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Texas Instruments MSP430F2234TRHAT
- Part No.:
- MSP430F2234TRHAT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
MSP430F2234TRHAT.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 40VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:250
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Product details
Overview
MSP430F2234TRHAT from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller featuring 8KB+256B flash, 512B RAM, dual operational amplifiers, 10-bit 200-ksps ADC with internal reference and autoscan, two 16-bit timers (Timer_A3 and Timer_B3), USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C), and 32 I/O pins - deployed in battery-powered sensor nodes and portable measurement systems.
For engineers reviewing the MSP430F2234TRHAT datasheet, MSP430F2234TRHAT pinout, MSP430F2234TRHAT application, or MSP430F2234TRHAT equivalent, this page delivers verified functional architecture, validated QFN-40 package terminal mapping, confirmed low-power operating modes (LPM0–LPM4), exact ADC channel count (12-channel), and precise op-amp configuration (OA0/OA1 with dedicated I/O routing).
Technical Context
The MSP430F2234TRHAT implements a 16-bit RISC CPU with seven addressing modes and constant generators for optimized code efficiency. Its clock system integrates a digitally controlled oscillator (DCO) enabling sub-1-µs wake-up from LPM4, plus selectable ACLK/SMCLK/MCLK sources including 32-kHz crystal, HF crystal up to 16 MHz, internal VLO, and external resistor.
Peripherals are memory-mapped and fully interrupt-capable: Timer_A3 supports three capture/compare registers with multiple clock inputs; Timer_B3 adds shadow registers and TBOUTH control; USCI modules support simultaneous UART auto-baud detection (LIN), IrDA encoding/decoding, and synchronous SPI/I²C; ADC10 includes data transfer controller (DTC) for autonomous conversion sequencing without CPU intervention.
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 at 16 MHz |
| Flash / RAM | 8KB + 256B flash memory with security fuse; 512B SRAM with retention in LPM3/LPM4 |
| ADC Performance | 10-bit, 200-ksps SAR ADC with 12 input channels, internal reference, sample-and-hold, autoscan, and DTC |
| Power Consumption | 270 µA active @ 1 MHz/2.2 V; 0.7 µA standby; 0.1 µA off-mode (RAM retention) |
| Operating Voltage | 1.8 V to 3.6 V supply range - enables direct coin-cell (e.g., CR2032) operation |
| Low-Power Modes | Five software-selectable modes (LPM0–LPM4); wake-up from LPM4 in <1 µs via DCO calibration |
| Package & Temp | 40-pin QFN (RHA), 6 × 6 mm body, exposed thermal pad; rated –40°C to +105°C |
Pinout & Package
Package: 40-pin QFN (RHA), 6 mm × 6 mm, 0.5 mm pitch, thermally enhanced bottom pad (DVSS-connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 / TEST/SBWTCK | Spy-Bi-Wire test clock input | Enables single-wire JTAG-style programming and debug; no external header required |
| 6 / RST/NMI/SBWTDIO | Reset/nonmaskable interrupt/test data I/O | Active-low reset with NMI capability; bidirectional SBW data line during programming |
| 7 / P2.0/ACLK/A0/OA0I0 | Multi-function I/O | ACLK output, ADC channel A0 input, OA0 inverting input - shared analog/digital path |
| 8 / P2.1/TAINCLK/SMCLK/A1/OA0O | Multi-function I/O | SMCLK output, Timer_A INCLK, ADC A1, OA0 output - critical for synchronized analog timing |
| 29 / P2.3/TA1/A3/VREF−/VeREF−/OA1I1/OA1O | Analog reference & op-amp node | Negative ADC reference input; OA1 inverting input and output - supports rail-to-rail buffer configuration |
| 30 / P2.4/TA2/A4/VREF+/VeREF+/OA1I0 | Analog reference & op-amp node | Positive ADC reference source/sink; OA1 non-inverting input - enables precision ratiometric sensing |
| 36 / P1.6/TA1/TDI/TCLK | Timer & debug I/O | Timer_A compare output TA1; JTAG TDI or Spy-Bi-Wire TCLK - dual-use pin reduces footprint |
| QFN Pad | Thermal & ground plane | Exposed copper pad; must be soldered to DVSS plane for thermal dissipation and EMI reduction |
Key Features
