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Texas Instruments MSP430F2012TN
- Part No.:
- MSP430F2012TN
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
MSP430F2012TN.pdf
- Description:
- IC MCU 16BIT 2KB FLASH 14DIP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSP430F2012TN 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 MSP430F2012TN datasheet, MSP430F2012TN pinout, MSP430F2012TN application, or MSP430F2012TN equivalent, key selection criteria include its -40°C to 105°C temperature grade, TSSOP-14 (PW) / PDIP-14 (N) / QFN-16 (RSA) package options, Spy-Bi-Wire debug interface, and integrated USI supporting SPI/I²C for sensor interfacing.
Technical Context
The MSP430F2012TN implements a 16-bit RISC CPU with 62.5-ns instruction cycle time, digitally controlled oscillator (DCO) calibrated to ±1% at 1–16 MHz, and five software-selectable low-power modes-including LPM4 with 0.1 µA off-mode current and sub-1-µs wake-up. Its clock system sources ACLK from internal LF oscillator or 32-kHz crystal, MCLK from DCO, and SMCLK from DCO or external source.
It integrates a 10-bit successive-approximation ADC (MSP430F20x2 family) with eight analog inputs, internal 1.5-V reference, sample-and-hold, and data transfer controller (DTC), alongside Universal Serial Interface (USI) configurable for 3-wire SPI or I²C master/slave operation-enabling direct connection to digital sensors without external protocol logic.
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 density and execution efficiency |
| Flash / RAM | 2KB + 256B flash program memory and 128B RAM-supports in-system programming via Spy-Bi-Wire without external voltage |
| ADC Resolution & Speed | 10-bit SAR ADC with 200 kSPS sampling rate and autoscan across 8 channels-enables continuous multi-sensor monitoring with minimal CPU overhead |
| Power Consumption | Active mode: 220 µA at 1 MHz/2.2 V; Standby: 0.5 µA; Off mode (RAM retention): 0.1 µA-extends coin-cell battery life to years in intermittent-sensing applications |
| Operating Temperature | -40°C to +105°C-qualified for industrial and automotive under-hood environments requiring extended thermal reliability |
| Debug Interface | Spy-Bi-Wire (2-pin JTAG subset) with on-chip emulation logic-reduces PCB footprint and enables field firmware updates using only TEST/SBWTCK pins |
| Package Options | 14-pin TSSOP (PW), 14-pin PDIP (N), and 16-pin QFN (RSA)-all share identical pinout mapping for drop-in compatibility across form factors |
Pinout & Package
Package: 14-pin Plastic Dual Inline Package (PDIP-N), 14-pin Thin Shrink Small Outline Package (TSSOP-PW), or 16-pin Quad Flat No-lead (QFN-RSA). All variants use identical signal mapping per pin number; RSA adds dedicated AVCC/AVSS/DVCC/DVSS pins for analog/digital supply separation.
| 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 timer clock source or low-frequency system clock; also serves as first analog input for ADC-enables synchronous timing and sensing |
| P1.1/TA0/A1 | Port 1 bit 1 / Timer_A capture/compare 0 / ADC channel 1 | Configurable as timer event input or analog sensor input-supports edge-triggered capture or precision voltage measurement |
| P1.2/TA1/A2 | Port 1 bit 2 / Timer_A capture/compare 1 / ADC channel 2 | Dual-role pin enabling PWM generation or second analog input-facilitates motor control feedback or dual-sensor acquisition |
| P1.3/ADC10CLK/A3/VREF− | Port 1 bit 3 / ADC conversion clock / ADC channel 3 / Negative reference input | Provides external ADC clocking or sets differential reference point-critical for ratiometric sensor measurements and noise rejection |
| P1.4/SMCLK/A4/VREF+ | Port 1 bit 4 / Sub-main clock output / ADC channel 4 / Positive reference input | Drives peripheral clocks while serving as ADC reference or analog input-simplifies single-supply sensor biasing and timing distribution |
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire data I/O | Multi-function pin enabling hardware reset, critical fault handling, and bidirectional debug communication over one wire |
| TEST/SBWTCK | Test mode select / Spy-Bi-Wire clock input | Activates debug interface and synchronizes programming commands-requires no external programmer hardware beyond basic level-shifting |
| VCC / VSS | Supply voltage / Ground reference | Single 1.8–3.6 V supply domain; supports direct Li-ion or coin-cell operation without regulators in space-constrained designs |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.1 µA off-mode current with full RAM retention enables multi-year battery life in wireless sensor endpoints |
| Integrated 10-bit ADC | 200 kSPS sampling with internal reference, sample-and-hold, and autoscan eliminates need for external ADC and reduces BOM count |
| Universal Serial Interface (USI) | Hardware-configurable SPI or I²C interface allows direct connection to digital accelerometers, temperature sensors, or EEPROMs without firmware bit-banging |
| Five power-saving modes | LPM0–LPM4 provide granular control over clock domains and peripheral activity-optimizing energy per computation cycle in duty-cycled applications |
| On-chip Spy-Bi-Wire debug | 2-pin interface supports full flash programming, breakpoint debugging, and real-time register inspection-reducing development time and test fixture complexity |
| Digital I/O with programmable resistors | All 10 I/O pins (P1.0–P1.7, P2.6, P2.7) support individually configurable pullup/pulldown-eliminates external biasing components for pushbutton or switch interfaces |
Applications
| Wireless Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and light data every 30 seconds, then transmitting via BLE module. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, USI-based sensor reads, low-power sleep scheduling, and SPI communication with radio IC. Use Value: 0.5 µA standby current extends CR2032 battery life beyond 2 years; integrated ADC and USI reduce component count by 3–4 ICs. |
