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Texas Instruments MSP430F2370TRHAT
- Part No.:
- MSP430F2370TRHAT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
MSP430F2370TRHAT.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 40VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:766
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Product details
Overview
MSP430F2370TRHAT from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller featuring 32 KB + 256 B flash memory, 2 KB RAM, dual 16-bit timers (Timer_A3 and Timer_B3), a universal serial communication interface (USCI) supporting UART, IrDA, SPI, and I²C, and an on-chip analog comparator for slope A/D conversion. It operates from 1.8 V to 3.6 V and targets battery-powered portable measurement systems requiring sub-µA standby current.
For engineers reviewing the MSP430F2370TRHAT datasheet, MSP430F2370TRHAT pinout, MSP430F2370TRHAT application, or MSP430F2370TRHAT equivalent, key selection criteria include its -40°C to 105°C industrial temperature grade, 40-pin QFN (RHA) package, integrated DCO with four factory-calibrated frequencies (1/8/12/16 MHz), and ultra-fast wake-up (<1 µs) from LPM4 mode.
Technical Context
The MSP430F2370TRHAT implements a 16-bit CPU with seven addressing modes and 51 instructions, paired with a basic clock module supporting internal DCO, external crystal (32 kHz or up to 16 MHz), and resistor-based oscillation. Its power architecture enables six operating modes - Active, LPM0–LPM4 - with LPM4 consuming only 0.1 µA while retaining RAM.
Peripheral integration includes USCI_A0 (UART/IrDA/SPI) and USCI_B0 (SPI/I²C), a 16-bit Timer_A3 with three capture/compare registers and interrupt capability, and a 16-bit Timer_B3 with identical structure. The analog comparator supports battery monitoring and precision slope ADC without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 general-purpose registers and constant generators for optimized code efficiency |
| Flash / RAM | 32 KB + 256 B flash memory for firmware storage; 2 KB RAM for runtime variables and stack |
| Supply Voltage | 1.8 V to 3.6 V operation - compatible with single-cell Li-ion, two-cell alkaline, or regulated 3.3 V rails |
| Ultra-Low Power | Active mode: 270 µA at 1 MHz/2.2 V; Standby: 0.7 µA; Off mode (RAM retention): 0.1 µA |
| Wake-Up Time | <1 µs from LPM4 to active mode - enables rapid response to sensor interrupts in energy-constrained systems |
| Timers | Timer_A3 and Timer_B3, each with three capture/compare registers supporting PWM, input capture, and interval timing |
| Communication | USCI_A0 (UART/IrDA/SPI) and USCI_B0 (SPI/I²C) - dual independent serial interfaces for multi-protocol connectivity |
Pinout & Package
Package: 40-pin QFN (RHA), 6 mm × 6 mm, exposed thermal pad, RoHS-compliant, rated for -40°C to +105°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TACLK | Timer_A clock input / GPIO | Configurable as external clock source for Timer_A or general-purpose I/O with interrupt capability |
| P2.0/ACLK/CA2 | ACLK output / Comparator_A input | Provides auxiliary clock signal to peripherals; serves as analog input channel for comparator |
| P3.4/UCA0TXD/UCA0SIMO | USCI_A0 transmit data / SPI master out | Primary UART TX line; also functions as SPI data output in synchronous master mode |
| P4.6/TBOUTH/ACLK | Timer_B output high-impedance control / ACLK output | Switches all Timer_B PWM outputs to high-Z state; simultaneously routes ACLK to external circuitry |
| RST/NMI | Reset / non-maskable interrupt input | Hardware reset initiation point; also accepts NMI events for critical fault handling |
| TCK/TMS/TDI/TDO | JTAG debug interface signals | Supports full in-circuit emulation, programming, and boundary-scan testing via standard JTAG chain |
Key Features
| Feature | Design Value |
|---|---|
| Dual 16-bit timers with 3 CC registers each | Enables simultaneous PWM generation, input capture, and time-stamping across multiple sensors or actuators |
| Factory-calibrated DCO (1/8/12/16 MHz) | Eliminates need for external crystal in cost-sensitive designs while maintaining ±1% frequency accuracy |
| USCI_A0 + USCI_B0 dual serial modules | Allows concurrent UART debugging and I²C sensor communication without software multiplexing overhead |
| Comparator_A+ with slope A/D capability | Performs analog-to-digital conversion using internal timer and comparator - no external ADC required |
| Bootstrap loader (BSL) over UART | Enables field firmware updates via simple UART connection, protected by user-defined password |
| Brownout detector with POR | Ensures reliable reset and initialization during power ramp-up or brownout conditions down to 1.8 V |
Applications
| Smart Utility Metering | Portable Medical Sensors |
|---|---|
Use Scenario: Battery-operated gas/water meter with pulse counting, LCD display, and RF telemetry. IC Role / Device Role / Timing Role: Main system controller managing sensor interface, real-time clock, low-power sleep scheduling, and RF module handshaking. Use Value: 0.1 µA off-mode current extends 10-year battery life; dual USCI permits simultaneous UART diagnostics and SPI-driven RF IC control. |
Use Scenario: Wearable ECG patch with analog front-end, motion sensing, and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Signal acquisition controller performing slope ADC on amplified biopotentials and timestamping samples via Timer_A3. Use Value: Integrated comparator eliminates external ADC; <1 µs wake-up ensures timely response to arrhythmia-triggered interrupts. |
| Industrial Temperature Transmitter | Wireless Sensor Node |
Use Scenario: Loop-powered 4–20 mA transmitter for RTD/thermocouple readings in hazardous environments. IC Role / Device Role / Timing Role: Precision analog front-end manager interfacing with delta-sigma ADC, linearizing sensor data, and modulating 4–20 mA output. Use Value: Comparator_A+ enables ratiometric reference monitoring; 105°C rating supports operation in hot enclosures without derating. |
Use Scenario: Solar-powered environmental node measuring temperature, humidity, and light intensity with LoRaWAN uplink. IC Role / Device Role / Timing Role: Energy-harvesting coordinator managing duty-cycled sensing, data aggregation, and scheduled LoRa transmission bursts. Use Value: LPM4 + RAM retention allows deep sleep between measurements; USCI_B0 handles I²C sensor reads while USCI_A0 manages LoRa UART interface. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F2350TRHAT | 16 KB + 256 B flash, 2 KB RAM - 16 KB less program memory than MSP430F2370TRHAT | Suitable for simpler firmware with smaller code footprint; same peripherals and pinout | Select when application logic fits within 16 KB and cost optimization is prioritized |
| MSP430F247TRHAT | 32 KB + 256 B flash, 4 KB RAM, integrated hardware multiplier - adds 2 KB RAM and MPY peripheral | Better suited for math-intensive tasks (e.g., FFT, filtering); same package and core architecture | Choose when additional RAM or hardware multiply/accumulate operations are required |
Compared with MSP430F2350TRHAT, the MSP430F2370TRHAT provides double flash capacity for complex firmware or bootloader + application separation; versus MSP430F247TRHAT, it trades 2 KB RAM and hardware multiplier for lower unit cost in fixed-function embedded control.