| Feature | Design Value |
|---|---|
| Dual configurable op-amps (OA0/OA1) | On-chip instrumentation-grade amplifiers with programmable gain, input routing (A0–A7), and output feedback paths - eliminates external signal-conditioning ICs |
| Integrated ADC with DTC | Autonomous 12-channel sampling and DMA-like data movement to RAM - frees CPU for real-time processing or sleep |
| Ultra-fast LPM4 wake-up | Sub-1-µs transition from 0.1 µA off-mode to full-speed operation using calibrated DCO - ideal for duty-cycled sensor polling |
| USCI_A0 LIN-compliant UART | Hardware auto-baudrate detection per ISO 9141-2 and SAE J2602 - enables robust automotive sub-network communication |
| Embedded Emulation Module (EEM) | Two hardware breakpoints and real-time trace support via MSP-FET430UIF - enables zero-intrusion debugging on live hardware |
| Four factory-trimmed DCO frequencies | ±1% accuracy at 1/8/12/16 MHz without external crystal - reduces BOM cost and board space for timing-critical applications |
Applications
| Portable Gas Sensor Node | Industrial Temperature Monitor |
|---|---|
Use Scenario: Battery-powered CO₂ sensor using NDIR optical detection with thermopile and reference photodiode. IC Role / Device Role / Timing Role: MSP430F2234TRHAT performs synchronized dual-channel ADC sampling, op-amp-based transimpedance amplification, LIN bus reporting, and ultra-low-power sleep scheduling. Use Value: Dual op-amps condition weak photodiode signals; 12-channel ADC captures reference/active channels simultaneously; LPM4 extends 2-year coin-cell life. |
Use Scenario: DIN-rail mounted RTD/thermistor logger with isolated RS-485 backhaul and local LCD display. IC Role / Device Role / Timing Role: MSP430F2234TRHAT executes 4-wire RTD excitation, ratiometric ADC conversion, I²C-driven display update, and USCI_B0 SPI-to-RS485 bridge control. Use Value: Internal VREF+/VREF− enables stable ratiometric measurements; OA0/OA1 provide precision current sourcing and buffer stages; 105°C rating ensures reliability in enclosure heat buildup. |
| Smart Water Meter Interface | Wireless Sub-GHz Sensor Hub |
Use Scenario: Ultrasonic flow meter with pulse-echo timing, magnetic tamper detection, and pulse-output billing interface. IC Role / Device Role / Timing Role: MSP430F2234TRHAT manages high-precision Timer_A3 capture for time-of-flight calculation, GPIO-based reed-switch monitoring, and open-collector pulse generation. Use Value: Three CCR registers enable simultaneous start/stop/capture; 16-bit resolution achieves ±10 ns timing accuracy; integrated brownout detector prevents EEPROM corruption during battery sag. |
Use Scenario: Battery-operated Zigbee/Thread edge node aggregating temperature/humidity/occupancy data before RF transmission. IC Role / Device Role / Timing Role: MSP430F2234TRHAT acts as sensor fusion engine: reads I²C sensors, processes data, triggers RF SoC wake-up via GPIO, and enters deep sleep between intervals. Use Value: 0.1 µA off-mode minimizes quiescent drain; USCI_B0 handles I²C sensor reads while CPU sleeps; OA0 buffers analog mic input for acoustic occupancy detection. |
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 |
|---|---|---|---|
| MSP430F2254TRHAT | 16KB+256B flash, same peripherals and pinout - no code size constraint for complex sensor algorithms | Required when firmware exceeds 8KB or needs future OTA update headroom | Select when >8KB application code or bootloader + application partitioning is needed |
| MSP430F2274TRHAT | 32KB+256B flash, 1KB RAM, identical peripheral set and QFN-40 package | Suitable for multi-protocol stacks (e.g., BLE + Zigbee coexistence) or large lookup tables | Choose when extended memory is mandatory and cost premium is acceptable |
Compared with MSP430F2254TRHAT and MSP430F2274TRHAT, the MSP430F2234TRHAT provides optimal balance of memory, analog integration, and power efficiency for cost-sensitive, single-function sensor endpoints - avoiding over-provisioned flash while retaining all critical op-amps, ADC, and communication interfaces.
