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Texas Instruments MSP430G2211IPW4RQ1
- Part No.:
- MSP430G2211IPW4RQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430G2211IPW4RQ1.pdf
- Description:
- IC MCU 16BIT 2KB FLASH 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,988
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Product details
Overview
MSP430G2211IPW4RQ1 from Texas Instruments is an AEC-Q100 qualified automotive-grade 16-bit ultra-low-power mixed-signal microcontroller featuring 2 KB flash, 128 B RAM, a 16-bit Timer_A with two capture/compare registers, brownout detection, and an on-chip analog comparator. It operates from 1.8 V to 3.6 V and supports five low-power modes, including standby mode at 0.5 µA and off mode with RAM retention at 0.1 µA. It targets battery-powered sensor nodes in vehicle cabin monitoring systems.
For engineers reviewing the MSP430G2211IPW4RQ1 datasheet, MSP430G2211IPW4RQ1 pinout, MSP430G2211IPW4RQ1 application, or MSP430G2211IPW4RQ1 equivalent, key selection criteria include its Q1 automotive qualification, integrated Comparator_A+, 14-pin TSSOP (PW) package, 10 I/O pins, and Spy-Bi-Wire debug interface - all critical for space-constrained, safety-aware embedded sensing designs.
Technical Context
The MSP430G2211IPW4RQ1 implements a 16-bit RISC CPU with constant generators and 16 general-purpose registers, enabling single-cycle instruction execution. Its clock system integrates a digitally controlled oscillator (DCO) calibrated to 1 MHz ±3%, internal very-low-power LF oscillator, and support for external 32-kHz crystal or digital clock sources.
It features Port P1 (8-bit) with Schmitt-trigger inputs, individually configurable pull-up/down resistors, and edge-selectable interrupts; Port P2 (2-bit) with shared timer and oscillator functions; and dedicated Spy-Bi-Wire test pins (RST/NMI/SBWTDIO and TEST/SBWTCK) for in-system programming without external voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 62.5-ns instruction cycle time and 16 general-purpose registers |
| Memory | 2 KB flash (main memory) + 256 B information memory + 128 B RAM - supports in-system programming via Spy-Bi-Wire |
| Power Modes | Active mode: 220 µA @ 1 MHz, 2.2 V; Standby: 0.5 µA; Off with RAM retention: 0.1 µA |
| Comparator | On-chip Comparator_A+ with 8-channel input multiplexer (CA0–CA7), CAOUT output, and slope ADC capability |
| Clock Sources | Internal DCO (up to 16 MHz, factory-calibrated), internal VLO, external 32-kHz crystal (XIN/XOUT), or digital clock input |
| I/O & Peripherals | 10 total I/O pins (P1.0–P1.7, P2.6, P2.7); Timer_A2 with two capture/compare registers; brownout detector; WDT+ |
| Package | 14-pin TSSOP (PW), 5 mm × 4.4 mm body, lead-free, RoHS-compliant |
Pinout & Package
14-pin Plastic Small-Outline Thin Package (TSSOP), 5 mm × 4.4 mm body size, surface-mount, JEDEC MO-153 compliant. Thermal pad not present; no exposed die pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0 / TA0CLK / ACLK / CA0 | Port 1 bit 0, Timer_A clock input, auxiliary clock output, comparator input | Multi-function pin supporting system timing, peripheral clocking, and analog signal acquisition |
| P1.1 / TA0.0 / CA1 | Port 1 bit 1, Timer_A capture/compare channel 0, comparator input | Enables PWM generation, pulse-width measurement, and analog threshold detection |
| P1.2 / TA0.1 / CA2 | Port 1 bit 2, Timer_A capture/compare channel 1, comparator input | Supports dual-edge timing, frequency measurement, and differential analog comparison |
| P1.3 / CA3 / CAOUT | Port 1 bit 3, comparator input/output | Provides direct comparator output routing for fast response or feedback control loops |
| P1.4 / SMCLK / CA4 / TCK | Port 1 bit 4, sub-main clock output, comparator input, JTAG test clock | Shares clock distribution, analog sensing, and boundary-scan debugging capability |
| P1.5 / TA0.0 / CA5 / TMS | Port 1 bit 5, Timer_A compare output, comparator input, JTAG test mode select | Combines timing control, analog reference, and serial programming interface |
| P1.6 / TA0.1 / CA6 / TDI / TCLK | Port 1 bit 6, Timer_A compare output, comparator input, Spy-Bi-Wire data/clock | Enables synchronized analog-digital event triggering and low-pin-count programming |
| P1.7 / CA7 / TDO / TDI | Port 1 bit 7, comparator input, Spy-Bi-Wire data I/O | Supports daisy-chain debugging and analog signal monitoring during test |
| RST/NMI/SBWTDIO | Reset/non-maskable interrupt/test data I/O | Single pin handles power-on reset, fault recovery, and bidirectional programming communication |
