Texas Instruments MSP430F5254IZQE
- Part No.:
- MSP430F5254IZQE
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-VFBGA
- Datasheet:
-
MSP430F5254IZQE.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 80BGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MSP430F5254IZQE from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller designed as an "always-on" system controller with dual-supply voltage operation (DVCC: 1.8–3.6 V; DVIO: 1.62–1.98 V), 128 KB flash, 32 KB RAM, and four USCI_A/USCI_B modules supporting UART, SPI, and I²C. It delivers 290 µA/MHz active current at 8 MHz/3.0 V (flash execution) and wakes from LPM3 in 3.5 µs - enabling sensor hub and power-management applications in portable electronics.
For engineers reviewing the MSP430F5254IZQE datasheet, MSP430F5254IZQE pinout, MSP430F5254IZQE application, or MSP430F5254IZQE equivalent, key selection criteria include split-rail I/O compatibility (1.8-V DVIO rail), RTC-integrated standby mode (2.1 µA @ 2.2 V), four independent 16-bit timers (TA0/TA1/TA2/TB0), 10-bit ADC with internal reference, and MicroStar Junior™ BGA-80 package constraints.
Technical Context
The MSP430F5254IZQE implements a unified clock system with FLL stabilization, VLO and REFO internal sources, XT1 (32-kHz crystal), and XT2 (up to 32-MHz HF crystal). Its power management includes an integrated LDO with programmable core voltage and supply supervision with brownout detection.
It features three-channel DMA, hardware multiplier for 32-bit operations, comparator_B with eight channels, and a basic timer with RTC alarm capability. All 35 general-purpose I/Os are partitioned across DVCC (18 pins) and DVIO (35 pins) domains, with Schmitt-trigger inputs and configurable drive strength on both rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with extended memory addressing up to 25-MHz system clock |
| Memory | 128 KB flash (in-system programmable, no external VPP); 32 KB RAM (full retention in LPM3/LPM4) |
| Power Modes | LPM3 standby: 2.1 µA @ 2.2 V (RTC + watchdog + supervisor active); LPM4.5 shutdown: 0.18 µA @ 3.0 V |
| Analog Peripherals | 10-bit ADC10_A with 12 channels (10 external, 2 internal), sample-and-hold, internal reference; comparator_B with 8 channels |
| Serial Interfaces | Four USCI_A modules (UART/IrDA/SPI) + four USCI_B modules (I²C/SPI); supports concurrent 8 hardware serial links |
| Timers | TA0 (5 CC registers), TA1 (3 CC), TA2 (3 CC), TB0 (7 CC shadow registers) - all 16-bit with capture/compare/PWM |
| I/O Capability | Up to 35 GPIOs on DVIO rail (1.62–1.98 V), up to 18 on DVCC rail (1.8–3.6 V); 16 external interrupts supported |
Pinout & Package
MicroStar Junior™ BGA-80 package (5 mm × 5 mm, 0.5-mm pitch), ball-grid layout optimized for low-inductance power delivery and signal integrity in space-constrained portable designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DVIO | Low-voltage I/O supply rail | Provides 1.62–1.98 V to 35 GPIOs (P1.x–P4.x, P7.x, PJ.x) enabling direct interface with 1.8-V application processors without level shifters |
| DVCC | Main digital supply rail | Supplies core logic, flash, RAM, and 18 GPIOs (P5.x, P6.x, PJ.x); operates from 1.8–3.6 V for flexible power architecture |
| AVCC / AVSS | Analog supply and ground | Separate 3.0-V-tolerant analog domain for ADC, comparator, and crystal oscillator (XT1/XT2) - decouples noise-sensitive analog circuits |
| RST/NMI | Reset and non-maskable interrupt | Active-low reset input with Schmitt-trigger; supports NMI functionality for critical fault handling and wake-up from all low-power modes |
| P1.0–P1.7 | DVIO-domain GPIO with TA0CLK/ACLK | Configurable as timer clock source (ACLK), capture/compare inputs, or general I/O - enables precise timing and sensor synchronization |
| P2.2–P2.5 | UCB3SIMO/SOMI/CLK/STE | Dedicated I²C/SPI signals for USCI_B3 - supports isolated peripheral communication on DVIO rail without DVCC dependency |
| P3.0–P3.4 | UCB0SIMO/SOMI/CLK/UCA0TXD/RXD | Primary I²C (UCB0) and UART (UCA0) interface pins - routed to DVIO domain for low-voltage sensor connectivity |
| P4.0–P4.7 | PM_UCA1/UCB1 signals | Peripheral module-mapped USCI_A1/B1 functions - allows multiplexed serial expansion while preserving pin count |
| P5.4 / P5.5 | XIN / XOUT | Low-frequency 32-kHz crystal connections for RTC operation - requires external 32.768-kHz tuning fork crystal and load capacitors |
