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Texas Instruments MSP430G2211IN14
- Part No.:
- MSP430G2211IN14
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
MSP430G2211IN14.pdf
- Description:
- IC MCU 16BIT 2KB FLASH 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,248
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Product details
Overview
MSP430G2211IN14 from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller in a 14-pin PDIP package, featuring 2 KB flash, 128 B RAM, a 16-bit Timer_A with two capture/compare registers, an integrated analog comparator (Comp_A+), and operation across 1.8 V–3.6 V. It targets battery-powered sensor nodes requiring precise analog signal comparison and low-energy wake-up.
For engineers reviewing the MSP430G2211IN14 datasheet, MSP430G2211IN14 pinout, MSP430G2211IN14 application, or MSP430G2211IN14 equivalent, key selection criteria include its 10 I/O pins, sub-1 µs wake-up from LPM4, brownout detector, Spy-Bi-Wire debug interface, and support for slope A/D conversion via Comp_A+.
Technical Context
The MSP430G2211IN14 implements a 16-bit RISC CPU with constant generators and seven addressing modes, executing register-to-register instructions in one MCLK cycle. Its clock system integrates a digitally controlled oscillator (DCO) calibrated to 1 MHz, internal LF oscillator, and external 32-kHz crystal support - enabling flexible low-power timing across five software-selectable operating modes.
It includes a dedicated Comparator_A+ module with eight selectable inputs (CA0–CA7) and CAOUT output, supporting analog threshold detection and slope-based A/D without external components. The device uses a single 8-bit port P1 (P1.0–P1.7) plus two bits on P2 (P2.6, P2.7), 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 registers and 51-instruction set; enables compact, deterministic firmware for resource-constrained embedded control. |
| Flash / RAM | 2 KB flash program memory and 128 B RAM; sufficient for small sensor firmware with calibration data storage in info memory segment A. |
| Supply Voltage | 1.8 V to 3.6 V operation; supports direct connection to single-cell Li-ion, alkaline, or coin-cell batteries without regulation. |
| Active Current | 220 µA at 1 MHz, 2.2 V; allows >1-year runtime on 220 mAh coin cell in periodic sensing applications. |
| Low-Power Modes | LPM4 draws 0.1 µA (RAM retention); enables multi-year standby in wake-on-comparator or external interrupt scenarios. |
| Comparator_A+ | 8-channel analog comparator with CAOUT output; enables hardware-level battery voltage monitoring or analog threshold triggering without CPU involvement. |
| Wake-Up Time | <1 µs from LPM4 to active mode via DCO; critical for time-sensitive event response in energy-harvesting or duty-cycled systems. |
Pinout & Package
Package: 14-pin plastic dual-inline package (PDIP), 0.3-inch body width, through-hole mounting compatible with standard prototyping and legacy PCB assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (DVCC) | Power supply | Positive supply rail; must be decoupled locally with 100 nF ceramic capacitor to ensure stable DCO and comparator operation. |
| 14 (DVSS) | Ground reference | Digital ground return; requires low-impedance connection to system ground plane to minimize noise coupling into analog comparator inputs. |
| P1.0/TA0CLK/ACLK/CA0 | Multi-function I/O | Primary timer clock input, ACLK output, or comparator positive input; shared function requires careful peripheral initialization sequence. |
| P1.1/TA0.0/CA1 | Timer compare / comparator input | Supports capture/compare output (Out0) or comparator channel CA1; used for PWM generation or analog threshold detection. |
| P1.2/TA0.1/CA2 | Timer compare / comparator input | Second capture/compare output (Out1) or comparator channel CA2; enables dual-edge timing or differential analog sensing. |
| RST/NMI/SBWTDIO | Reset / debug I/O | Active-low reset input, non-maskable interrupt, and bidirectional Spy-Bi-Wire data line; requires 47 kΩ pullup for reliable programming. |
| TEST/SBWTCK | Debug clock input | Test mode select and Spy-Bi-Wire clock; driven by programmer during firmware download; must not float during normal operation. |
| XIN/P2.6/TA0.1 | Clock input / I/O / timer | Crystal oscillator input, general-purpose I/O, or Timer_A output; when used as XIN, P2.6 must be configured as input and left unconnected externally. |
