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Texas Instruments MSP430F2012TPWR
- Part No.:
- MSP430F2012TPWR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430F2012TPWR.pdf
- Description:
- IC MCU 16BIT 2KB FLASH 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,415
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Product details
Overview
MSP430F2012TPWR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 2KB Flash + 256B RAM, 128B SRAM, a 10-bit 200-ksps ADC with internal reference and autoscan, and Universal Serial Interface (USI) supporting SPI and I2C. It operates from 1.8 V to 3.6 V and targets battery-powered sensor nodes and portable measurement systems.
For engineers reviewing the MSP430F2012TPWR datasheet, MSP430F2012TPWR pinout, MSP430F2012TPWR application, or MSP430F2012TPWR equivalent, key selection criteria include its 10-bit ADC resolution, USI communication capability, 14-pin TSSOP package, ultra-low standby current (0.5 µA), and Spy-Bi-Wire debug interface compatibility.
Technical Context
The MSP430F2012TPWR belongs to the MSP430F20x2 family and integrates a 16-bit RISC CPU with 62.5-ns instruction cycle time, five software-selectable low-power modes, and a digitally controlled oscillator (DCO) enabling wake-up from standby in under 1 µs. Its clock system supports ACLK (32 kHz crystal or internal LF oscillator), MCLK (system clock), and SMCLK (peripheral clock).
It features Timer_A2 with two capture/compare registers, brownout detection, on-chip emulation logic via Spy-Bi-Wire, and eight programmable I/O pins on Port P1 plus two on Port P2 - all with individually configurable pullup/pulldown resistors and edge-selectable interrupts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 general-purpose registers and constant generators for optimized code efficiency |
| Memory | 2KB Flash program memory + 256B information memory + 128B RAM - sufficient for compact firmware with calibration data storage |
| ADC | 10-bit, 200-ksps SAR ADC with 8-channel input mux, internal reference, sample-and-hold, and autoscan - enables multi-sensor analog acquisition without external components |
| Communication | Universal Serial Interface (USI) supporting hardware SPI and I2C - reduces firmware overhead for sensor interfacing and host communication |
| Power Modes | Active mode: 220 µA at 1 MHz/2.2 V; Standby: 0.5 µA; Off mode (RAM retention): 0.1 µA - extends battery life in intermittent-sampling applications |
| Clock System | Digital Controlled Oscillator (DCO) calibrated to ±1% at 1/8/12/16 MHz; supports 32-kHz crystal, internal VLO, or external digital clock - eliminates need for external high-frequency crystal |
| Operating Voltage | 1.8 V to 3.6 V - compatible with single-cell Li-ion, Li-polymer, or dual-cell alkaline battery systems |
Pinout & Package
Package: 14-pin TSSOP (PW), -40°C to 105°C temperature range, lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TACLK/ACLK/A0 | Port 1 bit 0 / Timer_A clock input / Auxiliary clock output / ADC channel 0 | Primary analog input for ADC; also serves as timer clock source and ACLK output - enables synchronous sampling and timing control |
| P1.1/TA0/A1 | Port 1 bit 1 / Timer_A CCI0A input / ADC channel 1 | Capture input for Timer_A and second ADC channel - supports pulse-width measurement and dual-sensor monitoring |
| P1.2/TA1/A2 | Port 1 bit 2 / Timer_A CCI1A input / ADC channel 2 | Capture input for second Timer_A channel and third ADC input - allows independent timing and analog sensing paths |
| P1.3/ADC10CLK/A3/VREF− | Port 1 bit 3 / ADC conversion clock / ADC channel 3 / Negative reference input | Configurable as ADC clock source or negative reference - supports differential measurement and flexible clocking schemes |
| P1.4/SMCLK/A4/VREF+ | Port 1 bit 4 / Sub-main clock output / ADC channel 4 / Positive reference input | Provides SMCLK to peripherals while serving as ADC input or reference - simplifies system clock distribution and reference routing |
| P1.5/TA0/A5/SCLK/TMS | Port 1 bit 5 / Timer_A CCI0A output / ADC channel 5 / USI clock / JTAG TMS | Multi-function pin supporting timer output, analog input, SPI/I2C clock, and debug - enables compact board layout with shared signal paths |
| P1.6/TA1/A6/SDO/SCL/TDI/TCLK | Port 1 bit 6 / Timer_A CCI1A output / ADC channel 6 / USI data out / I2C clock / JTAG TDI | Combines timer output, analog input, serial data, and debug signals - reduces pin count without sacrificing functionality |
| P1.7/A7/SDI/SDA/TDO/TDI | Port 1 bit 7 / ADC channel 7 / USI data in / I2C data / JTAG TDO/TDI | Final I/O pin supporting full ADC channel set, bidirectional serial data, and JTAG boundary scan - completes sensor-to-host signal chain |
