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Texas Instruments MSP430G2001IPW4RQ1
- Part No.:
- MSP430G2001IPW4RQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430G2001IPW4RQ1.pdf
- Description:
- IC MCU 16BIT 512B FLASH 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,229
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Product details
Overview
MSP430G2001IPW4RQ1 from Texas Instruments is an automotive-qualified ultra-low-power 16-bit RISC microcontroller with 2 KB flash, 128 B RAM, 10 I/O pins, and a 16-bit Timer_A2 module. It operates from 1.8 V to 3.6 V and supports five low-power modes including LPM4 (0.1 µA RAM retention). It targets cost-sensitive automotive sensor nodes requiring fast wake-up (<1 µs) and minimal power budget.
For engineers reviewing the MSP430G2001IPW4RQ1 datasheet, MSP430G2001IPW4RQ1 pinout, MSP430G2001IPW4RQ1 application, or MSP430G2001IPW4RQ1 equivalent, key selection criteria include its Q1 automotive qualification, TSSOP-14 package, absence of analog comparator, DCO-based clocking up to 16 MHz, and Spy-Bi-Wire debug interface compatibility.
Technical Context
The MSP430G2001IPW4RQ1 implements a 16-bit CPU with seven addressing modes and constant generators for optimized code density. Its clock system integrates a digitally controlled oscillator (DCO), internal low-frequency oscillator (VLO), and external crystal support (32 kHz), all selectable via the basic clock module without external components.
It features a single 8-bit port (P1) with full interrupt capability on all pins plus two P2 I/O bits, each with programmable pullup/pulldown resistors. The Timer_A2 peripheral provides two capture/compare registers for PWM generation, interval timing, and event counting - but no analog comparator functionality, distinguishing it from the G2x11 family members.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and 62.5-ns instruction cycle time - enables deterministic real-time control and compact firmware footprint. |
| Memory | 2 KB flash (main memory) + 128 B RAM - sufficient for small embedded sensor firmware with data buffering and calibration storage. |
| Power Consumption | Active mode: 220 µA at 1 MHz/2.2 V; LPM4 (RAM retention): 0.1 µA - supports multi-year battery life in always-on automotive monitoring nodes. |
| Clock Sources | Internal DCO (calibrated up to 16 MHz), VLO, and external 32-kHz crystal - eliminates need for external high-frequency oscillators in most applications. |
| I/O Count & Type | 10 total I/O: 8 on P1 (fully interrupt-capable), 2 on P2 - supports discrete sensor interfacing, LED indicators, and simple bus communication. |
| Debug Interface | Spy-Bi-Wire (2-wire JTAG) - enables in-system programming and debugging with minimal PCB routing overhead. |
| Automotive Qualification | AEC-Q100 Grade 2 (–40°C to +105°C) - certified for under-hood and cabin-mounted automotive electronics. |
Pinout & Package
Package: 14-pin TSSOP (PW), 5 mm × 4.4 mm body size, lead pitch 0.65 mm - compatible with standard surface-mount assembly and reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (DVCC) | Supply voltage input | 1.8–3.6 V main power rail; decoupling capacitor required near pin for stable operation. |
| 14 (DVSS) | Ground reference | Primary digital ground return; must be connected to low-impedance system ground plane. |
| 10 (RST/NMI/SBWTDIO) | Reset / NMI input / debug I/O | Active-low reset; also serves as bidirectional data line for Spy-Bi-Wire programming and debugging. |
| 11 (TEST/SBWTCK) | Test mode select / debug clock | Input-only clock for Spy-Bi-Wire; pulled high internally; used to enter test/debug mode during programming. |
| P1.0–P1.7 | General-purpose I/O with interrupt | Eight configurable digital I/O pins; each supports edge-triggered interrupts and programmable pullup/down resistors. |
| P2.6, P2.7 | General-purpose I/O | Two additional digital I/O pins; P2.6 and P2.7 also serve as XIN/XOUT for optional 32-kHz crystal connection. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.1 µA in LPM4 retains RAM state - enables immediate wake-up without firmware reload, critical for event-driven automotive sensing. |
| Digital-controlled oscillator (DCO) | Factory-calibrated to 1 MHz ±3%; supports software tuning up to 16 MHz - eliminates external crystal for many timing-critical functions. |
| Timer_A2 with dual capture/compare | 16-bit counter with two independent CCR registers - supports precise PWM generation, pulse-width measurement, and periodic interrupt timing. |
| Brownout detector (BOR) | Integrated circuit monitors DVCC and asserts reset below threshold - ensures reliable startup and prevents erratic behavior during voltage sag. |
| On-chip emulation logic | Spy-Bi-Wire interface uses only two pins (RST/NMI and TEST) - reduces debug footprint vs. full 4-pin JTAG and simplifies production programming. |
Applications
| Automotive Cabin Temperature Sensor Node | Engine Bay Pressure Monitoring Module |
|---|---|
|
Use Scenario: Measures cabin ambient temperature using thermistor network and transmits data via LIN bus. IC Role / Device Role / Timing Role: Main controller executing ADC sampling, linearization, and LIN protocol stack; uses DCO for baud-rate timing. Use Value: LPM3 operation (0.5 µA) between samples extends battery life; 10 I/O pins directly interface thermistor, pullups, and LIN transceiver. |
Use Scenario: Monitors intake manifold pressure with analog sensor and triggers fault reporting if out-of-range. IC Role / Device Role / Timing Role: Standalone sensor conditioner and watchdog; wakes on timer interrupt every 100 ms to sample and validate signal. Use Value: Sub-1 µs wake-up from LPM4 ensures rapid response to pressure transients; AEC-Q100 qualification guarantees reliability in high-temp engine bay. |
| Body Control Unit (BCU) Door Lock Actuator Driver | Automotive Seat Position Memory Module |
