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Texas Instruments MSP430FR5859IDA
- Part No.:
- MSP430FR5859IDA
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 38-TSSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430FR5859IDA.pdf
- Description:
- IC MCU 16BIT 64KB FRAM 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,571
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Product details
Overview
MSP430FR5859IDA from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller in 38-pin TSSOP package, featuring 64KB FRAM, 2KB RAM, 12-bit ADC with 14 external channels, RTC with calendar/alarm, and dual eUSCI modules (UART/IrDA/SPI + I²C/SPI). It targets energy-constrained sensor nodes and metering applications requiring nonvolatile memory endurance and sub-µA LPM3.5 operation.
For engineers reviewing the MSP430FR5859IDA datasheet, MSP430FR5859IDA pinout, MSP430FR5859IDA application, or MSP430FR5859IDA equivalent, key selection criteria include HFXT oscillator support (HFXIN/HFXOUT), 38-pin TSSOP footprint, 64KB FRAM write endurance (10¹⁵ cycles), real-time clock with 0.25 µA LPM3.5 current, and UART/I²C bootloader capability.
Technical Context
The MSP430FR5859IDA implements the ULP CPUXV2 core with 16 registers and integrates a flexible clock system including DCO (10 factory-trimmed frequencies), VLO, and high-frequency crystal oscillator (HFXT) - confirmed by HFXIN/HFXOUT pins on pins 37–38. Its memory architecture unifies program, data, and storage in 64KB FRAM, eliminating erase-before-write overhead.
Peripherals include two eUSCI_A modules supporting UART with automatic baud-rate detection and IrDA, one eUSCI_B for I²C with multiple slave addressing and SPI, five 16-bit timers (TA0–TA3, TB0), 32-bit hardware multiplier, and 3-channel DMA - all accessible via multiplexed I/O ports with capacitive touch capability and edge-selectable LPM wakeup.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2, up to 16 MHz clock - enables deterministic real-time control with low code footprint |
| FRAM Capacity | 64 KB nonvolatile memory - supports instant writes, 10¹⁵ write cycles, and unified memory space for code/data/log |
| RAM Size | 2 KB SRAM - sufficient for stack, buffers, and real-time variables during active mode |
| ADC Resolution | 12-bit SAR ADC with 14 external input channels - delivers 1.2 mV LSB at 2.5 V reference for precision sensor interfacing |
| LPM3.5 Current | 0.25 µA typical - enables years of battery life in RTC-calendar applications with periodic wakeups |
| Package Type | TSSOP-38 (12.5 mm × 6.2 mm) - surface-mount compatible with standard reflow, no thermal pad required |
| Crystal Support | HFXT only (HFXIN/HFXOUT on pins 37/38) - provides accurate timing for communication and sampling without LFXT circuitry |
Pinout & Package
The MSP430FR5859IDA is housed in a 38-pin Thin Shrink Small Outline Package (TSSOP) with 0.65 mm pitch, body size 12.5 mm × 6.2 mm, and exposed pad not present - suitable for cost-sensitive industrial PCBs with standard assembly processes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0.1/DMAE0/A0/C0/VREF-/VeREF- | Multi-function I/O | Primary ADC channel A0 input; TA0 capture/compare; DMA trigger source; negative reference output/input |
| P1.1/TA0.2/TA1CLK/COUT/A1/C1/VREF+/VeREF+ | Multi-function I/O | ADC channel A1 input; comparator output; positive reference output/input; TA0/TA1 clock source |
| P3.0–P3.3/A12–A15/C12–C15 | Analog I/O | Four dedicated ADC inputs (A12–A15) with integrated comparator inputs (C12–C15) |
| PJ.6/HFXIN & PJ.7/HFXOUT | Crystal Interface | Dedicated high-frequency crystal oscillator terminals - enable precise 4–24 MHz system timing |
| RST/NMI/SBWTDIO | Reset & Debug | Active-low reset with NMI capability; 2-wire Spy-Bi-Wire debug interface for programming and emulation |
| TEST/SBWTCK | Debug Clock | Spy-Bi-Wire test clock input - required for JTAG-style debugging and firmware loading |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 64KB unified memory with 125 ns write speed and 10¹⁵ endurance - eliminates flash wear-out in frequent logging |
| Ultra-Low-Power Modes | LPM3.5 draws 0.25 µA with RTC active - enables decade-scale battery life in calendar-based wakeups |
| Hardware Acceleration | 32-bit hardware multiplier and 3-channel DMA - offloads math-intensive tasks from CPU, reducing active time |
| Capacitive Touch I/O | All GPIO pins support CTSI without external components - simplifies user interface design in wearables and meters |
| Bootloader (BSL) | Hardware UART and I²C BSL - allows field firmware updates over serial bus without debugger hardware |
Applications
| Smart Utility Metering | Energy-Harvested Sensor Node |
|---|---|
Use Scenario: Gas/water/electricity meter with pulse counting, temperature compensation, and tamper detection. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing FRAM-based consumption logs, and maintaining RTC calendar for billing cycles. Use Value: 64KB FRAM stores 10+ years of hourly consumption data; 0.25 µA LPM3.5 extends lithium primary battery life beyond 15 years. | Use Scenario: Wireless environmental sensor (temp/humidity/pressure) powered by solar cell or thermoelectric generator. IC Role / Device Role / Timing Role: System-on-chip managing analog sensing, low-power sleep scheduling, and RF transmission timing via eUSCI_A UART. Use Value: HFXT ensures accurate ADC sampling clocks; FRAM enables reliable data buffering during intermittent power availability. |
| Wearable Health Monitor | Industrial Data Logger |
