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Texas Instruments MSP430FR2353TRHAT
- Part No.:
- MSP430FR2353TRHAT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
MSP430FR2353TRHAT.pdf
- Description:
- IC MCU 16BIT 16KB FRAM 40VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:250
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Product details
Overview
MSP430FR2353TRHAT from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller designed for sensor signal conditioning and industrial sensing applications. It features 16KB program FRAM, 512B data FRAM, 2KB RAM, 12-bit SAR ADC with 10 input channels, four Smart Analog Combo (SAC-L3) modules supporting configurable op-amp or DAC operation, and operates across –40°C to 105°C.
For engineers reviewing the MSP430FR2353TRHAT datasheet, MSP430FR2353TRHAT pinout, MSP430FR2353TRHAT application, or MSP430FR2353TRHAT equivalent, key selection criteria include its 40-pin VQFN package, integrated SAC analog flexibility, sub-µA LPM3.5 current (620 nA), and support for battery-powered smoke detectors, circuit breakers, and wired industrial transmitters.
Technical Context
The MSP430FR2353TRHAT implements a 16-bit RISC CPU with 24-MHz DCO+FLL clock system, programmable MCLK/SMCLK prescalers, and dual USCI_A (UART/IrDA/SPI) and USCI_B (SPI/I²C) interfaces. Its memory subsystem includes ECC-protected FRAM with 10¹⁵ write endurance and 20KB ROM library containing driver and FFT functions.
It integrates four SAC-L3 modules-each configurable as rail-to-rail OA with PGA gains (×1–×33), 12-bit reference DAC, or 12-bit voltage DAC-and two enhanced comparators with 100-ns and 1-µs response options. All SAC and comparator functions operate within the extended temperature range and support low-power wake-up from LPM3.5.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with constant generator; enables high code efficiency and deterministic real-time interrupt latency. |
| FRAM Capacity | 16KB program + 512B data FRAM; nonvolatile, fast write (no erase), radiation-resistant, supports data logging in harsh environments. |
| ADC Resolution & Channels | 12-bit SAR ADC with 10 external input channels; 200 ksps sample rate with internal 1.5/2.0/2.5-V references. |
| Smart Analog Combos | 4 × SAC-L3 modules; each supports OA, PGA (×1–×33), or 12-bit DAC modes-reducing external analog BOM count. |
| Low-Power Modes | LPM3.5 draws 620 nA (with SVS enabled, 32-kHz crystal); enables years of battery life in maintenance-free sensor nodes. |
| Operating Temperature | –40°C to 105°C; qualified for industrial-grade reliability in smoke detectors, circuit breakers, and optical modules. |
| Package & Pins | 40-pin VQFN (RHA); 36 GPIOs with interrupt capability on P1–P4; thermal pad must be connected to DVSS. |
Pinout & Package
Package: 40-pin VQFN (RHA), 6 mm × 6 mm, exposed thermal pad (to be connected to DVSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (P1.3) | UCB0SOMI / UCB0SCL / OA0+ / A3 | I²C slave data input or analog input channel 3; shared with SAC0 noninverting input for sensor front-end configuration. |
| 2 (P1.2) | UCB0SIMO / UCB0SDA / TB0TRG / OA0− / A2 / Veref− | I²C slave data output or analog input channel 2 with dedicated reference return; supports differential sensing with OA0. |
| 3 (P1.1) | UCB0CLK / ACLK / OA0O / COMP0.1 / A1 | Low-frequency clock input or analog output from SAC0; enables synchronized sampling or comparator hysteresis control. |
| 4 (P1.0) | UCB0STE / SMCLK / COMP0.0 / A0 / Veref+ | Chip-select for SPI or analog input channel 0 with reference voltage source; allows direct connection to resistive sensors. |
| 5 (DVCC) | Digital supply voltage | 1.8–3.6 V main power; requires 4.7–10 µF bulk + 0.1 µF ceramic decoupling per TI layout guidelines. |
| 6 (TEST/SBWTCK) | Spy-Bi-Wire clock | Debug interface clock; enables in-system programming and real-time debugging without JTAG pins. |
| 7 (RST/NMI/SBWTDIO) | Reset / NMI / debug I/O | Multi-function pin for reset assertion, non-maskable interrupt, and bidirectional Spy-Bi-Wire data communication. |
| 8 (DVSS) | Digital ground | Reference for all digital and analog modules; thermal pad must be soldered to this net for thermal and EMI performance. |
