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Texas Instruments MSP430G2212IPW20R
- Part No.:
- MSP430G2212IPW20R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430G2212IPW20R.pdf
- Description:
- IC MCU 16BIT 2KB FLASH 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
MSP430G2212IPW20R from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller in 20-pin TSSOP package, featuring 2 kB flash, 256 B RAM, one 16-bit Timer_A with three capture/compare registers, Universal Serial Interface (USI) for SPI/I²C, on-chip comparator, and eight programmable I/O pins - deployed in battery-powered sensor nodes and portable instrumentation.
For engineers reviewing the MSP430G2212IPW20R datasheet, MSP430G2212IPW20R pinout, MSP430G2212IPW20R application, or MSP430G2212IPW20R equivalent, key selection criteria include active-mode current at 1 MHz, USI interface flexibility, brownout detection threshold, Spy-Bi-Wire debug support, and capacitive-touch I/O capability.
Technical Context
The MSP430G2212IPW20R implements a 16-bit CPU with seven addressing modes and constant generators for high code efficiency, paired with a basic clock module supporting internal DCO (calibrated up to 16 MHz), LF oscillator, and external crystal input. It lacks ADC10 functionality - confirmed by Table 1 and repeated notes stating "ADC10 pin functions are available only on MSP430G2x52".
Its peripheral set includes Timer_A3 with three CC registers, USI supporting both SPI and I²C protocols via shared SDO/SDI/SCL/SDA pins, Comparator_A+ with eight selectable inputs, and five software-selectable low-power modes (LPM0–LPM4) enabling sub-µA standby operation. No DMA or hardware UART is integrated.
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 | 2 kB flash memory (512-byte segments) and 256 B RAM - supports in-system programming via Spy-Bi-Wire |
| Supply Voltage | 1.8 V to 3.6 V - enables direct operation from single Li-ion or two alkaline cells |
| Active Current | 220 µA at 1 MHz, 2.2 V - defines minimum power budget for continuous sensing tasks |
| Standby Current | 0.5 µA - determines longest feasible sleep interval before wake-up timer expiration |
| Low-Power Modes | Five modes (LPM0–LPM4); LPM4 draws 0.1 µA with RAM retention - critical for multi-year battery life |
| Debug Interface | Spy-Bi-Wire (2-wire JTAG) - requires only RST/NMI and TEST/SBWTCK pins, minimizing PCB footprint |
Pinout & Package
Package: 20-pin TSSOP (PW), 0.65 mm pitch, body size 6.5 × 4.4 mm, thermal pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (DVCC) | Digital supply voltage | Primary 1.8–3.6 V power rail for core logic and digital I/O |
| 2 (P1.0/TA0CLK/ACLK/A0/CA0) | Multi-function port pin | Configurable as Timer_A clock input, ACLK output, analog input A0, or comparator CA0 - no ADC10 function |
| 16 (DVSS) | Digital ground | Reference return path for DVCC; must be low-impedance and separated from AVSS if used |
| 19 (XIN/P2.6/TA0.1) | Crystal input / GPIO / Timer_A output | Accepts 32.768 kHz crystal; also serves as TA0.1 compare output or general I/O when not in oscillator mode |
| 20 (DVSS) | Digital ground | Second DVSS connection - required for noise reduction in 20-pin layout |
| RST/NMI/SBWTDIO (Pin 10) | Reset / NMI input / debug data I/O | Active-low reset; dual-role Spy-Bi-Wire data line - enables firmware updates without dedicated debug header |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Sub-µA LPM4 current with full RAM retention enables decade-scale coin-cell operation in wake-on-event designs |
| Integrated USI module | Single hardware block supports both SPI master/slave and I²C master - reduces firmware complexity vs. bit-banged alternatives |
| Comparator_A+ with 8 channels | Hardware-based windowed voltage monitoring across eight inputs - eliminates need for external comparators in battery-gauge or threshold-detection circuits |
| Brownout detector | Programmable reset threshold prevents erratic execution during battery sag - configurable to match system-level voltage rails |
| Capacitive-touch I/O | Individual pin-oscillator enable per P1.x pin - allows self-capacitance measurement without external components or dedicated touch controller |
Applications
| Smart Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered temperature/humidity node transmitting data via I²C to BLE MCU every 5 minutes. IC Role / Device Role / Timing Role: Main controller managing sensor readout, USI-based I²C communication, and LPM4 sleep scheduling. Use Value: 0.5 µA standby current extends CR2032 life beyond 3 years; USI eliminates need for external level-shifter or protocol translator. | Use Scenario: Wearable pulse oximeter using discrete photodiode and LED drivers with analog front-end conditioning. IC Role / Device Role / Timing Role: Signal conditioner and comparator supervisor - monitoring LED bias voltage and detecting saturation events. Use Value: Comparator_A+ with eight inputs monitors multiple supply rails and sensor bias points simultaneously; brownout protection ensures safe shutdown before data corruption. |
| Industrial Control Panel | Energy Harvesting IoT Endpoint |