| TEST/SBWTCK | Test mode select/Spy-Bi-Wire clock | Activates debug interface and synchronizes programming cycles without external clock source |
| XIN / P2.6 / TA0.1 | Cry stal oscillator input / Port 2 bit 6 / Timer_A compare output | Allows crystal-based timing precision while retaining GPIO and timer functionality |
| XOUT / P2.7 | Cry stal oscillator output / Port 2 bit 7 | Enables crystal operation or repurposes as general-purpose I/O when oscillator disabled |
| DVCC | Digital supply voltage | 1.8–3.6 V core logic supply; decoupling required per TI layout guidelines |
| DVSS | Digital ground reference | Common return path for digital I/O and core logic; separate from analog ground in system design |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 2 qualification | Rated for operation from –40°C to +105°C ambient, meeting automotive reliability and stress-test requirements |
| Ultra-fast wake-up from LPM3/LPM4 | Sub-1 µs transition to active mode using DCO - enables responsive event-driven sensing without latency penalty |
| Integrated Comparator_A+ | 8-input analog comparator with programmable hysteresis and slope ADC mode - eliminates need for external comparator in battery-monitoring circuits |
| Spy-Bi-Wire debug interface | Two-wire (SBWTDIO + SBWTCK), no external programming voltage required - reduces BOM count and PCB footprint vs. full JTAG |
| Programmable code protection | Security fuse prevents unauthorized flash read-out - protects firmware IP in production ECUs and Tier-1 modules |
Applications
| Cabin Temperature Sensor Node | Seat Belt Buckle Detection Module |
|---|---|
Use Scenario: Monitors cabin air temperature using NTC thermistor and reports via LIN bus to HVAC controller. IC Role / Device Role / Timing Role: MCU executes slope ADC conversion of thermistor voltage, applies calibration lookup, manages LIN protocol stack, and wakes only on delta-T threshold. Use Value: Ultra-low standby current (0.5 µA) extends battery life in always-on modules; integrated comparator replaces discrete op-amp and reference. | Use Scenario: Detects buckle insertion/removal via microswitch and capacitive proximity sensing in seat belt assembly. IC Role / Device Role / Timing Role: MSP430G2211IPW4RQ1 samples switch state and analog proximity signal, debounces inputs, and asserts status over SENT or discrete output. Use Value: Dual capture/compare registers enable precise timing of mechanical switch bounce and analog settling; automotive qualification ensures field reliability. |
| Door Lock Actuator Monitor | 12-V Battery Voltage Supervisor |
Use Scenario: Verifies motor current signature during door lock/unlock actuation to detect jamming or obstruction. IC Role / Device Role / Timing Role: Measures current-sense resistor voltage with comparator hysteresis and Timer_A edge-capture to log pulse width and amplitude. Use Value: On-chip comparator and timer eliminate external components; 105°C rating supports under-dash mounting near actuators. | Use Scenario: Continuously monitors vehicle battery voltage to trigger low-voltage warnings before engine cranking failure. IC Role / Device Role / Timing Role: Uses internal VLO and comparator to perform periodic voltage checks against programmable thresholds during sleep. Use Value: 0.1 µA off-mode with RAM retention preserves last-read voltage and fault history across ignition cycles without backup capacitor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2231IPW4RQ1 | Same package and pinout; adds 10-bit ADC (200 ksps), removes comparator; 2 KB flash, 256 B RAM | Better suited for designs requiring digitized analog signals (e.g., potentiometer position) rather than comparator-based thresholding | Select when ADC resolution and sampling rate outweigh need for analog comparator hysteresis and slope conversion |
| RL78/F12-CD-10 | 16-bit RL78 core; 16 KB flash, 1.5 KB RAM; built-in 10-bit ADC, LIN PHY; 20-pin SSOP; operates up to 24 MHz | Targets higher-integration modules needing LIN physical layer, larger code space, and faster processing - e.g., multi-sensor clusters | Choose when system requires native LIN transceiver, >2 KB flash, or deterministic real-time response beyond MSP430G2211IPW4RQ1 capabilities |
Compared with MSP430G2231IPW4RQ1, the MSP430G2211IPW4RQ1 trades ADC capability for lower cost and optimized comparator-based sensing; versus RL78/F12-CD-10, it offers smaller footprint, lower active current, and simpler toolchain - ideal for cost-sensitive, single-function automotive sensors.
