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Texas Instruments MSP430F2003TN
- Part No.:
- MSP430F2003TN
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
MSP430F2003TN.pdf
- Description:
- IC MCU 16BIT 1KB FLASH 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,319
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Product details
Overview
MSP430F2003TN from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring a 16-bit Sigma-Delta A/D converter (SD16_A), Universal Serial Interface (USI) supporting SPI and I2C, 1KB + 256B flash memory, 128B RAM, and operation across 1.8 V–3.6 V supply. It targets battery-powered sensor front ends requiring high-precision analog measurement and serial communication.
For engineers reviewing the MSP430F2003TN datasheet, MSP430F2003TN pinout, MSP430F2003TN application, or MSP430F2003TN equivalent, key selection criteria include its 16-bit SD16_A with differential PGA inputs, Spy-Bi-Wire debug interface, -40°C to 105°C temperature grade, TSSOP-14 package, and integrated low-power timing architecture with sub-1 µs wake-up.
Technical Context
The MSP430F2003TN 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% at 1 MHz, 8 MHz, 12 MHz, and 16 MHz, plus support for 32-kHz crystal and internal low-frequency oscillators.
It features Timer_A2 with two capture/compare registers, brownout detection, on-chip emulation logic via Spy-Bi-Wire, and five software-selectable low-power modes-including LPM4 with 0.1 µA RAM retention-optimized for extended battery life in portable measurement systems.
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 at 16 MHz |
| Flash / RAM | 1KB + 256B flash memory for program storage; 128B RAM for data retention in LPM4 mode |
| A/D Converter | 16-bit Sigma-Delta (SD16_A) with differential PGA inputs, internal reference, and up to 16x oversampling |
| Serial Interface | Universal Serial Interface (USI) supporting hardware SPI and I²C protocols for sensor or host communication |
| Power Consumption | Active mode: 220 µA at 1 MHz/2.2 V; Standby: 0.5 µA; Off mode (RAM retention): 0.1 µA |
| Wake-up Time | Ultra-fast wake-up from standby mode in less than 1 µs via DCO stabilization |
| Operating Temp | -40°C to +105°C industrial temperature range, validated for harsh environmental deployment |
Pinout & Package
Package: 14-pin Plastic Small-Outline Thin (TSSOP), lead-free, RoHS-compliant, body size 5.0 mm × 4.4 mm × 1.2 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TACLK/ACLK/A0+ | Port 1 bit 0 / Timer_A clock input / Auxiliary clock output / SD16_A positive input A0 | Primary analog input channel for differential measurement; also serves as system clock source or timer trigger |
| P1.1/TA0/A0−/A4+ | Port 1 bit 1 / Timer_A capture/compare 0 / SD16_A negative input A0 / positive input A4 | Enables dual-channel differential acquisition or multiplexed analog sensing without external mux |
| P1.2/TA1/A1+/A4− | Port 1 bit 2 / Timer_A capture/compare 1 / SD16_A positive input A1 / negative input A4 | Supports simultaneous differential measurements across multiple sensor pairs |
| P1.3/VREF/A1− | Port 1 bit 3 / External reference voltage input / SD16_A negative input A1 | Accepts external mid-voltage reference or provides internal VREF for ratiometric ADC scaling |
| P1.4/SMCLK/A2+/TCK | Port 1 bit 4 / Sub-main clock output / SD16_A positive input A2 / JTAG test clock | Shared pin enables clock distribution to peripherals while retaining analog input capability |
| P1.5/TA0/A2−/SCLK/TMS | Port 1 bit 5 / Timer_A capture/compare 0 / SD16_A negative input A2 / USI clock / JTAG mode select | Combines timing, analog, and debug functions-requires careful pin assignment in layout |
| P1.6/TA1/A3+/SDO/SCL/TDI/TCLK | Port 1 bit 6 / Timer_A capture/compare 1 / SD16_A positive input A3 / USI data out / I²C clock / JTAG data in | Multi-function pin optimized for sensor interface and in-system programming |
| P1.7/A3−/SDI/SDA/TDO/TDI | Port 1 bit 7 / SD16_A negative input A3 / USI data in / I²C data / JTAG data out/in | Enables full-duplex serial communication and bidirectional debug access on single pin |
| XIN/P2.6/TA1 | Clock input / Port 2 bit 6 / Timer_A capture/compare 1 | Supports external 32-kHz crystal for precise real-time clock or low-power timing |
| XOUT/P2.7 | Clock output / Port 2 bit 7 | Drives crystal oscillator; must be left unconnected if using internal DCO only |
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire data I/O | Single-pin debug interface reduces PCB footprint and eliminates need for full JTAG header |
