Texas Instruments M430F5438AQGQWREP
- Part No.:
- M430F5438AQGQWREP
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 113-VFBGA
- Datasheet:
-
M430F5438AQGQWREP.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 113BGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
M430F5438AQGQWREP from Texas Instruments is an ultralow-power 16-bit RISC microcontroller designed for extended-battery-life portable measurement systems. It integrates 256 KB Flash, 16 KB RAM, a 12-bit ADC with 14 external + 2 internal channels, three 16-bit timers (TA0/TA1/TB0), four USCI modules supporting UART/IrDA/SPI/I²C, and operates across –55°C to 125°C in defense/aerospace applications.
For engineers reviewing the M430F5438AQGQWREP datasheet, M430F5438AQGQWREP pinout, M430F5438AQGQWREP application, or M430F5438AQGQWREP equivalent, key selection criteria include radiation-hardened extended-temperature operation, integrated LDO core regulation, real-time clock with alarm, DMA support, and wake-up from LPM4 in 3.5 µs.
Technical Context
The M430F5438AQGQWREP implements a unified clock system with FLL stabilization, DCO-based frequency synthesis up to 25 MHz, and independent ACLK/SMCLK/MCLK domains. Its CPUXV2 core includes 16 general-purpose registers, hardware multiplier, and constant generators enabling single-cycle register operations.
It features a flexible power management architecture with six low-power modes (LPM0–LPM4.5), programmable LDO output voltage, supply voltage supervision (SVS/SVM), and brownout detection - all optimized for deterministic wake-up latency and minimal active-mode current (230 µA/MHz at 8 MHz, 3.0 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with 16 registers and hardware multiplier for 32-bit operations |
| Memory | 256 KB Flash (with BSL and info memory sectors) + 16 KB RAM for code/data retention in LPM3/LPM4 |
| ADC | 12-bit SAR ADC12_A with autoscan, 200 kSPS, 14 external + 2 internal analog inputs |
| Timers | Timer_A0 (5 CC registers), Timer_A1 (3 CC registers), Timer_B0 (7 CC shadow registers) |
| Communication | 4× USCI modules: USCI_A0–A3 (UART/IrDA/SPI), USCI_B0–B3 (SPI/I²C) |
| Operating Range | –55°C to 125°C, qualified per MIL-PRF-38535 Class V for space-grade reliability |
| Power Modes | LPM4 draws 1.2 µA at 3.0 V; LPM4.5 draws 0.1 µA; wake-up from LPM3 in 3.5 µs (typical) |
Pinout & Package
Package: 100-pin PBGA (GQW), 9 × 9 mm, 0.8 mm pitch, RoHS-compliant, thermally enhanced for high-reliability aerospace mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI input / Spy-Bi-Wire data I/O | Active-low reset initiation; non-maskable interrupt source; JTAG/Spy-Bi-Wire debug interface |
| TEST/SBWTCK | Test mode select / Spy-Bi-Wire clock | Enables JTAG or Spy-Bi-Wire programming; required for BSL entry sequence |
| P1.0/TA0CLK/ACLK | Timer_A0 clock input / ACLK output | Configurable as timer clock source or divided ACLK output (÷1, ÷2, ÷4, ÷8, ÷16, ÷32) |
| P7.0/XIN & P7.1/XOUT | XT1 crystal oscillator terminals | Supports 32-kHz watch crystal for RTC; requires external load capacitors per layout guidelines |
| VCORE | Regulated core supply output | Internal LDO output (1.8 V typical); must connect only to recommended CVCORE capacitor - no external loading |
Key Features
| Feature | Design Value |
|---|---|
| Controlled Baseline & Extended Lifecycle | Single fabrication/assembly/test site with product-change notification and traceability for long-term program continuity |
| Integrated Power Management | Fully integrated LDO with programmable core voltage, SVS/SVM monitoring, and brownout protection |
| Real-Time Clock with Alarm | RTC_A module supports calendar mode, periodic interrupts, and alarm wakeup from LPM3/LPM4 |
| DMA Engine | Three-channel DMA enables zero-CPU-overhead peripheral-to-memory transfers (e.g., ADC → RAM) |
| Secure Bootloader | On-chip BSL with password-protected UART-based Flash/RAM programming via P1.1/P1.2 |
Applications
| Remote Sensor Node | Digital Motor Controller |
|---|---|
Use Scenario: Battery-powered environmental sensor node deployed in satellite subsystems for temperature, pressure, and radiation monitoring over 15+ year missions. IC Role / Device Role / Timing Role: Primary system controller executing sensor acquisition, calibration, telemetry formatting, and watchdog-managed fault recovery. Use Value: LPM4 current of 1.2 µA at 3.0 V extends battery life; RTC_A alarm triggers scheduled measurements without CPU wake-up overhead. | Use Scenario: Closed-loop motor control in radiation-tolerant actuation systems for spacecraft attitude adjustment mechanisms. IC Role / Device Role / Timing Role: Real-time PWM generation (via TB0 7-CC registers), encoder feedback processing (P2.4/RTCCLK, P2.7/ADC12CLK), and fault-safe shutdown coordination. Use Value: 3.5 µs wake-up from LPM3 ensures sub-millisecond response to overcurrent events; integrated ADC12_A enables direct analog current sensing. |
| Thermostat Control Unit | Hand-Held Diagnostic Meter |
Use Scenario: High-reliability cabin thermal management unit in military aircraft requiring operation from –55°C to 125°C under EMI stress. IC Role / Device Role / Timing Role: Analog front-end signal conditioning (ADC12_A), digital PID computation, and HVAC valve actuation via USCI_Bx I²C to external DACs. Use Value: Dual crystal support (XT1 + XT2) enables simultaneous RTC accuracy and high-speed SPI comms; SVS/SVM prevents erratic behavior during voltage transients. | Use Scenario: Portable field diagnostic tool for avionics maintenance, capturing analog waveforms and logging serial bus traffic (UART/I²C) in harsh environments. IC Role / Device Role / Timing Role: Multi-protocol bus sniffer (USCI_A0–A3 + USCI_B0–B3), waveform digitizer (ADC12_A autoscan), and USB-bridge host via UART-to-USB converter. Use Value: Four independent USCI modules allow concurrent UART logging and I²C device interrogation; 256 KB Flash stores firmware + calibration tables + captured logs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5438AMPZREP | Same core/peripherals but in 100-pin PQFP (PZ) package; lacks VCORE pin; different thermal profile and board-mounting constraints | Better suited for prototyping or legacy PCBs with through-hole or fine-pitch QFP footprints; lower thermal resistance in convection-cooled enclosures | Select when mechanical compatibility with existing PZ-layouts is required and GQW BGAs are not feasible. |