| XIN/P2.6/TA1 | Crystal input / Port 2 bit 6 / Timer_A CCI1A input | Supports 32-kHz watch crystal for real-time clock functions while doubling as timer input - enables time-stamped sensor logging |
| XOUT/P2.7 | Crystal output / Port 2 bit 7 | Drives external 32-kHz crystal; can be used as general-purpose I/O when crystal not installed - provides flexibility in timing architecture |
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire data I/O | Single pin handles power-on reset, fault-triggered NMI, and bidirectional debug communication - minimizes external reset circuitry |
| TEST/SBWTCK | Test mode select / Spy-Bi-Wire clock input | Enables programming and debug via two-wire interface; dedicated clock line ensures reliable in-system programming |
| VCC | Supply voltage | 1.8–3.6 V main power rail - powers digital core, USI, and ADC digital section |
| VSS | Ground reference | Common return path for digital and analog sections - requires careful PCB grounding to maintain ADC accuracy |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.5 µA standby current enables >10-year battery life in coin-cell-powered wireless sensors |
| Integrated 10-bit ADC | Hardware autoscan across 8 channels with internal reference eliminates external precision voltage references and reduces BOM cost |
| Spy-Bi-Wire debug interface | Two-wire in-system programming and debugging using only RST/NMI and TEST pins - saves PCB space and simplifies production programming |
| USI module (SPI/I2C) | Hardware-accelerated serial communication offloads CPU during sensor data transfer - improves real-time responsiveness and lowers active-mode duty cycle |
| Digital Controlled Oscillator (DCO) | Factory-calibrated to ±1% at four frequencies (1/8/12/16 MHz) - removes need for external high-speed crystal while ensuring timing accuracy |
| Brownout protection | On-chip detector prevents erratic operation during supply ramp-up/down - eliminates need for external supervisor IC in cost-sensitive designs |
Applications
| Wireless Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and pressure data for periodic BLE transmission. IC Role / Device Role / Timing Role: Main controller executing sensor polling, ADC conversion, data preprocessing, and low-power radio handshaking. Use Value: 0.5 µA standby current and fast wake-up (<1 µs) minimize energy per measurement cycle; integrated USI simplifies connection to digital sensors. |
Use Scenario: Handheld pulse oximeter acquiring analog photodiode signals and driving OLED display with minimal power draw. IC Role / Device Role / Timing Role: Analog front-end controller managing LED timing, ADC sampling, signal averaging, and display refresh. Use Value: 10-bit ADC with internal reference ensures consistent measurement accuracy across battery voltage range; 128B RAM supports real-time filtering algorithms. |
| Smart Utility Meter Interface | Industrial Condition Monitor |
Use Scenario: Tamper-resistant sub-metering module capturing current/voltage waveforms and communicating via RS-485. IC Role / Device Role / Timing Role: Isolated data acquisition engine synchronizing sampling to AC line frequency using Timer_A and external zero-crossing input. Use Value: Eight ADC channels and autoscan enable simultaneous multi-phase measurements; brownout detection ensures reliable operation during grid transients. |
Use Scenario: Vibration sensor node mounted on motor housing, performing FFT analysis on accelerometer data and triggering alerts on threshold exceedance. IC Role / Device Role / Timing Role: Edge AI endpoint executing time-domain feature extraction and lightweight anomaly detection before transmitting results. Use Value: 2KB Flash accommodates firmware with DSP routines; low-power modes extend operational uptime between maintenance cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F2002TPWR | 1KB Flash, no ADC, comparator-only analog front-end | Limited to basic threshold detection; lacks 10-bit conversion capability | Select when only analog comparison is needed and firmware size is constrained |
| MSP430F2013TPWR | Same package and pinout; replaces 10-bit ADC with 16-bit sigma-delta SD16_A module | Higher-resolution, lower-noise measurements for precision instrumentation | Choose for applications requiring <1 mV measurement resolution, such as strain gauge or thermocouple interfaces |
Compared with MSP430F2002TPWR, the MSP430F2012TPWR adds essential 10-bit ADC functionality for analog digitization; compared with MSP430F2013TPWR, it trades resolution for faster conversion speed and lower power per sample - making it optimal for mid-accuracy, high-throughput sensor systems.