|
Use Scenario: Controls solenoid lock actuation and monitors position feedback switches in door latch assembly. IC Role / Device Role / Timing Role: Dedicated actuator sequencer managing drive timing, current limiting, and switch debouncing. Use Value: 10 GPIO pins handle 4 solenoid drivers (via external FETs), 4 switch inputs, and status LEDs; robust brownout protection prevents mid-cycle lock failure. |
Use Scenario: Stores and recalls driver seat position settings using nonvolatile flash memory and potentiometer inputs. IC Role / Device Role / Timing Role: Flash-based configuration manager reading analog position sensors and storing calibrated offsets in information memory segment A. Use Value: 2 KB flash includes factory calibration data in Segment A; Timer_A2 generates precise 1-ms sampling intervals for smooth position tracking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2201IPW4RQ1 | Same package and core, but adds analog comparator (Comparator_A+) - increases die area and power in active mode. | Required when slope ADC or battery voltage supervision is needed; unnecessary overhead for pure digital control. | Select MSP430G2201IPW4RQ1 only if analog comparison is essential; otherwise MSP430G2001IPW4RQ1 offers lower cost and identical digital functionality. |
| MSP430FR2001IPW4R | Ferroelectric RAM (FRAM) instead of flash; 1 KB FRAM + 512 B RAM; no AEC-Q100 qualification; operates down to 1.8 V. | Targeted at industrial/consumer designs needing faster write endurance and no automotive certification. | Choose MSP430FR2001IPW4R for high-write-cycle logging or non-automotive use; MSP430G2001IPW4RQ1 remains mandatory for AEC-Q100-compliant systems. |
Compared with MSP430G2201IPW4RQ1 and MSP430FR2001IPW4R, the MSP430G2001IPW4RQ1 delivers optimal cost/power balance for automotive digital sensor nodes where analog comparison is not required and AEC-Q100 compliance is non-negotiable.
Availability
MSP430G2001IPW4RQ1 is available at Aetrix Electronics and suitable for automotive cabin sensors, engine bay monitors, and body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MSP430G2001IPW4RQ1 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 over 50 years of automotive IC experience.
The MSP430G2x01 product line delivers ultra-low-power mixed-signal microcontrollers for cost-sensitive automotive sensor and actuator control applications - designed specifically for AEC-Q100 compliance, minimal external components, and long-term supply stability.
FAQ
What is the maximum operating frequency of the MSP430G2001IPW4RQ1?
The MSP430G2001IPW4RQ1 supports a maximum DCO frequency of 16 MHz, factory-calibrated for 1 MHz operation with ±3% tolerance. Software can tune the DCO higher using calibration constants stored in flash information memory segment A, enabling precise timing for UART, PWM, or sensor sampling without external crystals.
Does the MSP430G2001IPW4RQ1 include an analog comparator?
No, the MSP430G2001IPW4RQ1 does not include an analog comparator. This distinguishes it from the MSP430G2211IPW4RQ1 and MSP430G2201IPW4RQ1 variants. Its peripheral set consists solely of Timer_A2, basic clock module, brownout detector, and Spy-Bi-Wire interface - making it ideal for purely digital control tasks.
What debug interface does the MSP430G2001IPW4RQ1 support?
The MSP430G2001IPW4RQ1 supports the Spy-Bi-Wire (SBW) interface using two pins: RST/NMI/SBWTDIO (pin 10) and TEST/SBWTCK (pin 11). This 2-wire variant of JTAG enables full in-system programming, debugging, and flash memory access without requiring a 4-pin JTAG header, reducing PCB layout complexity.
Is the MSP430G2001IPW4RQ1 qualified for automotive applications?
Yes, the MSP430G2001IPW4RQ1 is AEC-Q100 qualified (Grade 2, –40°C to +105°C) and explicitly designated for automotive use with "Q1" suffix. It meets stringent reliability, thermal, and ESD requirements for under-dash and cabin-mounted electronic control units.
How much flash and RAM memory does the MSP430G2001IPW4RQ1 have?
The MSP430G2001IPW4RQ1 contains 2 KB of flash memory for program storage and 128 B of RAM for runtime variables and stack. Flash is organized into 512-byte segments, with information memory segments (A–D) providing 256 bytes for calibration data and user configuration - all accessible via the CPU or Spy-Bi-Wire interface.
MSP430G2001IPW4RQ1 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:
- 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:
- 512B (512 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430G2001IPW4RQ1 FAQ
1.How can I place an order for MSP430G2001IPW4RQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2001IPW4RQ1 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 MSP430G2001IPW4RQ1 reliable?
The price and inventory of MSP430G2001IPW4RQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2001IPW4RQ1 is usually 5 days.
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MSP430G2001IPW4RQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2001IPW4RQ1 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 MSP430G2001IPW4RQ1?
For technical support, including MSP430G2001IPW4RQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2001IPW4RQ1 requirements.
6.How does Aetrix verify that MSP430G2001IPW4RQ1 is sourced from the original manufacturer or authorized distributors?
All MSP430G2001IPW4RQ1 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 MSP430G2001IPW4RQ1 meets industry standards.
7.What is the process for return or replacement of MSP430G2001IPW4RQ1?
All MSP430G2001IPW4RQ1 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2001IPW4RQ1, 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 MSP430G2001IPW4RQ1 part is unused and in its original packaging.
Return procedure for MSP430G2001IPW4RQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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