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Texas Instruments MSP430F2232IDA
- Part No.:
- MSP430F2232IDA
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 38-TSSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430F2232IDA.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,157
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Product details
Overview
MSP430F2232IDA from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 8KB+256B flash memory, 512B RAM, a 10-bit 200-ksps ADC with internal reference and autoscan, dual 16-bit timers (Timer_A3 and Timer_B3), and USCI modules supporting UART/LIN, SPI, and I²C - deployed in sensor signal acquisition and battery-powered measurement systems.
For engineers reviewing the MSP430F2232IDA datasheet, MSP430F2232IDA pinout, MSP430F2232IDA application, or MSP430F2232IDA equivalent, key selection criteria include active-mode current (270 µA @ 1 MHz, 2.2 V), standby-mode power (0.7 µA), 38-pin TSSOP package compatibility, brownout detection, and Spy-Bi-Wire debug interface support.
Technical Context
The MSP430F2232IDA implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations. Its basic clock system integrates a digitally controlled oscillator (DCO) calibrated to ±1% across four frequencies up to 16 MHz, plus support for 32-kHz crystal and HF crystal (≤16 MHz) inputs.
It features two independent USCI modules: USCI_A0 supports enhanced UART with auto-baudrate detection (LIN), IrDA encoding/decoding, and synchronous SPI; USCI_B0 supports SPI and I²C. The ADC10 includes a data transfer controller (DTC) for autonomous sampling-to-memory transfers without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and 62.5-ns instruction cycle time |
| Flash Memory | 8KB + 256B program memory with security fuse and bootloader support |
| RAM | 512B on-chip SRAM with retention in LPM4 mode |
| ADC Resolution & Speed | 10-bit SAR ADC with 200-ksps sampling rate, 12-channel input, internal reference, and DTC |
| Power Consumption | 270 µA active @ 1 MHz/2.2 V; 0.7 µA standby; 0.1 µA off-mode (RAM retention) |
| Clock Sources | Internal DCO (calibrated to ±1%), 32-kHz crystal, HF crystal ≤16 MHz, external resistor, or digital clock source |
| Operating Voltage | 1.8 V to 3.6 V supply range with integrated brownout detector |
Pinout & Package
Package: 38-pin Thin Shrink Small-Outline Package (TSSOP), DA suffix, body size 9.7 mm × 4.4 mm, 0.65 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 / TEST/SBWTCK | Spy-Bi-Wire test clock input | Enables programming and debugging via 2-wire interface; no JTAG pins required |
| 6 / RST/NMI/SBWTDIO | Reset/nonmaskable interrupt/test data I/O | Active-low reset with NMI capability; bidirectional data line for Spy-Bi-Wire |
| 7–10, 14–19, 25–26, 30–38 / P1.x–P4.x | General-purpose I/O with peripheral multiplexing | 32 total GPIO pins with timer capture/compare, ADC input, USCI signals, and interrupt capability |
| 2 / DVCC, 38–39 / DVCC | Digital supply voltage | Primary power rail for core logic and digital peripherals (1.8–3.6 V) |
| 4 / XOUT/P2.7, 5 / XIN/P2.6 | Crystal oscillator terminals | Supports low-frequency (32 kHz) or high-frequency (≤16 MHz) crystal operation |
| 15 / AVCC, 13 / AVSS | Analog supply and ground | Isolated analog domain for ADC and reference circuitry; requires separate filtering |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Sub-1 µs wake-up from standby mode; five software-selectable low-power modes (LPM0–LPM4) |
| Integrated analog subsystem | 10-bit ADC10 with internal reference, sample-and-hold, autoscan, and DTC for zero-CPU data movement |
| Dual 16-bit timers | Timer_A3 (3 capture/compare registers) and Timer_B3 (3 capture/compare + shadow registers) for precise timing and PWM |
| Flexible communication interfaces | USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C) with independent clock domains and error detection |
| On-chip emulation | Embedded Emulation Module (EEM) with 2 breakpoint units and Spy-Bi-Wire interface for full-speed debugging |
Applications
| Wireless Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and pressure data for periodic BLE transmission. IC Role / Device Role / Timing Role: Central MCU managing ADC sampling, data preprocessing, low-power sleep scheduling, and UART-to-radio handoff. Use Value: 0.7 µA standby current extends coin-cell life beyond 5 years; DTC automates 12-channel ADC reads without waking CPU. |
Use Scenario: Handheld pulse oximeter acquiring analog photodiode signals and driving LED drivers with precise timing. IC Role / Device Role / Timing Role: Signal acquisition controller synchronizing ADC conversions, LED modulation via Timer_B PWM, and display update via SPI. Use Value: Integrated 10-bit ADC with internal reference eliminates external precision references; 16-MHz DCO enables accurate LED timing control. |
| Industrial Data Logger | Smart Meter Sensor Interface |
Use Scenario: DIN-rail mounted device logging voltage, current, and energy parameters at 1-second intervals over 10-year deployment. IC Role / Device Role / Timing Role: Primary data acquisition engine interfacing with isolation amplifiers and storing timestamped samples in flash. Use Value: Brownout detector prevents corrupted writes during brownout events; 8KB flash supports firmware + 1 month of raw sensor logs. |
Use Scenario: Sub-metering module measuring AC line parameters using shunt-based current sensing and transformer-coupled voltage inputs. IC Role / Device Role / Timing Role: Isolated analog front-end controller performing synchronized dual-channel sampling and RMS calculation. Use Value: 12 ADC input channels enable simultaneous voltage/current/phase measurements; USCI_B0 I²C connects to isolated energy metering IC. |
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 |
|---|---|---|---|
| MSP430F2252IDA | 16KB+256B flash, same 512B RAM, identical peripherals and pinout | Supports larger firmware images and complex sensor fusion algorithms | Select when firmware size exceeds 8KB or future scalability is required |
| MSP430G2553IPW28 | 20-pin TSSOP, 16KB flash, 512B RAM, no Timer_B, USCI_A only, no DCO calibration | Limited I/O count and peripheral set; lower cost but reduced timing flexibility | Choose for cost-sensitive, low-pin-count designs where Timer_B and dual USCI are unnecessary |
Compared with MSP430F2252IDA, the MSP430F2232IDA offers identical low-power performance and peripheral integration at lower flash cost; versus MSP430G2553IPW28, it delivers full Timer_B functionality, dual USCI, and factory-calibrated DCO - critical for precision timing and multi-interface sensor hubs.