Use Scenario: Handheld pulse oximeter acquiring analog photodiode signals, computing SpO₂, and displaying results on segmented LCD. IC Role / Device Role / Timing Role: Signal acquisition MCU performing synchronized dual-channel 10-bit ADC sampling, digital filtering, and LCD segment drive via GPIO. Use Value: Internal 1.5-V ADC reference ensures stable ratiometric measurements across battery discharge; 16-bit Timer_A generates precise LED drive timing. |
| Industrial Process Controller | Smart Meter Front-End |
Use Scenario: DIN-rail mounted temperature controller reading RTD inputs, executing PID algorithm, and driving SSR outputs in HVAC systems. IC Role / Device Role / Timing Role: Real-time control unit executing closed-loop regulation with deterministic 1-ms loop timing using Timer_A interrupts. Use Value: -40°C to +105°C rating ensures reliable operation in unconditioned enclosures; brownout detector prevents erratic behavior during line sags. |
Use Scenario: Electricity meter measuring voltage/current waveforms, calculating RMS, power factor, and kWh using metrology-grade sampling. IC Role / Device Role / Timing Role: Metrology co-processor acquiring synchronized analog inputs via ADC autoscan and timestamping samples using ACLK from 32.768-kHz crystal. Use Value: 200 kSPS ADC supports >50 kHz harmonic analysis; internal reference stability (<±0.5%) meets IEC 62053 accuracy requirements. |
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 |
|---|---|---|---|
| MSP430F2002TN | 1KB flash, no ADC, comparator-only analog front-end | Suitable for simple threshold-detection tasks without digitization | Select when cost sensitivity outweighs need for ADC; retains same pinout and peripherals except ADC/USI |
| MSP430F2013TN | Same package and pinout, but features 16-bit sigma-delta ADC instead of 10-bit SAR | Better suited for high-resolution DC measurements (e.g., strain gauges, thermopiles) | Choose for <100-µV noise-sensitive applications; requires different ADC driver code due to SD16_A module architecture |
Compared with MSP430F2002TN and MSP430F2013TN, the MSP430F2012TN uniquely balances 10-bit ADC speed (200 kSPS), integrated USI, and 2KB flash for mid-complexity sensor processing-making it optimal for applications needing both analog acquisition and digital communication without overspecifying resolution or memory.
Availability
MSP430F2012TN is available at Aetrix Electronics and suitable for wireless sensor nodes, portable medical monitors, and industrial process controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MSP430F2012TN 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, embedded processing, and connectivity technologies with decades of expertise in ultra-low-power design.
The MSP430F20xx series was engineered specifically for battery-operated measurement applications-emphasizing nanowatt operation, integrated analog peripherals, and robust debug capability in minimal-footprint packages.
FAQ
What is the maximum operating frequency of the MSP430F2012TN?
The MSP430F2012TN supports a digitally controlled oscillator (DCO) calibrated to operate up to 16 MHz with ±1% accuracy across temperature and voltage. This maximum frequency applies to the MCLK domain driving the CPU and Timer_A; actual sustained performance depends on supply voltage (1.8–3.6 V) and ambient temperature (-40°C to +105°C).
Does the MSP430F2012TN support in-system programming?
Yes, the MSP430F2012TN supports full 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 compatible third-party debuggers.
How many analog input channels does the MSP430F2012TN ADC support?
The MSP430F2012TN integrates a 10-bit successive-approximation ADC with eight selectable analog input channels (A0–A7), accessible through P1.0–P1.7. The ADC supports autoscan mode to sequentially convert all enabled channels without CPU intervention, and includes an internal 1.5-V reference for ratiometric measurements.
What debug interface does the MSP430F2012TN use?
The MSP430F2012TN uses the Spy-Bi-Wire (SBW) interface-a two-pin subset of JTAG-for on-chip emulation, flash programming, and real-time debugging. It requires only TEST/SBWTCK and RST/NMI/SBWTDIO pins, enabling compact debug headers and field firmware updates without dedicated programming connectors.
Is the MSP430F2012TN pin-compatible with other MSP430F20xx devices?
Yes, the MSP430F2012TN shares identical pin assignments with all MSP430F20xx family members in the same package variant (e.g., PW, N, or RSA). For example, MSP430F2012TN in TSSOP-14 maps identically to MSP430F2002TN and MSP430F2013TN-allowing hardware reuse across different memory, ADC, or analog feature sets.
MSP430F2012TN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Series:
- MSP430F2xx
- Packaging:
- Bulk
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
MSP430F2012TN FAQ
1.How can I place an order for MSP430F2012TN through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2012TN 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 MSP430F2012TN reliable?
The price and inventory of MSP430F2012TN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2012TN is usually 5 days.
3.What payment methods are accepted for MSP430F2012TN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2012TN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2012TN?
MSP430F2012TN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2012TN 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 MSP430F2012TN?
For technical support, including MSP430F2012TN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2012TN requirements.
6.How does Aetrix verify that MSP430F2012TN is sourced from the original manufacturer or authorized distributors?
All MSP430F2012TN 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 MSP430F2012TN meets industry standards.
7.What is the process for return or replacement of MSP430F2012TN?
All MSP430F2012TN units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2012TN, 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 MSP430F2012TN part is unused and in its original packaging.
Return procedure for MSP430F2012TN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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