| TEST/SBWTCK | Spy-Bi-Wire test clock input | Enables low-pin-count programming and debugging using TI's MSP-FET toolset |
| VCC | Supply voltage input | 1.8 V–3.6 V operation supports coin-cell and Li-ion battery systems directly |
| VSS | Ground reference | Digital ground common to all I/O and core logic; requires low-impedance connection to AVSS for precision ADC |
Key Features
| Feature | Design Value |
|---|---|
| 16-bit Sigma-Delta A/D Converter | Provides 16-bit resolution with differential PGA inputs, enabling direct high-accuracy thermocouple or bridge sensor interfacing without external signal conditioning |
| Universal Serial Interface (USI) | Hardware SPI/I²C engine offloads CPU during sensor data transfer, reducing active time and power consumption in polling-based architectures |
| Spy-Bi-Wire Debug | Two-wire (SBWTDIO + SBWTCK) in-system programming and debugging minimizes board space and eliminates dedicated JTAG connector cost |
| Five Low-Power Modes | LPM4 draws only 0.1 µA with RAM retention, allowing years of operation on a CR2032 coin cell in intermittent-sensing applications |
| Digital Controlled Oscillator (DCO) | Factory-calibrated DCO achieves ±1% accuracy at 1/8/12/16 MHz, eliminating external crystal for cost-sensitive designs where timing precision <±2% suffices |
| On-Chip Brownout Detection | Integrated POR/BOR circuit ensures reliable reset behavior during battery voltage sag, preventing erratic firmware execution in energy-harvesting systems |
Applications
| Wireless Sensor Node Front End | Portable Medical Diagnostic Device |
|---|---|
Use Scenario: Battery-powered node measuring temperature, humidity, and pressure before transmitting via BLE or Sub-GHz RF IC. IC Role / Device Role / Timing Role: Primary MCU handling analog acquisition, digital signal preprocessing, low-power scheduling, and SPI/I²C communication with RF transceiver. Use Value: SD16_A enables direct 16-bit sensor digitization; USI drives RF IC efficiently; sub-1 µs wake-up minimizes active time per measurement cycle. |
Use Scenario: Handheld pulse oximeter acquiring analog photodiode signals and computing SpO₂ in real time. IC Role / Device Role / Timing Role: Analog front-end controller performing synchronized LED drive, differential current-to-voltage conversion, and high-resolution A/D sampling. Use Value: Differential SD16_A inputs reject common-mode noise from ambient light; internal reference ensures stable ratiometric measurement across battery discharge. |
| Industrial Process Monitoring Sensor | Smart Meter Tamper Detection Module |
Use Scenario: DIN-rail mounted sensor monitoring vibration, current, or gas concentration in factory environments. IC Role / Device Role / Timing Role: Standalone measurement engine with RTC-triggered sampling, local threshold detection, and UART/RS-485 communication. Use Value: 105°C rating allows operation near motors or transformers; brownout protection maintains integrity during line transients. |
Use Scenario: Tamper-detection submodule in electricity meter detecting magnetic interference, case opening, or power anomaly. IC Role / Device Role / Timing Role: Dedicated security monitor sampling hall-effect sensors and reed switches with ultra-low quiescent current. Use Value: 0.1 µA LPM4 current extends backup battery life beyond 10 years; integrated comparator and SD16_A enable multi-threshold analog event detection. |
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 |
|---|---|---|---|
| MSP430F2013TN | 2KB + 256B flash (vs. 1KB), same SD16_A, USI, and pinout | Required when firmware exceeds 1KB or future feature expansion is anticipated | Select MSP430F2013TN if code size headroom or field-upgrade capability is critical; identical footprint and peripheral set simplify migration |
| MSP430G2553IPW20R | 2KB flash, 512B RAM, enhanced USCI (UART/SPI/I²C), no SD16_A - uses 10-bit SAR ADC instead | Better suited for UART-based telemetry or higher-speed digital control; lacks precision analog front end | Choose MSP430G2553IPW20R for cost-sensitive designs needing UART or larger RAM, but not for high-resolution analog measurement |
Compared with MSP430F2013TN, the MSP430F2003TN trades flash capacity for lower unit cost and smaller die size, while retaining identical analog performance and low-power behavior; versus MSP430G2553IPW20R, it delivers superior 16-bit measurement fidelity at the expense of serial protocol flexibility and memory headroom.