Availability
MSP430F2232IDA is available at Aetrix Electronics and suitable for wireless sensor nodes, portable medical monitors, and industrial data loggers requiring stable component supply, long-term lifecycle assurance, and TI-qualified production traceability.
Supply support for MSP430F2232IDA 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 energy efficiency and system-level innovation.
The MSP430F2232IDA belongs to the MSP430F2xx ultra-low-power microcontroller family, designed specifically for battery-operated measurement and sensing applications demanding sub-microamp standby current and fast wake-up response.
FAQ
What is the maximum operating frequency of the MSP430F2232IDA?
The MSP430F2232IDA supports a maximum system clock (MCLK) frequency of 16 MHz, achievable using the internal digitally controlled oscillator (DCO) with factory calibration to ±1% accuracy across four frequencies, or via external HF crystal up to 16 MHz. This enables high-speed ADC sampling and real-time signal processing while maintaining ultra-low power consumption in active mode.
Does the MSP430F2232IDA include operational amplifiers?
No, the MSP430F2232IDA does not include operational amplifiers. Operational amplifiers are exclusive to the MSP430F22x4 series (e.g., MSP430F2234IDA). The MSP430F2232IDA belongs to the F22x2 family and provides only the core mixed-signal peripherals: 10-bit ADC10, dual 16-bit timers, and dual USCI modules - without integrated op-amps.
What debug interface does the MSP430F2232IDA support?
The MSP430F2232IDA supports the Spy-Bi-Wire (SBW) interface using pins TEST/SBWTCK (Pin 1) and RST/NMI/SBWTDIO (Pin 6). This 2-wire protocol replaces full JTAG, reducing PCB footprint and debug connector complexity while enabling full-speed programming, breakpoints, and real-time variable inspection via tools like MSP-FET430UIF and Code Composer Studio.
How many ADC input channels does the MSP430F2232IDA support?
The MSP430F2232IDA supports 12 analog input channels (A0–A7, A12–A15) for its 10-bit ADC10 module. Channels A0–A7 map directly to P2.0–P2.3 and P3.6–P3.7; A12–A15 map to P4.3–P4.6. All channels are accessible in autoscan mode, and the integrated Data Transfer Controller (DTC) enables automatic result storage without CPU involvement.
Is the MSP430F2232IDA pin-compatible with other MSP430F22x2 variants?
Yes, the MSP430F2232IDA is fully pin-compatible with all other MSP430F22x2 devices in the 38-pin TSSOP (DA) package, including MSP430F2252IDA and MSP430F2272IDA. They share identical pin functions, electrical characteristics, and package dimensions - allowing direct substitution within the same footprint when flash/RAM requirements align.
MSP430F2232IDA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 38-TSSOP (0.240", 6.10mm Width)
- Series:
- MSP430F2xx
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 32
- Program Memory Size:
- 8KB (8K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2232IDA FAQ
1.How can I place an order for MSP430F2232IDA through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2232IDA 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 MSP430F2232IDA reliable?
The price and inventory of MSP430F2232IDA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2232IDA is usually 5 days.
3.What payment methods are accepted for MSP430F2232IDA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2232IDA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2232IDA?
MSP430F2232IDA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2232IDA 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 MSP430F2232IDA?
For technical support, including MSP430F2232IDA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2232IDA requirements.
6.How does Aetrix verify that MSP430F2232IDA is sourced from the original manufacturer or authorized distributors?
All MSP430F2232IDA 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 MSP430F2232IDA meets industry standards.
7.What is the process for return or replacement of MSP430F2232IDA?
All MSP430F2232IDA units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2232IDA, 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 MSP430F2232IDA part is unused and in its original packaging.
Return procedure for MSP430F2232IDA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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