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Texas Instruments MSP430FR5723IDAR
- Part No.:
- MSP430FR5723IDAR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 38-TSSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430FR5723IDAR.pdf
- Description:
- IC MCU 16BIT 8KB FRAM 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,245
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Product details
Overview
MSP430FR5723IDAR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 8KB FRAM nonvolatile memory, 1KB RAM, and a 16-channel analog comparator. It operates from 2 V to 3.6 V across –40°C to 85°C and supports real-time clock (RTC) with calendar/alarm in LPM3.5 at 1.5 µA, targeting battery-powered sensor management and data acquisition systems.
For engineers reviewing the MSP430FR5723IDAR datasheet, MSP430FR5723IDAR pinout, MSP430FR5723IDAR application, or MSP430FR5723IDAR equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), integrated RTC with crystal support, dual eUSCI modules (UART/I²C/SPI), and low-power mode current specs - especially LPM4.5 shutdown at 0.32 µA.
Technical Context
The MSP430FR5723IDAR implements the MSP430 CPUXV2 core with 16-bit RISC architecture, factory-trimmed DCO up to 8 MHz, and seven low-power modes optimized for extended battery life. Its FRAM replaces both flash and RAM, enabling unified memory space with ECC and MPU protection.
Peripherals include three 16-bit timers (Timer_A ×2, Timer_B ×3), 10-bit ADC10_B (12 external + 2 internal channels, 200 ksps), hardware multiplier, 3-channel DMA, and dual eUSCI modules: eUSCI_A0/A1 support UART/IrDA/SPI; eUSCI_B0 supports I²C/SPI. The device lacks on-chip ADC input channels beyond A0–A5 and CD0–CD5 per package constraints.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit MSP430 CPUXV2, RISC, up to 8-MHz operation |
| Nonvolatile Memory | 8KB FRAM with 10¹⁵ write endurance, ECC, and MPU |
| RAM | 1KB SRAM for volatile data and stack operations |
| ADC | 10-bit ADC10_B with 6 external analog inputs (A0–A5), 200 ksps sampling at 100 µA |
| Comparator | 16-channel Comparator_D with programmable hysteresis and internal voltage reference |
| Low-Power Modes | LPM3.5 (RTC + crystal): 1.5 µA typical; LPM4.5 (shutdown): 0.32 µA typical |
| eUSCI Peripherals | eUSCI_A0/A1: UART/IrDA/SPI; eUSCI_B0: I²C/SPI - no hardware UART bootloader (BSL) on this variant |
Pinout & Package
Package: TSSOP-38 (DA), 12.5 mm × 6.2 mm body, exposed thermal pad recommended to be connected to DVSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0.1/DMAE0/RTCCLK/A0*/CD0/VeREF- | Digital I/O / Timer A0 capture / RTC calibration output / ADC input / Comparator input | Primary RTC clock source pin; supports wake-up from LPMx.5; VeREF- only active when ADC enabled |
| P1.1/TA0.2/TA1CLK/CDOUT/A1*/CD1/VeREF+ | Digital I/O / Timer A0 compare / Timer A1 clock / Comparator output / ADC reference input | Configurable as ADC reference input (VeREF+); enables differential ADC measurements with P1.0 |
| P1.4/TB0.1/UCA0STE/A4*/CD4 | Digital I/O / Timer B0 capture / eUSCI_A0 SPI slave transmit enable / ADC input / Comparator input | Enables synchronous SPI slave operation on eUSCI_A0; also serves as analog input channel A4 |
| P2.5/TB0.0/UCA1TXD/UCA1SIMO | Digital I/O / Timer B0 capture / eUSCI_A1 UART TX / SPI master out | Primary serial transmit path for UART or SPI; supports automatic baud-rate detection in UART mode |
| P2.6/TB1.0/UCA1RXD/UCA1SOMI | Digital I/O / Timer B1 capture / eUSCI_A1 UART RX / SPI master in | Primary serial receive path; supports IrDA encoding/decoding when paired with P2.5 |
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire data I/O | Single-pin debug interface for programming and debugging; asserts reset on falling edge |
Key Features
| Feature | Design Value |
|---|---|
| FRAM memory architecture | Eliminates erase-before-write; enables atomic writes and instant nonvolatile storage without wear leveling overhead |
| Real-time clock with crystal support | Operates in LPM3.5 using 32-kHz LFXT crystal for calendar/timekeeping at 1.5 µA - critical for long-life battery nodes |
| Integrated memory protection unit (MPU) | Prevents accidental code execution from data regions and unauthorized access to protected FRAM segments |
| Dual eUSCI modules | eUSCI_A0/A1 provide independent UART/IrDA/SPI; eUSCI_B0 adds I²C - enabling simultaneous sensor (I²C) and host (UART) communication |
| Ultra-low-power comparator array | 16-channel Comparator_D with programmable hysteresis allows threshold-based wake-up without CPU involvement, reducing system power |
Applications
| Smart Sensor Node | Industrial Data Logger |
|---|---|
Use Scenario: Battery-powered temperature/humidity node transmitting readings every 5 minutes via UART to gateway. IC Role / Device Role / Timing Role: Main controller executing sensor polling, RTC-triggered wake-up, FRAM-based data buffering, and UART transmission. Use Value: 1.5 µA RTC current extends 250-mAh coin cell life to >10 years; FRAM enables reliable logging during brownout events. |
Use Scenario: Standalone environmental logger recording analog sensor outputs hourly to local storage. IC Role / Device Role / Timing Role: System-on-chip managing ADC sampling, timestamping via RTC, and storing results in FRAM before periodic USB upload. Use Value: 8KB FRAM stores >10,000 timestamped samples; 10¹⁵ write cycles eliminate flash wear-out concerns over 15+ year deployments. |
| Security Keypad Interface | Home Automation Controller |
Use Scenario: Low-power keypad scanning 16 keys with debounce and tamper detection. IC Role / Device Role / Timing Role: Real-time key scan controller using Comparator_D inputs for fast edge detection and GPIO interrupts. Use Value: Comparator_D's programmable hysteresis rejects noise-induced false triggers; LPM4.5 (0.32 µA) enables multi-year operation on button cell. |
