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Texas Instruments MSP430G2412IRSA16R
- Part No.:
- MSP430G2412IRSA16R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 16-VQFN Exposed Pad
- Datasheet:
-
MSP430G2412IRSA16R.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 16QFN
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSP430G2412IRSA16R from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller featuring 8 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 I/O pins - designed for battery-powered sensor nodes and portable instrumentation requiring sub-1 µs wake-up and <0.5 µA standby current.
For engineers reviewing the MSP430G2412IRSA16R datasheet, MSP430G2412IRSA16R pinout, MSP430G2412IRSA16R application, or MSP430G2412IRSA16R equivalent, this page delivers verified functional identity, QFN-16 package mapping, confirmed peripheral set (no ADC10), real-world low-power operating modes, and two validated alternative parts for design continuity.
Technical Context
The MSP430G2412IRSA16R implements a 16-bit CPU with seven addressing modes and 51 instructions, integrated with a basic clock system supporting DCO (calibrated up to 16 MHz), LF oscillator, and external crystal input. Its Spy-Bi-Wire interface enables in-system programming without external voltage.
It features two 8-bit digital I/O ports (P1 and P2), individually configurable pullup/pulldown resistors, edge-selectable interrupts, and capacitive-touch enable bits per pin. The USI module supports synchronous serial communication via software-configurable SPI or I²C protocols using shared P1.6/P1.7 pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 general-purpose registers; single-cycle register-to-register execution enables deterministic timing for real-time control loops. |
| Flash / RAM | 8 KB flash memory (512-byte segments) + 256 B RAM; supports in-system programming via Spy-Bi-Wire and includes information memory segment A for factory calibration data. |
| Supply Voltage | 1.8 V to 3.6 V operation; enables direct integration with single-cell Li-ion or dual-AA battery systems without external regulators. |
| Low-Power Modes | Five software-selectable modes including LPM4 (0.1 µA off-mode with RAM retention); ultra-fast wake-up (<1 µs) from LPM3/LPM4 critical for duty-cycled sensing. |
| Timer & Peripherals | One 16-bit Timer_A (TA0) with three capture/compare registers; USI supporting hardware SPI/I²C; 8-channel analog comparator (Comp_A+); no ADC10 module. |
| Package | 16-pin QFN (RSA package), 4 mm × 4 mm, 0.65 mm pitch; thermally enhanced pad recommended to be connected to DVSS for thermal management. |
Pinout & Package
16-pin QFN (RSA) package with exposed thermal pad (recommended connection to DVSS). Pin functions are defined per TI SLAS722G Rev. May 2013, Table 2 and RSA top-view diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | DVCC | Digital supply voltage input (1.8–3.6 V); requires local 100 nF decoupling capacitor near pin 1. |
| 14 | DVSS | Digital ground reference; must be connected to system ground plane and tied to QFN thermal pad. |
| 15 | AVCC | Analog supply voltage input; internally connected to DVCC but should be externally bypassed if analog peripherals used. |
| 13 | AVSS | Analog ground reference; recommended to tie to DVSS at single point near device. |
| 10, 11 | RST/NMI/SBWTDIO, TEST/SBWTCK | Spy-Bi-Wire debug interface pins; support programming, emulation, and non-maskable interrupt; require 47 kΩ pullup on RST/NMI. |
| 12, 13 (XOUT/P2.7, XIN/P2.6) | Crystal oscillator inputs | Support 32.768 kHz crystal for ACLK; internal load caps enabled by BCSCTL3.XCAPx bits; P2.6/P2.7 also serve as TA0.1 timer outputs. |
| P1.0–P1.7 | General-purpose I/O with multiplexing | Eight programmable pins with individual direction, output, input, interrupt, and resistor-enable control; P1.6/P1.7 share USI (SPI/I²C) and JTAG TDI/TDO functions. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | Active mode: 220 µA @ 1 MHz, 2.2 V; Standby mode: 0.5 µA; Off mode (RAM retention): 0.1 µA - extends coin-cell life to multi-year deployments. |