Availability
MSP430F2012TPWR is available at Aetrix Electronics and suitable for wireless sensor nodes, portable medical monitors, and industrial condition monitors requiring stable component supply and long-term manufacturability.
Supply support for MSP430F2012TPWR 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 specializing in analog and embedded processing technologies, with decades of expertise in ultra-low-power design.
The MSP430F20xx series was engineered for battery-operated measurement applications demanding extended runtime, integrated analog peripherals, and robust debug capability - directly addressing constraints in IoT edge nodes and portable instrumentation.
FAQ
What is the maximum operating frequency of the MSP430F2012TPWR?
The MSP430F2012TPWR features a factory-calibrated Digital Controlled Oscillator (DCO) supporting internal frequencies up to 16 MHz with ±1% accuracy. It does not require an external high-frequency crystal, though a 32-kHz crystal may be used for ACLK. The CPU executes instructions at 62.5-ns cycle time at 16 MHz, enabling responsive real-time control within its ultra-low-power envelope. MSP430F2012TPWR maintains full functionality across its 1.8–3.6 V supply range at this frequency.
Does the MSP430F2012TPWR support in-system programming?
Yes, the MSP430F2012TPWR supports in-system programming via its Spy-Bi-Wire interface using only two pins: RST/NMI/SBWTDIO and TEST/SBWTCK. This two-wire protocol enables full flash programming, erasure, and debugging without removing the device from the PCB. MSP430F2012TPWR does not require external programming voltage - all operations use the standard VCC supply, simplifying production test and field firmware updates.
How many ADC channels does the MSP430F2012TPWR have, and what is their resolution?
The MSP430F2012TPWR integrates a 10-bit successive-approximation register (SAR) ADC with eight input channels (A0–A7), hardware autoscan, internal reference, and sample-and-hold. It achieves 200-ksps throughput and supports single-ended or differential conversions depending on external configuration. MSP430F2012TPWR's ADC is fully functional across its 1.8–3.6 V operating range and includes built-in calibration for consistent performance over temperature and voltage.
What communication interfaces are available on the MSP430F2012TPWR?
The MSP430F2012TPWR includes a Universal Serial Interface (USI) module supporting both SPI and I2C protocols in hardware. This peripheral handles clock generation, data shifting, and start/stop condition detection autonomously, freeing the CPU for other tasks. MSP430F2012TPWR maps USI signals to P1.4–P1.7, enabling direct connection to digital sensors, EEPROMs, or displays without external level shifters or protocol translators.
What package type and temperature grade is the MSP430F2012TPWR supplied in?
The MSP430F2012TPWR is supplied in a 14-pin Plastic Thin Shrink Small-Outline Package (TSSOP, suffix 'PW') rated for operation from –40°C to +105°C. This industrial-grade temperature range supports deployment in harsh environments such as utility meters, automotive subsystems, and outdoor sensor enclosures. MSP430F2012TPWR is RoHS-compliant and lead-free, meeting modern environmental and manufacturing requirements.
MSP430F2012TPWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- MSP430F2xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2012TPWR FAQ
1.How can I place an order for MSP430F2012TPWR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2012TPWR 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 MSP430F2012TPWR reliable?
The price and inventory of MSP430F2012TPWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2012TPWR is usually 5 days.
3.What payment methods are accepted for MSP430F2012TPWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2012TPWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2012TPWR?
MSP430F2012TPWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2012TPWR 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 MSP430F2012TPWR?
For technical support, including MSP430F2012TPWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2012TPWR requirements.
6.How does Aetrix verify that MSP430F2012TPWR is sourced from the original manufacturer or authorized distributors?
All MSP430F2012TPWR 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 MSP430F2012TPWR meets industry standards.
7.What is the process for return or replacement of MSP430F2012TPWR?
All MSP430F2012TPWR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2012TPWR, 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 MSP430F2012TPWR part is unused and in its original packaging.
Return procedure for MSP430F2012TPWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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