Availability
MSP430F2370TRHAT is available at Aetrix Electronics and suitable for smart metering, portable medical devices, industrial transmitters, and wireless sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MSP430F2370TRHAT 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 decades of expertise in ultra-low-power design.
The MSP430F2370TRHAT belongs to the MSP430F23x0 series - engineered specifically for portable measurement and battery-powered instrumentation where nanowatt-level standby power and fast wake-up are critical system requirements.
FAQ
What is the maximum operating frequency of the MSP430F2370TRHAT?
The MSP430F2370TRHAT supports a maximum system clock (MCLK) of 16 MHz, achievable via its factory-calibrated digitally controlled oscillator (DCO) or external high-frequency crystal. This frequency is confirmed in the SLAS518E datasheet Section "Basic Clock Module Configurations" and enables instruction execution at 16 million cycles per second with 62.5-ns instruction cycle time. The MSP430F2370TRHAT maintains full functionality across its entire 1.8–3.6 V supply range at this speed.
Does the MSP430F2370TRHAT support in-system programming?
Yes, the MSP430F2370TRHAT supports in-system programming via three methods: JTAG interface (using MSP-FET430U23X0 or MSP-FET430UIF), UART-based bootstrap loader (BSL) with password protection, and CPU-controlled flash writes. All methods allow reprogramming without removing the device from the PCB. The BSL uses P1.1 (RX) and P2.2 (TX) pins and is documented in SLAU319. The MSP430F2370TRHAT does not require external programming voltage.
What are the key differences between MSP430F2370TRHAT and MSP430F2330TRHAT?
The MSP430F2370TRHAT features 32 KB + 256 B flash and 2 KB RAM, whereas the MSP430F2330TRHAT has only 8 KB + 256 B flash and 1 KB RAM. Both share identical peripherals (USCI_A0/B0, Timer_A3/B3, Comparator_A+, DCO calibration), pinout (RHA package), and temperature grade (-40°C to 105°C). The MSP430F2370TRHAT is functionally upward-compatible for applications needing larger firmware space or dual-application partitioning.
Can the MSP430F2370TRHAT operate without an external crystal?
Yes, the MSP430F2370TRHAT can operate entirely from its internal digitally controlled oscillator (DCO), which is factory-calibrated at 1, 8, 12, and 16 MHz with ±1% accuracy. No external crystal or resonator is required for basic operation. External crystals (32 kHz LF or up to 16 MHz HF) are optional for higher precision timing or RTC functionality. The MSP430F2370TRHAT's basic clock module automatically selects and stabilizes the DCO in under 1 µs.
What development tools are recommended for the MSP430F2370TRHAT?
Texas Instruments recommends the MSP-FET430U23X0 debugger for RHA-package devices, the MSP-TS430QFN23X0 target socket board, and the MSP-GANG430 production programmer. Software support includes Code Composer Studio v6+ and naken430loader for BSL-based flashing. All tools are validated for the MSP430F2370TRHAT and support full JTAG emulation, flash programming, and real-time debugging - essential for validating low-power modes and peripheral timing in the final MSP430F2370TRHAT design.
MSP430F2370TRHAT 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:
- 32KB (32K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- Slope A/D
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2370TRHAT FAQ
1.How can I place an order for MSP430F2370TRHAT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2370TRHAT 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 MSP430F2370TRHAT reliable?
The price and inventory of MSP430F2370TRHAT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2370TRHAT is usually 5 days.
3.What payment methods are accepted for MSP430F2370TRHAT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2370TRHAT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2370TRHAT?
MSP430F2370TRHAT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2370TRHAT 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 MSP430F2370TRHAT?
For technical support, including MSP430F2370TRHAT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2370TRHAT requirements.
6.How does Aetrix verify that MSP430F2370TRHAT is sourced from the original manufacturer or authorized distributors?
All MSP430F2370TRHAT 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 MSP430F2370TRHAT meets industry standards.
7.What is the process for return or replacement of MSP430F2370TRHAT?
All MSP430F2370TRHAT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2370TRHAT, 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 MSP430F2370TRHAT part is unused and in its original packaging.
Return procedure for MSP430F2370TRHAT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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