Use Scenario: Optical heart rate monitor with photodiode front-end and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Analog signal conditioner (ADC + comparator), motion-triggered wake controller, and BSL-updatable firmware host. Use Value: All-GPIO capacitive touch supports buttonless UI; 2KB RAM accommodates real-time PPG processing buffers. | Use Scenario: DIN-rail mounted logger capturing vibration, voltage, and temperature in factory equipment. IC Role / Device Role / Timing Role: Standalone data acquisition unit with timestamped FRAM storage and scheduled USB/UART dump. Use Value: 10¹⁵ FRAM write cycles withstand 1000 samples/sec for >30 years; eUSCI_B I²C interfaces to external EEPROM or sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power FRAM microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR5859IRHA | 40-pin VQFN (6 mm × 6 mm) with identical FRAM/RAM/peripherals but different pinout and thermal pad | Preferred for space-constrained PCBs needing better thermal dissipation; requires re-layout due to QFN footprint | Select when board area is critical and thermal performance matters more than TSSOP assembly simplicity |
| MSP430FR5849IDA | Same 38-pin TSSOP package but LFXT-only (LFXIN/LFXOUT instead of HFXIN/HFXOUT); 14 ADC channels retained | Better suited for sub-1 MHz timing applications (e.g., basic RTC, slow polling); lacks HFXT for high-speed comms or precise sampling | Select when high-frequency crystal timing is unnecessary and lower BOM cost is prioritized |
Compared with MSP430FR5859IRHA and MSP430FR5849IDA, the MSP430FR5859IDA uniquely combines HFXT support in a leaded TSSOP package - enabling precise high-speed timing without QFN assembly complexity or LFXT frequency limitations.
Availability
MSP430FR5859IDA is available at Aetrix Electronics and suitable for smart utility metering, energy-harvested sensor nodes, and wearable health monitors requiring stable component supply across multi-year production cycles.
Supply support for MSP430FR5859IDA 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 and embedded processing solutions, with over 90 years of innovation in low-power design and mixed-signal integration.
The MSP430FR58xx family is engineered for ultra-low-power sensing and measurement applications, leveraging FRAM to eliminate flash endurance limits while maintaining MCU programmability and peripheral richness.
FAQ
What is the maximum operating frequency of the MSP430FR5859IDA?
The MSP430FR5859IDA supports a maximum system clock frequency of 16 MHz, achieved using the factory-trimmed DCO or an external high-frequency crystal (HFXT) connected to pins PJ.6/HFXIN and PJ.7/HFXOUT. This enables real-time processing of sensor data and communication protocols without compromising ultra-low-power operation in active mode.
Does the MSP430FR5859IDA include a real-time clock (RTC) module?
Yes, the MSP430FR5859IDA includes the RTC_B module with calendar and alarm functions. It operates in LPM3.5 mode at 0.25 µA typical current when clocked by the LFXT (not supported on this variant) or VLO. Note that RTC calibration output (RTCCLK) is available on P1.0, but full RTC functionality requires external 32-kHz crystal or internal VLO source.
How many analog input channels does the MSP430FR5859IDA ADC support?
The MSP430FR5859IDA features a 12-bit ADC12_B module with 14 external analog input channels (A0–A15, excluding A6 and A7), plus two internal references. This is confirmed in Table 3-1 and Section 4.2 of the datasheet, where A12–A15 map to P3.0–P3.3 and A0–A5 map to P1.0–P1.5 and P1.3–P1.5 respectively.
Is the MSP430FR5859IDA pin-compatible with other devices in the MSP430FR58xx family?
No, the MSP430FR5859IDA is not pin-compatible with 40-pin or 48-pin variants. Its 38-pin TSSOP (DA) package has a unique pinout - for example, HFXIN/HFXOUT occupy pins 37–38, whereas LFXT variants place LFXIN/LFXOUT on pins 1–2. Migration requires PCB redesign and signal remapping.
What bootloader interfaces are supported by the MSP430FR5859IDA?
The MSP430FR5859IDA supports both hardware UART and I²C bootloaders (BSL). UART BSL uses P2.0 (BSLTX) and P2.1 (BSLRX); I²C BSL uses P1.6 (BSLSDA) and P1.7 (BSLSCL). These allow in-system firmware updates without JTAG hardware, using standard serial interfaces already present in end equipment.
MSP430FR5859IDA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 38-TSSOP (0.240", 6.10mm Width)
- Series:
- MSP430™ FRAM
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 31
- Program Memory Size:
- 64KB (64K 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 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR5859IDA FAQ
1.How can I place an order for MSP430FR5859IDA through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR5859IDA 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 MSP430FR5859IDA reliable?
The price and inventory of MSP430FR5859IDA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR5859IDA is usually 5 days.
3.What payment methods are accepted for MSP430FR5859IDA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR5859IDA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR5859IDA?
MSP430FR5859IDA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR5859IDA 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 MSP430FR5859IDA?
For technical support, including MSP430FR5859IDA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR5859IDA requirements.
6.How does Aetrix verify that MSP430FR5859IDA is sourced from the original manufacturer or authorized distributors?
All MSP430FR5859IDA 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 MSP430FR5859IDA meets industry standards.
7.What is the process for return or replacement of MSP430FR5859IDA?
All MSP430FR5859IDA units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR5859IDA, 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 MSP430FR5859IDA part is unused and in its original packaging.
Return procedure for MSP430FR5859IDA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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