| 9 (P2.7) | TB0CLK / XIN | External low-frequency crystal input (32.768 kHz); connects to LFXT oscillator for RTC and LPM3 timing accuracy. |
| 10 (P2.6) | MCLK / XOUT | Crystal output for 32.768-kHz oscillator; completes external crystal circuit for precision timekeeping in sleep modes. |
Key Features
| Feature | Design Value |
|---|---|
| Four SAC-L3 modules | Each independently configurable as op-amp, PGA (×1–×33), or 12-bit DAC-enables flexible analog signal chain design without external ICs. |
| FRAM with ECC | 16KB program + 512B data FRAM with built-in error correction; eliminates flash wear-out concerns in frequent data-logging applications. |
| Ultra-low-power LPM3.5 | 620 nA typical current with 32-kHz crystal active; preserves RTC and backup memory while disabling CPU/peripherals for multi-year battery life. |
| Integrated 20KB ROM library | Pre-compiled driver libraries (GPIO, UART, I²C, ADC) and FFT routines; reduces firmware development time and flash usage. |
| Enhanced comparators | Two eCOMP modules: one with 100-ns response for fast overvoltage detection; one with 1.5-µA low-power mode for continuous monitoring. |
Applications
| Smoke and Heat Detectors | Sensor Transmitters |
|---|---|
Use Scenario: Standalone battery-powered detector requiring decade-long operation and self-diagnostics. IC Role / Device Role / Timing Role: Main controller executing smoke algorithm, managing CO/heat sensor ADC reads, driving alarm logic, and maintaining RTC-based event timestamps. Use Value: LPM3.5 current of 620 nA extends CR123A battery life beyond 10 years; FRAM enables secure, wear-free storage of calibration and fault logs. |
Use Scenario: Industrial 4–20 mA or HART transmitter for pressure/temperature sensors in hazardous areas. IC Role / Device Role / Timing Role: Signal conditioner and protocol handler-digitizing sensor outputs via 12-bit ADC, applying linearization in ROM library, and modulating analog output or digital HART bursts. Use Value: Four SAC modules replace discrete op-amps and DACs; 105°C rating ensures operation inside hot enclosures near process equipment. |
| Circuit Breakers | Optical Modules |
Use Scenario: DIN-rail mounted breaker with arc-fault detection, thermal overload monitoring, and trip-event logging. IC Role / Device Role / Timing Role: Real-time protector executing RMS current calculation (via ROM FFT), temperature compensation, and nonvolatile trip-history storage. Use Value: 24-MHz DCO+FLL provides precise timing for 50/60 Hz sampling; FRAM's 10¹⁵ endurance supports >100,000 trip-event records. |
Use Scenario: Small-form-factor SFP/XFP transceiver requiring bias control, temperature compensation, and digital diagnostics (DDM). IC Role / Device Role / Timing Role: Analog monitor and control unit-reading TEC current/voltage, laser bias, and module temperature via 10-channel ADC, then adjusting DAC outputs. Use Value: SAC-L3 modules generate precise bias voltages and offset corrections; compact 40-pin VQFN fits tight optical PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR2355TRHA | 32KB program FRAM, 4KB RAM, 12-channel ADC (vs. 10-channel), same SAC count and package. | Required where larger firmware image or more simultaneous analog channels are needed (e.g., multi-sensor fusion). | Select when additional FRAM/RAM headroom or full 12-channel ADC coverage is required; identical pinout and SAC functionality. |
| MSP430FR2153TRHA | No SAC modules; retains 12-bit ADC (10 ch), comparators, FRAM, but lacks programmable op-amp/DAC analog combos. | Suitable for simpler sensor readout without signal conditioning-e.g., basic temperature/humidity nodes with external amplification. | Choose only if SAC functionality is unnecessary; lower cost and reduced analog flexibility make it unsuitable for front-end conditioning tasks. |
Compared with MSP430FR2353TRHAT, the MSP430FR2355TRHA offers higher memory and ADC channel count for feature-rich designs, while the MSP430FR2153TRHA removes SAC entirely-making it a cost-optimized alternative only when on-chip analog signal chain flexibility is not required.