Availability
MSP430F2234TRHAT is available at Aetrix Electronics and suitable for portable medical monitors, industrial process sensors, and smart utility metering requiring stable component supply across multi-year production cycles.
Supply support for MSP430F2234TRHAT 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 MSP430™ ultra-low-power MCU product line targets battery-operated and energy-harvesting applications where extended runtime, precision analog integration, and rapid wake-up response are essential design requirements.
FAQ
What is the maximum operating frequency of the MSP430F2234TRHAT?
The MSP430F2234TRHAT supports a maximum system clock (MCLK) of 16 MHz, achievable via HF crystal (up to 16 MHz), internal DCO (factory-trimmed to ±1% at 16 MHz), or external digital clock source. The CPU executes instructions at 62.5-ns cycle time at this rate, and all peripherals - including Timer_A3, Timer_B3, and USCI modules - operate synchronously at MCLK or derived clocks (SMCLK/ACLK).
Does the MSP430F2234TRHAT include hardware debug support?
Yes, the MSP430F2234TRHAT integrates an Embedded Emulation Module (EEM) supporting Spy-Bi-Wire (SBW) interface via pins TEST/SBWTCK (Pin 1) and RST/NMI/SBWTDIO (Pin 6). It enables full-speed debugging, two hardware breakpoints, and flash programming using TI's MSP-FET430UIF or compatible tools - no external JTAG header required.
How many analog input channels does the ADC10 module support on the MSP430F2234TRHAT?
The ADC10 module on the MSP430F2234TRHAT supports 12 analog input channels: A0 through A7 (P2.0, P2.1, P2.2, P2.3, P2.4, P3.6, P3.7), plus A12 through A15 (P4.3, P4.4, P4.5, P4.6). All channels are accessible via the same 10-bit SAR core with internal reference, sample-and-hold, autoscan, and Data Transfer Controller (DTC) for autonomous sequencing.
Can the operational amplifiers in the MSP430F2234TRHAT be used independently?
Yes, the MSP430F2234TRHAT includes two independent, fully configurable operational amplifiers (OA0 and OA1). Each has dedicated input pins (e.g., OA0I0/OA0I1/OA0I2/OA0I3) and output pins (OA0O, OA1O), with internal routing to ADC channels and GPIO. They support non-inverting, inverting, differential, and instrumentation configurations without external components.
What is the qualified temperature range for the MSP430F2234TRHAT?
The MSP430F2234TRHAT is qualified for operation from –40°C to +105°C ambient temperature. This extended industrial temperature grade is explicitly indicated by the "T" suffix in the part number and confirmed in Table 1 of the SLAS504G datasheet under the "–40°C to 105°C" ordering option row for RHA-package devices.
MSP430F2234TRHAT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 40-VFQFN Exposed Pad
- Series:
- MSP430F2xx
- Packaging:
- Tape & Reel (TR)
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2234TRHAT FAQ
1.How can I place an order for MSP430F2234TRHAT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2234TRHAT 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 MSP430F2234TRHAT reliable?
The price and inventory of MSP430F2234TRHAT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2234TRHAT is usually 5 days.
3.What payment methods are accepted for MSP430F2234TRHAT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2234TRHAT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2234TRHAT?
MSP430F2234TRHAT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2234TRHAT 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 MSP430F2234TRHAT?
For technical support, including MSP430F2234TRHAT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2234TRHAT requirements.
6.How does Aetrix verify that MSP430F2234TRHAT is sourced from the original manufacturer or authorized distributors?
All MSP430F2234TRHAT 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 MSP430F2234TRHAT meets industry standards.
7.What is the process for return or replacement of MSP430F2234TRHAT?
All MSP430F2234TRHAT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2234TRHAT, 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 MSP430F2234TRHAT part is unused and in its original packaging.
Return procedure for MSP430F2234TRHAT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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