Use Scenario: DIN-rail mounted HMI with tactile buttons, LED indicators, and RS-485 interface managed by companion MCU. IC Role / Device Role / Timing Role: Local I/O expander and status monitor - scanning pushbuttons via interrupt-enabled P1.x pins and driving LEDs via PWM from Timer_A. Use Value: Eight interrupt-capable I/O pins handle button matrix and fault indicators; 16-bit Timer_A provides precise LED dimming resolution without CPU load. | Use Scenario: Solar-charged environmental sensor collecting light/temperature data and waking only when energy buffer exceeds threshold. IC Role / Device Role / Timing Role: Energy-aware scheduler - measuring harvested voltage via comparator, triggering main MCU only when sufficient charge is available. Use Value: Comparator_A+ operates in LPM4 with <100 nA quiescent current; internal DCO enables fast wake-up (<1 µs) to assess energy state before committing to full system boot. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2232IPW20R | Includes 10-bit ADC10 module (8-channel, 200 kSPS), 256 B RAM, same 2 kB flash and USI | Required where analog signal digitization (e.g., thermistor, potentiometer) is needed on-board | Select when ADC functionality is mandatory; otherwise MSP430G2212IPW20R offers lower cost and identical power/peripheral profile without ADC overhead |
| MSP430G2112IPW20R | 1 kB flash, 128 B RAM, same peripherals and power specs - no ADC10 | Suitable for simpler control-only tasks with minimal firmware footprint (e.g., LED sequencer, basic timer-based switch) | Choose for cost-sensitive, memory-constrained applications where 2 kB flash headroom is unnecessary |
Compared with MSP430G2232IPW20R, the MSP430G2212IPW20R removes ADC10 to reduce die size and cost while retaining identical low-power behavior, USI, and Timer_A capabilities; versus MSP430G2112IPW20R, it doubles flash and RAM for more complex firmware without increasing active current or package size.
Availability
MSP430G2212IPW20R is available at Aetrix Electronics and suitable for smart sensor nodes, portable medical monitors, industrial control panels, and energy harvesting IoT endpoints requiring stable component supply and long-term manufacturability.
Supply support for MSP430G2212IPW20R 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 company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The MSP430G2xx family was designed specifically for ultra-low-power sensing and control applications - prioritizing nanowatt sleep modes, fast wake-up, and integrated analog peripherals to minimize external component count in battery-operated systems.
FAQ
Does MSP430G2212IPW20R include an analog-to-digital converter (ADC)?
No, MSP430G2212IPW20R does not include ADC10 functionality. This is explicitly confirmed in the datasheet: "ADC10 pin functions are available only on MSP430G2x52" devices, and Table 1 shows ADC10 column blank for all MSP430G2x12 variants including MSP430G2212IPW20R. The device relies on its Comparator_A+ module for analog threshold detection instead.
What debug interface does MSP430G2212IPW20R support?
MSP430G2212IPW20R supports Spy-Bi-Wire (SBW), a two-wire variant of JTAG implemented on pins RST/NMI/SBWTDIO (Pin 10) and TEST/SBWTCK (Pin 11). This interface enables full flash programming, breakpoint debugging, and register inspection without requiring a four-wire JTAG header, reducing board space and connector cost.
Can MSP430G2212IPW20R drive capacitive-touch buttons?
Yes, MSP430G2212IPW20R supports capacitive-touch sensing on up to eight P1.x pins using its integrated pin-oscillator feature. Each P1 pin has an individually controllable oscillator enable bit (P1SEL.x), allowing self-capacitance measurement without external RC networks - confirmed in the "Digital I/O" section and functional block diagram.
What is the maximum operating frequency of MSP430G2212IPW20R?
The MSP430G2212IPW20R supports a maximum system clock (MCLK) of 16 MHz, achieved using the internal digitally controlled oscillator (DCO) with factory-calibrated settings stored in information memory segment A. This frequency is usable across the full 1.8–3.6 V supply range and enables 62.5-ns instruction cycle time.
Is MSP430G2212IPW20R pin-compatible with other devices in the MSP430G2x12 family?
Yes, all 20-pin TSSOP-packaged MSP430G2x12 devices - including MSP430G2112IPW20R, MSP430G2212IPW20R, MSP430G2312IPW20R, and MSP430G2412IPW20R - share identical pinouts and electrical characteristics. This allows direct substitution within the same footprint when scaling flash/RAM or peripheral requirements.
MSP430G2212IPW20R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- MSP430G2xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, SPI, USI
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 16
- Program Memory Size:
- 2KB (2K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256 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:
- Surface Mount
- Supplier Device Package:
MSP430G2212IPW20R FAQ
1.How can I place an order for MSP430G2212IPW20R through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2212IPW20R 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 MSP430G2212IPW20R reliable?
The price and inventory of MSP430G2212IPW20R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2212IPW20R is usually 5 days.
3.What payment methods are accepted for MSP430G2212IPW20R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2212IPW20R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430G2212IPW20R?
MSP430G2212IPW20R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2212IPW20R 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 MSP430G2212IPW20R?
For technical support, including MSP430G2212IPW20R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2212IPW20R requirements.
6.How does Aetrix verify that MSP430G2212IPW20R is sourced from the original manufacturer or authorized distributors?
All MSP430G2212IPW20R 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 MSP430G2212IPW20R meets industry standards.
7.What is the process for return or replacement of MSP430G2212IPW20R?
All MSP430G2212IPW20R units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2212IPW20R, 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 MSP430G2212IPW20R part is unused and in its original packaging.
Return procedure for MSP430G2212IPW20R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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