Availability
MSP430FR2353TRHAT is available at Aetrix Electronics and suitable for smoke detectors, circuit breakers, and optical modules requiring stable component supply across extended temperature and long-life battery operation.
Supply support for MSP430FR2353TRHAT 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 industrial, automotive, and consumer markets.
The MSP430FR235x product line targets ultra-low-power sensing and measurement applications-integrating FRAM, smart analog peripherals, and extended temperature operation to simplify robust, maintenance-free IoT edge node design.
FAQ
What is the maximum operating frequency of the MSP430FR2353TRHAT?
The MSP430FR2353TRHAT features a digitally controlled oscillator (DCO) with frequency-locked loop (FLL) that delivers up to 24 MHz system clock. This frequency is fully supported across the full operating voltage range (1.8–3.6 V) and temperature range (–40°C to 105°C), enabling real-time signal processing in demanding industrial applications.
Does the MSP430FR2353TRHAT support hardware debugging?
Yes, the MSP430FR2353TRHAT supports Spy-Bi-Wire (SBW) debugging via pins TEST/SBWTCK (Pin 6) and RST/NMI/SBWTDIO (Pin 7). This two-wire interface enables full in-circuit emulation, flash programming, and real-time variable inspection without requiring a full JTAG connector, reducing PCB footprint and BOM cost.
How many analog input channels does the MSP430FR2353TRHAT ADC support?
The MSP430FR2353TRHAT integrates a 12-bit SAR ADC with 10 external analog input channels (A0–A9), as confirmed in the Device Comparison table and functional block diagram. This is fewer than the 12-channel variant (MSP430FR2355), reflecting its optimized positioning for mid-complexity sensor nodes.
What is the purpose of the SAC-L3 modules in the MSP430FR2353TRHAT?
The four SAC-L3 modules in the MSP430FR2353TRHAT provide configurable analog signal chain functions-including rail-to-rail operational amplifier, programmable-gain amplifier (×1–×33), and 12-bit DAC-within a single chip. They eliminate the need for external op-amps, PGAs, or DACs in sensor front-end designs, reducing size, cost, and calibration complexity.
Is the thermal pad on the MSP430FR2353TRHAT package required to be connected?
Yes, the exposed thermal pad on the 40-pin VQFN (RHA) package of the MSP430FR2353TRHAT must be electrically and thermally connected to DVSS. TI explicitly states this in the pin diagram notes and recommends soldering the pad to a solid ground plane to ensure proper thermal dissipation and EMI suppression during high-speed analog or RF-adjacent operation.
MSP430FR2353TRHAT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 40-VFQFN Exposed Pad
- Series:
- MSP430™ FRAM
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- I2C, IrDA, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 36
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 10x12b; D/A 4x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR2353TRHAT FAQ
1.How can I place an order for MSP430FR2353TRHAT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR2353TRHAT 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 MSP430FR2353TRHAT reliable?
The price and inventory of MSP430FR2353TRHAT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR2353TRHAT is usually 5 days.
3.What payment methods are accepted for MSP430FR2353TRHAT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR2353TRHAT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR2353TRHAT?
MSP430FR2353TRHAT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR2353TRHAT 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 MSP430FR2353TRHAT?
For technical support, including MSP430FR2353TRHAT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR2353TRHAT requirements.
6.How does Aetrix verify that MSP430FR2353TRHAT is sourced from the original manufacturer or authorized distributors?
All MSP430FR2353TRHAT 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 MSP430FR2353TRHAT meets industry standards.
7.What is the process for return or replacement of MSP430FR2353TRHAT?
All MSP430FR2353TRHAT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR2353TRHAT, 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 MSP430FR2353TRHAT part is unused and in its original packaging.
Return procedure for MSP430FR2353TRHAT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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