| MSP430F6638IPZ | Commercial-grade (–40°C to 85°C), adds LCD controller and USB PHY; no EP qualification or extended temp range | Applicable only in non-critical industrial or test equipment where radiation tolerance and –55°C operation are unnecessary | Choose only if LCD/USB integration offsets loss of space-grade reliability and extended temperature capability. |
Compared with MSP430F5438AMPZREP and MSP430F6638IPZ, the M430F5438AQGQWREP uniquely delivers radiation-tolerant PBGA packaging, guaranteed –55°C startup, and controlled baseline lifecycle - making it irreplaceable for mission-critical defense/aerospace deployments where component pedigree and long-term availability are mandatory.
Availability
M430F5438AQGQWREP is available at Aetrix Electronics and suitable for defense avionics, satellite subsystems, and medical radiation therapy controls requiring stable component supply across 15+ year production lifecycles.
Supply support for M430F5438AQGQWREP 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 deep heritage in low-power MCU innovation.
The MSP430F5438A-EP product line targets high-reliability applications in defense, aerospace, and medical systems - engineered for extended temperature operation, radiation tolerance, and long-term supply chain stability.
FAQ
What is the maximum operating frequency of the M430F5438AQGQWREP?
The M430F5438AQGQWREP supports a maximum system clock of 25 MHz via its FLL-controlled DCO. While high-frequency crystals up to 32 MHz are supported in documentation, the device's rated performance and timing specifications are guaranteed up to 25 MHz across the full –55°C to 125°C range. Operation above 25 MHz may compromise timing margins in extreme temperature conditions.
Does the M430F5438AQGQWREP include an integrated voltage regulator?
Yes, the M430F5438AQGQWREP integrates a fully regulated on-chip LDO that generates the VCORE supply (typically 1.8 V) from the DVCC input. This LDO is programmable and includes supply voltage supervision (SVS) and monitor (SVM) circuitry. The VCORE pin is for internal use only and must not be loaded externally - only the recommended decoupling capacitor is permitted.
How many analog input channels does the ADC12_A module support on the M430F5438AQGQWREP?
The ADC12_A module on the M430F5438AQGQWREP supports 16 total channels: 14 external analog inputs (A0–A15, excluding A10/A11 reserved) and 2 internal sources (temperature sensor and reference voltage). Channel mapping is fixed per pin designations in Table 2 of the SLAS967A datasheet, and autoscan mode allows sequential conversion without CPU intervention.
Can the M430F5438AQGQWREP be programmed in-system without external hardware?
Yes, the M430F5438AQGQWREP includes an on-chip Bootstrap Loader (BSL) accessible via UART using only four pins: RST/NMI/SBWTDIO, TEST/SBWTCK, P1.1 (TX), and P1.2 (RX). Programming requires a specific entry sequence on RST and TEST pins and a user-defined password. No external programmer is needed for field firmware updates once BSL is enabled and secured.
What debug interfaces are supported by the M430F5438AQGQWREP?
The M430F5438AQGQWREP supports both standard 4-wire JTAG (using PJ.0–PJ.3, RST, and TEST) and 2-wire Spy-Bi-Wire (SBW) protocols. SBW uses RST/NMI/SBWTDIO and TEST/SBWTCK, reducing pin count for debug access. Both interfaces enable full flash programming, real-time debugging, and boundary-scan testing - compatible with TI's MSP-FET and third-party JTAG/SBW tools.
M430F5438AQGQWREP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 113-VFBGA
- Series:
- MSP430F5xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 87
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
M430F5438AQGQWREP FAQ
1.How can I place an order for M430F5438AQGQWREP through Aetrix?
Please submit a Request for Quotation (RFQ) for M430F5438AQGQWREP 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 M430F5438AQGQWREP reliable?
The price and inventory of M430F5438AQGQWREP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M430F5438AQGQWREP is usually 5 days.
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Once your M430F5438AQGQWREP 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 M430F5438AQGQWREP?
For technical support, including M430F5438AQGQWREP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M430F5438AQGQWREP requirements.
6.How does Aetrix verify that M430F5438AQGQWREP is sourced from the original manufacturer or authorized distributors?
All M430F5438AQGQWREP 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 M430F5438AQGQWREP meets industry standards.
7.What is the process for return or replacement of M430F5438AQGQWREP?
All M430F5438AQGQWREP units undergo pre-shipment inspection (PSI). If there is an issue with M430F5438AQGQWREP, 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 M430F5438AQGQWREP part is unused and in its original packaging.
Return procedure for M430F5438AQGQWREP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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