation | Spy-Bi-Wire interface enables full debugging and flash programming through two pins-reduces board footprint and BOM count |
Applications
| Wireless Sensor Node | Portable Data Logger |
|---|---|
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and light data at 10-second intervals and transmitting via RF link. IC Role / Device Role / Timing Role: Central MCU managing ADC sampling, USI-driven sensor reads, RF interface timing, and ultra-low-power sleep/wake scheduling. Use Value: 0.5 µA standby current extends CR2032 battery life beyond 5 years; 2KB flash accommodates firmware + calibration tables. | Use Scenario: Handheld device logging voltage/current waveforms from industrial equipment using external signal conditioning. IC Role / Device Role / Timing Role: ADC controller with autoscan and DTC, synchronizing 10-bit sampling at 200 kSPS while buffering results to RAM before SD card write. Use Value: Internal 1.5-V reference ensures stable conversion accuracy across 1.8–3.6 V supply range; no external reference IC needed. |
| Smart Meter Interface | Low-Power Industrial Controller |
Use Scenario: Sub-metering module interfacing with pulse-output utility meters and communicating via I²C to host MCU. IC Role / Device Role / Timing Role: Pulse counter and I²C slave, using Timer_A capture mode to measure meter pulses and USI to relay counts to master. Use Value: Hardware capture eliminates CPU polling; USI handles I²C protocol timing-freeing CPU for other tasks. | Use Scenario: Standalone PLC input module converting 4–20 mA sensor signals to digital values and reporting over SPI to central controller. IC Role / Device Role / Timing Role: Signal acquisition node with ADC input scaling, digital filtering in firmware, and SPI master driving isolated transceiver. Use Value: 8-channel ADC autoscan supports up to 8 analog inputs; 128B RAM sufficient for real-time filter state storage. |
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 |
|---|---|---|---|
| MSP430F2002IRSAT | 1KB flash, no ADC-only comparator_A+ and Timer_A; lacks USI and 10-bit ADC | Suitable for simpler threshold-detection tasks without analog digitization | Select when cost-sensitive designs require only basic timing and analog comparison-not full data acquisition |
| MSP430F2013IRSAT | Same package and pinout; replaces 10-bit ADC with 16-bit sigma-delta SD16_A converter | Better suited for high-resolution sensor measurements (e.g., strain gauges, thermopiles) requiring >12-bit precision | Choose for applications demanding higher resolution and differential input support-requires different firmware ADC configuration |
Compared with MSP430F2002IRSAT, the MSP430F2012IRSAT adds essential data acquisition capability via its 10-bit ADC and USI; versus MSP430F2013IRSAT, it trades resolution for faster sampling and lower code footprint-making it optimal for mid-speed, mid-accuracy sensor edge nodes.
Availability
MSP430F2012IRSAT is available at Aetrix Electronics and suitable for wireless sensor nodes, portable data loggers, and smart meter interfaces requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for MSP430F2012IRSAT 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 MSP430F20xx series targets ultra-low-power portable measurement applications-designed around rapid wake-up, integrated peripherals, and minimal external components to extend battery life in sensor-edge devices.
FAQ
What is the maximum operating frequency of the MSP430F2012IRSAT?
The MSP430F2012IRSAT supports a maximum system clock (MCLK) frequency of 16 MHz, achieved using the factory-calibrated digitally controlled oscillator (DCO) with four internal frequency settings accurate to ±1%. This allows deterministic real-time execution while maintaining ultra-low power consumption in active mode.
Does the MSP430F2012IRSAT support in-system programming?
Yes, the MSP430F2012IRSAT supports in-system programming via its Spy-Bi-Wire interface using only two pins (TEST/SBWTCK and RST/NMI/SBWTDIO). No external programming voltage is required-the device can be programmed and debugged directly on the target board using standard TI tools like MSP-FET or LaunchPad debuggers.
What ADC reference options are available on the MSP430F2012IRSAT?
The MSP430F2012IRSAT provides an internal 1.5-V reference for its 10-bit ADC, selectable via software. It does not support external reference inputs-unlike later MSP430 generations-so all conversions are referenced to this fixed internal voltage, ensuring consistent accuracy across the 1.8–3.6 V supply range without external components.
Can the MSP430F2012IRSAT operate from a single 1.8-V supply?
Yes, the MSP430F2012IRSAT is fully specified to operate across 1.8 V to 3.6 V. At 1.8 V, it maintains full functionality-including 10-bit ADC operation, USI communication, and Timer_A-while drawing only 220 µA in active mode at 1 MHz, making it ideal for single-cell lithium or coin-cell powered applications.
Is the MSP430F2012IRSAT pin-compatible with other devices in the MSP430F20xx family?
Yes, the MSP430F2012IRSAT in the 16-pin QFN (RSA) package shares identical pinout and electrical characteristics with other MSP430F20xx variants in the same package-including MSP430F2001IRSAT, MSP430F2011IRSAT, and MSP430F2013IRSAT-enabling hardware reuse across designs with different memory or peripheral configurations.
MSP430F2012IRSAT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 16-VQFN Exposed Pad
- Series:
- MSP430F2xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, SPI
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 10
- Program Memory Size:
- 2KB (2K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2012IRSAT FAQ
1.How can I place an order for MSP430F2012IRSAT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2012IRSAT 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 MSP430F2012IRSAT reliable?
The price and inventory of MSP430F2012IRSAT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2012IRSAT is usually 5 days.
3.What payment methods are accepted for MSP430F2012IRSAT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2012IRSAT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2012IRSAT?
MSP430F2012IRSAT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2012IRSAT 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 MSP430F2012IRSAT?
For technical support, including MSP430F2012IRSAT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2012IRSAT requirements.
6.How does Aetrix verify that MSP430F2012IRSAT is sourced from the original manufacturer or authorized distributors?
All MSP430F2012IRSAT 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 MSP430F2012IRSAT meets industry standards.
7.What is the process for return or replacement of MSP430F2012IRSAT?
All MSP430F2012IRSAT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2012IRSAT, 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 MSP430F2012IRSAT part is unused and in its original packaging.
Return procedure for MSP430F2012IRSAT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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