Availability
MSP430G2211IPW4RQ1 is available at Aetrix Electronics and suitable for automotive cabin sensing, battery supervision, and door module applications requiring stable component supply, AEC-Q100 compliance, and long-term industrial availability.
Supply support for MSP430G2211IPW4RQ1 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 for automotive, industrial, and consumer markets.
The MSP430G2x11-Q1 product line delivers ultra-low-power mixed-signal MCUs specifically engineered for automotive sensor nodes where extended battery life, small form factor, and functional safety readiness are essential.
FAQ
What automotive qualification level does the MSP430G2211IPW4RQ1 meet?
The MSP430G2211IPW4RQ1 is AEC-Q100 qualified to Grade 2, meaning it is rated for operation from –40°C to +105°C ambient temperature and has passed stress tests including HTOL, TC, and ESD per automotive reliability standards. This qualification is explicitly documented in the SLAS775E datasheet and applies to the exact MSP430G2211IPW4RQ1 orderable part number.
Does the MSP430G2211IPW4RQ1 include an analog-to-digital converter (ADC)?
No, the MSP430G2211IPW4RQ1 does not include a successive-approximation or sigma-delta ADC. It features an on-chip analog comparator (Comparator_A+) with 8 input channels and slope ADC capability - which performs analog-to-digital conversion by measuring time-to-trip against a ramp voltage - but lacks a dedicated ADC peripheral. This is confirmed in Table 1 of the SLAS775E datasheet, where Comp_A+ is marked "1x" and ADC is omitted.
What debug interface does the MSP430G2211IPW4RQ1 support?
The MSP430G2211IPW4RQ1 supports the Spy-Bi-Wire (SBW) interface using two pins: RST/NMI/SBWTDIO and TEST/SBWTCK. It does not support full 4-wire JTAG. SBW enables in-system programming and debugging without external programming voltage, and is fully compatible with TI's MSP-FET and IAR/Code Composer Studio toolchains. Pin assignments are defined in Section 7.1 and Table 2 of SLAS775E.
Can the MSP430G2211IPW4RQ1 operate from a 32-kHz watch crystal?
Yes, the MSP430G2211IPW4RQ1 supports external 32-kHz crystal operation via XIN (P2.6) and XOUT (P2.7) pins. The crystal connects directly to these pins and is managed by the basic clock module. When enabled, it provides the ACLK source for low-power timing and RTC functions. Crystal startup time and load capacitance requirements are specified in Section 9.19 of SLAS775E.
How many I/O pins does the MSP430G2211IPW4RQ1 provide in its PW package?
The MSP430G2211IPW4RQ1 in the 14-pin TSSOP (PW) package provides 10 usable I/O pins: P1.0 through P1.7 (8 pins), plus P2.6 and P2.7. All 10 pins are individually configurable as digital inputs/outputs with programmable pull-up/pull-down resistors and edge-selectable interrupts. This count is verified in Table 1 and Section 7.1 of the SLAS775E datasheet.
MSP430G2211IPW4RQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- MSP430G2
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- Slope A/D
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430G2211IPW4RQ1 FAQ
1.How can I place an order for MSP430G2211IPW4RQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2211IPW4RQ1 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 MSP430G2211IPW4RQ1 reliable?
The price and inventory of MSP430G2211IPW4RQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2211IPW4RQ1 is usually 5 days.
3.What payment methods are accepted for MSP430G2211IPW4RQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2211IPW4RQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430G2211IPW4RQ1?
MSP430G2211IPW4RQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2211IPW4RQ1 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 MSP430G2211IPW4RQ1?
For technical support, including MSP430G2211IPW4RQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2211IPW4RQ1 requirements.
6.How does Aetrix verify that MSP430G2211IPW4RQ1 is sourced from the original manufacturer or authorized distributors?
All MSP430G2211IPW4RQ1 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 MSP430G2211IPW4RQ1 meets industry standards.
7.What is the process for return or replacement of MSP430G2211IPW4RQ1?
All MSP430G2211IPW4RQ1 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2211IPW4RQ1, 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 MSP430G2211IPW4RQ1 part is unused and in its original packaging.
Return procedure for MSP430G2211IPW4RQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MSP430G2211IPW4RQ1 Tags
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