| Integrated clock system | Digitally controlled oscillator (DCO) with four factory-calibrated frequencies (1/8/12/16 MHz); eliminates need for external crystal in many timing-critical applications. |
| Capacitive-touch I/O capability | Individual pin-oscillator enable bits per P1.x pin; enables low-cost proximity or button sensing without external components or dedicated ICs. |
| On-chip comparator (Comp_A+) | 8-channel analog comparator with selectable references and output routing to Timer_A; supports battery monitoring, threshold detection, and slope ADC. |
| Secure code protection | Programmable security fuse prevents unauthorized read-out of flash contents; protects firmware IP in production devices. |
Applications
| Smart Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-operated temperature/humidity sensor transmitting data via I²C to BLE MCU every 30 seconds. IC Role / Device Role / Timing Role: Primary controller managing sensor acquisition, USI-based I²C communication, and ultra-low-power sleep/wake scheduling. Use Value: 0.5 µA standby current and <1 µs wake-up minimize energy per measurement cycle, enabling >5-year operation on CR2032. |
Use Scenario: Wearable pulse oximeter using analog comparator to detect LED photodiode signal thresholds and trigger sampling. IC Role / Device Role / Timing Role: Analog front-end supervisor and timing coordinator; Comp_A+ monitors signal levels while Timer_A triggers ADC sampling windows. Use Value: Integrated comparator eliminates external op-amp stage; low active current preserves battery during intermittent signal processing. |
| Industrial Control Panel | Energy Harvesting IoT Endpoint |
Use Scenario: DIN-rail mounted status display with pushbutton inputs, LED indicators, and RS-485 interface driven via USI-SPI bridge. IC Role / Device Role / Timing Role: Human interface manager handling debounced button reads, LED PWM via Timer_A outputs, and SPI-to-RS485 transceiver control. Use Value: Eight I/O pins with configurable pullups/downs simplify PCB layout; USI reduces firmware overhead versus bit-banged serial. |
Use Scenario: Solar-powered soil moisture sensor waking every 10 minutes to measure capacitance via RC decay and transmit via LoRa gateway. IC Role / Device Role / Timing Role: Energy-aware system orchestrator: uses LPM4 between measurements, wakes precisely via Timer_A, and leverages DCO stability for accurate timing. Use Value: 0.1 µA off-mode with RAM retention preserves state across harvest cycles; calibrated DCO avoids crystal cost and board space. |
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 |
|---|---|---|---|
| MSP430G2452IRSA16 | Includes 10-bit ADC10 (8-channel, 200 ksps) and identical core/peripherals; same QFN-16 package and pinout. | Required where analog signal digitization (e.g., thermistor, potentiometer) is needed alongside USI and timer functions. | Select when ADC functionality is essential; no PCB change required, but firmware must initialize ADC10CTL0/1 and configure ADC10AE registers. |
| MSP430G2312IRSA16 | 4 KB flash, 256 B RAM, same peripherals and package; lacks Timer_A capture/compare register CCR2 (only CCR0/CCR1). | Suitable for simpler timing tasks (e.g., single PWM channel, basic interval timing) without dual-output or complex capture requirements. | Choose for cost-sensitive designs with reduced code footprint and less demanding timer needs; pin-compatible but verify CCR2 usage in legacy firmware. |
Compared with MSP430G2452IRSA16, the MSP430G2412IRSA16 omits ADC10 to reduce cost and power, making it optimal for comparator-based or digital-only sensing. Against MSP430G2312IRSA16, it adds full Timer_A3 (three CCRs) for richer PWM and capture flexibility without increasing package size or pin count.
Availability
MSP430G2412IRSA16R is available at Aetrix Electronics and suitable for smart sensor nodes, portable medical monitors, industrial HMI panels, and energy-harvesting IoT endpoints requiring stable component supply, long-term lifecycle support, and consistent QFN-16 sourcing.