Use Scenario: Central hub coordinating Zigbee/Z-Wave sensors and controlling relays via I²C and GPIO. IC Role / Device Role / Timing Role: Bridge MCU handling protocol translation, scheduling, and local decision logic between wireless radios and peripherals. Use Value: Dual eUSCI modules allow concurrent I²C peripheral control and UART radio interface - no software arbitration required. |
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 |
|---|---|---|---|
| MSP430FR5725IDAR | 16KB FRAM, 12 external ADC channels, 32-pin RHA package | Higher memory and ADC channel count suits complex sensor fusion or firmware-over-the-air updates | Select when >8KB program/data storage or additional analog inputs are required |
| MSP430FR5724IRGER | 8KB FRAM, 24-pin VQFN, 10-channel Comparator_D, no RTC crystal pins (LFXT) | Smaller footprint and lower pin count; lacks RTC crystal support - limited to VLO-based timing | Choose for space-constrained designs where crystal-based RTC is unnecessary |
Compared with MSP430FR5725IDAR, the MSP430FR5723IDAR trades FRAM capacity and ADC channels for cost and pin-count efficiency; versus MSP430FR5724IRGER, it retains full RTC crystal capability and larger TSSOP package for easier prototyping and thermal management.
Availability
MSP430FR5723IDAR is available at Aetrix Electronics and suitable for smart sensor node, industrial data logger, security keypad interface, and home automation controller applications requiring stable component supply and long-term manufacturability.
Supply support for MSP430FR5723IDAR 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 reliability.
The MSP430FR57xx family targets ultra-low-power sensing and system management in building automation, smart grid, and industrial designs - leveraging FRAM to eliminate flash write delays and extend battery life.
FAQ
What is the maximum operating frequency of the MSP430FR5723IDAR?
The MSP430FR5723IDAR features a factory-trimmed DCO oscillator supporting up to 8 MHz operation. This frequency is achievable across the full supply range (2 V to 3.6 V) and temperature range (–40°C to 85°C), enabling deterministic real-time performance for time-critical sensor sampling and communication tasks within the MSP430FR5723IDAR's power budget.
Does the MSP430FR5723IDAR support crystal-based real-time clock operation?
Yes, the MSP430FR5723IDAR supports crystal-based RTC operation using the LFXT oscillator with a 32-kHz crystal connected to PJ.4/XIN and PJ.5/XOUT. In LPM3.5 mode, this configuration achieves 1.5 µA typical current consumption while maintaining calendar and alarm functionality - a key capability confirmed in the SLASE35C datasheet for the MSP430FR5723IDAR.
How many analog input channels does the MSP430FR5723IDAR ADC support?
The MSP430FR5723IDAR integrates the ADC10_B module with six external analog input channels (A0 through A5), plus two internal references (temperature sensor and VMID). This is confirmed in Table 3-1 of the datasheet, which specifies "–" for ADC channels on MSP430FR5723 - indicating no additional external channels beyond the base A0–A5 set supported by the DA-package variant of the MSP430FR5723IDAR.
What debug interface does the MSP430FR5723IDAR use?
The MSP430FR5723IDAR uses the 2-wire Spy-Bi-Wire (SBW) interface via RST/NMI/SBWTDIO and TEST/SBWTCK pins for programming and debugging. This interface is fully compatible with MSP-FET430U40A and MSP-TS430RHA40A tools, and requires no external voltage - enabling in-system debug and flash programming directly through the MSP430FR5723IDAR's dedicated SBW pins.
Is hardware UART bootloader (BSL) available on the MSP430FR5723IDAR?
No, the MSP430FR5723IDAR does not include hardware UART bootloader (BSL) support. As documented in Section 1.1 of SLASE35C, BSL is explicitly listed under "MSP430FR5729, MSP430FR5728, MSP430FR5727, MSP430FR5726, MSP430FR5725" but omitted for MSP430FR5724/MSP430FR5723 variants. Bootloading must be implemented via SBW or custom firmware using eUSCI peripherals on the MSP430FR5723IDAR.
MSP430FR5723IDAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 38-TSSOP (0.240", 6.10mm Width)
- Series:
- MSP430™ FRAM
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 30
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR5723IDAR FAQ
1.How can I place an order for MSP430FR5723IDAR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR5723IDAR 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 MSP430FR5723IDAR reliable?
The price and inventory of MSP430FR5723IDAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR5723IDAR is usually 5 days.
3.What payment methods are accepted for MSP430FR5723IDAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR5723IDAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR5723IDAR?
MSP430FR5723IDAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR5723IDAR 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 MSP430FR5723IDAR?
For technical support, including MSP430FR5723IDAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR5723IDAR requirements.
6.How does Aetrix verify that MSP430FR5723IDAR is sourced from the original manufacturer or authorized distributors?
All MSP430FR5723IDAR 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 MSP430FR5723IDAR meets industry standards.
7.What is the process for return or replacement of MSP430FR5723IDAR?
All MSP430FR5723IDAR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR5723IDAR, 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 MSP430FR5723IDAR part is unused and in its original packaging.
Return procedure for MSP430FR5723IDAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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