| XOUT/P2.7 | Clock output | Crystal oscillator output; must connect to crystal's second terminal; unused when internal DCO or VLO is selected as ACLK source. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-power operation | 0.1 µA LPM4 current with RAM retention enables decade-scale battery life in always-on sensor monitors. |
| Integrated analog comparator | Comp_A+ with 8 selectable inputs and CAOUT simplifies battery voltage supervision and analog trigger circuits without external op-amps. |
| Spy-Bi-Wire debug interface | 2-wire (SBWTDIO + SBWTCK) in-system programming and debugging eliminates need for full JTAG header, reducing board space and BOM cost. |
| Five configurable low-power modes | Software-selectable LPM0–LPM4 allow precise trade-off between wake-up latency, peripheral activity, and current draw per application phase. |
| Brownout detector | On-chip POR/BOR circuit ensures reliable reset below 1.7 V, preventing erratic code execution during battery discharge or power ramp-up. |
Applications
| Smart Utility Meter Sensor Node | Portable Medical Glucose Monitor |
|---|---|
Use Scenario: Battery-powered meter reads temperature, pressure, and flow sensors every 15 seconds, transmits data via RF, then returns to deep sleep. IC Role / Device Role / Timing Role: MSP430G2211IN14 acts as main controller and analog front-end processor; Timer_A schedules sampling intervals, Comp_A+ validates sensor bias voltages pre-acquisition. Use Value: 0.1 µA LPM4 current extends AA battery life beyond 5 years; sub-1 µs wake-up ensures accurate timestamping of sensor events. |
Use Scenario: Handheld glucose meter powers on only when test strip is inserted, measures electrochemical current, calculates concentration, displays result, then powers off. IC Role / Device Role / Timing Role: MSP430G2211IN14 serves as signal acquisition engine and display driver; Comp_A+ performs real-time current-to-voltage conversion and threshold detection for strip insertion sensing. Use Value: Integrated comparator eliminates discrete op-amp and reference, reducing BOM count by 3 parts; 1.8 V minimum supply enables direct use of CR2032 coin cell. |
| Industrial Temperature Logger | Wireless HVAC Thermostat Sensor |
Use Scenario: Encapsulated logger records ambient temperature every minute using thermistor, stores data in flash, uploads logs weekly via BLE gateway. IC Role / Device Role / Timing Role: MSP430G2211IN14 executes thermistor ADC routine via slope A/D using Comp_A+, manages flash wear leveling, and controls RTC via ACLK. Use Value: Slope A/D implementation consumes zero additional pins or external components; 128 B RAM buffers 32 readings before flash write, minimizing write cycles. |
Use Scenario: Wall-mounted sensor measures room temperature and humidity, wakes every 30 seconds to update local display and transmit to thermostat base unit over 2.4 GHz ISM band. IC Role / Device Role / Timing Role: MSP430G2211IN14 handles sensor I²C reads, display refresh, and RF MCU interface; LPM3 mode maintains 32-kHz crystal RTC while drawing only 0.7 µA. Use Value: Crystal-backed LPM3 mode sustains accurate timekeeping for scheduling and logging without compromising battery longevity in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultralow-power mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2231IN14 | Includes UART and more I/O (16 pins), but same 2 KB flash/128 B RAM and Comp_A+; adds serial communication capability. | Required where host communication (e.g., USB-to-UART bridge or PC diagnostics) is needed alongside analog sensing. | Select when serial interface is mandatory; avoid if pin count and BOM simplicity are prioritized over connectivity. |
| MSP430G2210IN14 | No analog comparator; identical package, flash/RAM, and timer/peripheral set otherwise. | Suitable for digital-only sensing (e.g., switch monitoring, pulse counting) where analog thresholding is unnecessary. | Choose for cost-sensitive digital control tasks; not viable for battery monitoring or slope A/D applications. |
Compared with MSP430G2231IN14, the MSP430G2211IN14 reduces pin count and eliminates UART overhead for pure analog-digital sensor fusion, while MSP430G2210IN14 removes comparator functionality entirely - making it unsuitable for any application requiring hardware-level analog event detection.