Availability
MSP430F2003TN is available at Aetrix Electronics and suitable for wireless sensor nodes, portable medical diagnostics, and industrial process monitors requiring stable component supply, long-term lifecycle assurance, and industrial temperature-grade reliability.
Supply support for MSP430F2003TN 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 demanding nanowatt-level standby power, integrated precision analog, and minimal bill-of-materials-exemplified by the MSP430F2003TN's SD16_A and Spy-Bi-Wire architecture.
FAQ
What is the maximum operating frequency of the MSP430F2003TN's DCO?
The MSP430F2003TN's digitally controlled oscillator (DCO) is factory-calibrated to operate at up to 16 MHz with ±1% accuracy across voltage and temperature. This enables high-speed active-mode processing while maintaining ultra-low-power characteristics during sleep intervals. The DCO stabilizes in under 1 µs, making it ideal for burst-mode sensor acquisition. MSP430F2003TN supports this full 16-MHz capability without external components.
Does the MSP430F2003TN support hardware UART communication?
No, the MSP430F2003TN does not include a dedicated UART peripheral. It features a Universal Serial Interface (USI) module that supports only SPI and I²C protocols in hardware. UART functionality must be implemented in software using Timer_A and GPIO pins-a common practice in ultra-low-power designs where asynchronous serial is infrequent. MSP430F2003TN's USI does not provide UART framing or baud-rate generation.
What is the function of the P1.3/VREF/A1− pin on the MSP430F2003TN?
On the MSP430F2003TN, P1.3 serves three roles: as a general-purpose I/O, as an input for external reference voltage (VREF), and as the negative input (A1−) to the SD16_A 16-bit Sigma-Delta ADC. When used for VREF, it accepts an external mid-supply voltage to scale the ADC's full-scale range; when used for A1−, it enables true differential measurement against A1+ on P1.2. MSP430F2003TN's SD16_A leverages this pin for ratiometric or grounded-sense configurations.
Can the MSP430F2003TN be programmed using standard JTAG?
The MSP430F2003TN supports only Spy-Bi-Wire (SBW), a two-wire subset of JTAG, not full 4-wire JTAG. Programming and debugging require TI's MSP-FET or compatible SBW-enabled tools connected to RST/NMI/SBWTDIO and TEST/SBWTCK pins. Standard JTAG adapters will not function with MSP430F2003TN due to missing TMS and TDO pins in the TSSOP-14 package. MSP430F2003TN's SBW interface reduces debug footprint while retaining full flash erase/write and breakpoint capability.
What is the difference between MSP430F2003TN and MSP430F2003IPW?
The MSP430F2003TN and MSP430F2003IPW share identical silicon functionality and electrical specifications, differing only in temperature grade and package marking: TN denotes –40°C to +105°C industrial grade in TSSOP-14, while IPW specifies –40°C to +85°C commercial grade in the same TSSOP-14 package. Both use the same pinout and flash/RAM configuration. MSP430F2003TN is selected for applications exposed to elevated ambient temperatures, such as industrial enclosures or automotive under-hood environments.
MSP430F2003TN 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:
- 1KB (1K 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 10x16b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
MSP430F2003TN FAQ
1.How can I place an order for MSP430F2003TN through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2003TN 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 MSP430F2003TN reliable?
The price and inventory of MSP430F2003TN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2003TN is usually 5 days.
3.What payment methods are accepted for MSP430F2003TN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2003TN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2003TN?
MSP430F2003TN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2003TN 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 MSP430F2003TN?
For technical support, including MSP430F2003TN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2003TN requirements.
6.How does Aetrix verify that MSP430F2003TN is sourced from the original manufacturer or authorized distributors?
All MSP430F2003TN 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 MSP430F2003TN meets industry standards.
7.What is the process for return or replacement of MSP430F2003TN?
All MSP430F2003TN units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2003TN, 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 MSP430F2003TN part is unused and in its original packaging.
Return procedure for MSP430F2003TN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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