Supply support for MSP430G2412IRSA16R 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 delivering analog, embedded processing, and connectivity solutions with emphasis on power efficiency, reliability, and broad ecosystem support.
The MSP430G2xx family targets ultra-low-power applications in portable instrumentation, sensor networks, and battery-constrained systems - the MSP430G2412IRSA16R specifically balances flash capacity, timer capability, and minimal feature set for cost-optimized designs.
FAQ
Does the MSP430G2412IRSA16R include an analog-to-digital converter (ADC)?
No, the MSP430G2412IRSA16R does not include the ADC10 module. This is explicitly confirmed in TI's SLAS722G datasheet: ADC10 functionality is restricted to the MSP430G2x52 series (e.g., MSP430G2452), while the MSP430G2x12 series (including MSP430G2412IRSA16R) omits it. Designers requiring analog digitization must select an MSP430G2x52 variant or add external ADC hardware.
What is the maximum operating frequency of the MSP430G2412IRSA16R DCO?
The digitally controlled oscillator (DCO) in the MSP430G2412IRSA16R is factory-calibrated for four frequencies: 1 MHz, 8 MHz, 12 MHz, and 16 MHz. These values are stored in information memory segment A (addresses 0x0000–0x0009) and can be loaded directly into DCOCTL and BCSCTL1 registers. The 16 MHz setting is the highest stable DCO frequency supported.
Can the MSP430G2412IRSA16R drive capacitive touch buttons without external components?
Yes, the MSP430G2412IRSA16R supports capacitive touch sensing using its built-in pin-oscillator circuitry. Each P1.x pin has an individual PxIES bit to enable oscillator mode, allowing RC decay measurement for touch detection. No external oscillator or dedicated touch controller is required - only firmware configuration of the port and timing logic.
Is the MSP430G2412IRSA16R pin-compatible with other 16-pin MSP430G2xx QFN devices?
Yes, the MSP430G2412IRSA16R shares identical pinout and package dimensions (RSA, 4 mm × 4 mm) with all other MSP430G2xx devices offered in the 16-pin QFN variant, including MSP430G2452IRSA16, MSP430G2312IRSA16, and MSP430G2212IRSA16. Signal mapping and power/ground pin locations are fully consistent across this package group.
What debug interface does the MSP430G2412IRSA16R support?
The MSP430G2412IRSA16R supports Spy-Bi-Wire (SBW), a two-wire JTAG subset using RST/NMI/SBWTDIO (pin 10) and TEST/SBWTCK (pin 11). This interface enables full in-system programming, debugging, and emulation via TI's MSP-FET or compatible tools - no external programming voltage is required, simplifying development and production programming.
MSP430G2412IRSA16R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 16-VQFN Exposed Pad
- Series:
- MSP430G2xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- 10
- Program Memory Size:
- 8KB (8K 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:
MSP430G2412IRSA16R FAQ
1.How can I place an order for MSP430G2412IRSA16R through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2412IRSA16R 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 MSP430G2412IRSA16R reliable?
The price and inventory of MSP430G2412IRSA16R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2412IRSA16R is usually 5 days.
3.What payment methods are accepted for MSP430G2412IRSA16R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2412IRSA16R transactions.
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4.How is shipping managed for MSP430G2412IRSA16R?
MSP430G2412IRSA16R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2412IRSA16R 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 MSP430G2412IRSA16R?
For technical support, including MSP430G2412IRSA16R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2412IRSA16R requirements.
6.How does Aetrix verify that MSP430G2412IRSA16R is sourced from the original manufacturer or authorized distributors?
All MSP430G2412IRSA16R 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 MSP430G2412IRSA16R meets industry standards.
7.What is the process for return or replacement of MSP430G2412IRSA16R?
All MSP430G2412IRSA16R units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2412IRSA16R, 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 MSP430G2412IRSA16R part is unused and in its original packaging.
Return procedure for MSP430G2412IRSA16R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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