Availability
MSP430G2211IN14 is available at Aetrix Electronics and suitable for smart utility meter sensor nodes, portable medical glucose monitors, industrial temperature loggers, wireless HVAC thermostat sensors, and battery-supervised IoT edge devices requiring stable component supply and long-term manufacturability.
Supply support for MSP430G2211IN14 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 investment in ultralow-power design expertise.
The MSP430G2xx family was engineered specifically for cost-sensitive, battery-operated measurement and sensing applications - delivering high integration, sub-µA sleep currents, and robust analog peripherals in small packages like the MSP430G2211IN14.
FAQ
What is the maximum system clock frequency supported by the MSP430G2211IN14 at 3.3 V?
The MSP430G2211IN14 supports up to 16 MHz MCLK when VCC ≥ 3.3 V and duty cycle is 50% ± 10%. This maximum frequency is achieved using the factory-calibrated DCO; external crystals are limited to 32 kHz for ACLK. The MSP430G2211IN14 datasheet specifies this limit under Recommended Operating Conditions, Table 15.
Does the MSP430G2211IN14 support in-system programming without external voltage?
Yes, the MSP430G2211IN14 supports serial onboard programming via Spy-Bi-Wire using only VCC (1.8–3.6 V) - no external programming voltage is required. The TEST and SBWTDIO pins enable full flash read/write/debug access, and security fuse programming is performed through the same interface. This capability is confirmed in the MSP430G2211IN14 features list and SLAS695I Section 1.
How many analog comparator inputs does the MSP430G2211IN14 provide?
The MSP430G2211IN14 includes the Comparator_A+ module with eight selectable positive inputs: CA0 through CA7. These map to P1.0, P1.1, P1.2, P1.3, P1.4, P1.5, P1.6, and P1.7 respectively. This is explicitly documented in Table 2 (Terminal Functions) and the "Comparator_A+ (MSP430G2x11 Only)" section of the MSP430G2211IN14 datasheet.
Can the MSP430G2211IN14 operate from a single 1.8 V supply during flash programming?
No - flash programming requires a minimum VCC of 2.2 V, as specified in the Recommended Operating Conditions table of the MSP430G2211IN14 datasheet. While the device executes code down to 1.8 V, flash erase/write operations are disabled below 2.2 V to ensure data integrity and endurance. This constraint applies to both Spy-Bi-Wire and JTAG programming methods.
What are the I/O capabilities of Port P2 on the MSP430G2211IN14?
Port P2 on the MSP430G2211IN14 provides two general-purpose I/O pins: P2.6 and P2.7. Both support interrupt, pullup/pulldown configuration, and alternate functions - P2.6 doubles as XIN/TA0.1 and P2.7 as XOUT. Neither pin supports analog comparator inputs or timer capture/compare functions. This is defined in Table 1 (Available Options) and Table 2 (Terminal Functions) of the MSP430G2211IN14 datasheet.
MSP430G2211IN14 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Series:
- MSP430G2xx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- -
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 10
- Program Memory Size:
- 2KB (2K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
MSP430G2211IN14 FAQ
1.How can I place an order for MSP430G2211IN14 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2211IN14 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 MSP430G2211IN14 reliable?
The price and inventory of MSP430G2211IN14 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2211IN14 is usually 5 days.
3.What payment methods are accepted for MSP430G2211IN14?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2211IN14 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430G2211IN14?
MSP430G2211IN14 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2211IN14 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 MSP430G2211IN14?
For technical support, including MSP430G2211IN14 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2211IN14 requirements.
6.How does Aetrix verify that MSP430G2211IN14 is sourced from the original manufacturer or authorized distributors?
All MSP430G2211IN14 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 MSP430G2211IN14 meets industry standards.
7.What is the process for return or replacement of MSP430G2211IN14?
All MSP430G2211IN14 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2211IN14, 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 MSP430G2211IN14 part is unused and in its original packaging.
Return procedure for MSP430G2211IN14:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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