| P6.0–P6.7 | CB0–CB7 / A0–A7 | Comparator_B inputs and ADC10_A analog inputs - shared analog front-end for sensor signal conditioning and threshold detection |
Key Features
| Feature | Design Value |
|---|---|
| Dual-supply I/O architecture | Enables direct 1.8-V interface to APs/FPGAs while maintaining higher DVCC for performance-critical peripherals - eliminates external level translators |
| Ultra-low-power LPM3 with RTC | 2.1 µA @ 2.2 V with full RAM retention, crystal-based real-time clock, and fast 3.5-µs wake-up - ideal for battery-powered always-listening systems |
| Eight hardware serial interfaces | Four USCI_A + four USCI_B modules allow simultaneous I²C, SPI, and UART links - supports multi-sensor fusion without software bit-banging |
| 32 KB RAM capacity | Supports complex sensor aggregation algorithms (e.g., keyboard scan, motion fusion, power state prediction) without external memory |
| Integrated LDO with programmable VCORE | Reduces external component count and improves supply rejection; enables dynamic core voltage scaling to optimize active-mode efficiency |
| Hardware multiplier (MPY32) | Accelerates 32-bit arithmetic for filtering, FFT, and control loops - offloads CPU and reduces active time in power-critical firmware |
Applications
| Wearable Sensor Hub | Smartphone Power Management Unit |
|---|---|
Use Scenario: Aggregating data from accelerometer, gyroscope, and ambient light sensors in fitness trackers with continuous background monitoring. IC Role / Device Role / Timing Role: Always-on system controller executing sensor fusion algorithms, managing wake-up triggers, and buffering data before waking application processor. Use Value: 35 DVIO-rail I/Os enable direct connection to 1.8-V sensors; 2.1 µA LPM3 current extends battery life to >1 week on coin cell. | Use Scenario: Monitoring battery voltage, temperature, and charging status while application CPU remains powered down during idle periods. IC Role / Device Role / Timing Role: Dedicated power-management hub using ADC10_A and comparator_B to detect thresholds and initiate charge control via I²C to PMIC. Use Value: Dual-supply design allows 1.8-V I²C communication with PMIC while DVCC runs at 3.0 V for ADC accuracy - no level-shifter required. |
| Bluetooth LE Peripheral Controller | Industrial Data Logger |
Use Scenario: Acting as host controller for BLE sensor nodes, handling advertising, connection management, and GATT attribute updates. IC Role / Device Role / Timing Role: Real-time protocol stack executor with USCI_A0/A1 for UART debug and USCI_B0/B1 for BLE SoC interface. Use Value: Four USCI_A modules support UART logging, IrDA diagnostics, and two SPI links - enabling concurrent debug, update, and sensor comms. | Use Scenario: Recording environmental parameters (temperature, humidity, pressure) at fixed intervals in remote equipment with minimal maintenance. IC Role / Device Role / Timing Role: Autonomous logger using RTC_A alarm to trigger ADC sampling, store results in RAM, and transmit via UART upon schedule. Use Value: 128 KB flash stores firmware + 7+ days of 10-second interval logs; LPM4.5 (0.18 µA) enables 5-year operation on AA batteries. |
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 |
|---|---|---|---|
| MSP430F5255IZQE | Same package, flash, RAM, and peripherals; differs only in BSL type (I²C vs UART) | Requires I²C-based bootloader access instead of UART; identical runtime behavior and pinout | Select when system uses I²C for firmware updates and debugging infrastructure is already I²C-based |
| MSP430F5252IZQE | Same MicroStar Junior BGA-80 package but reduced RAM (16 KB), no ADC10_A, no comparator_B | Suitable for pure control/logic tasks without analog sensing; lacks sensor interface capability | Choose for cost-sensitive, digital-only applications where analog peripherals are unnecessary |
Compared with MSP430F5255IZQE, the MSP430F5254IZQE offers UART-based BSL for simpler host-side tooling, while versus MSP430F5252IZQE it adds full analog front-end and double RAM - making it optimal for sensor-rich, low-power embedded controllers requiring local data processing.
Availability
MSP430F5254IZQE is available at Aetrix Electronics and suitable for wearable sensor hubs, smartphone power management units, and industrial data loggers requiring stable component supply and long-term lifecycle support.
Supply support for MSP430F5254IZQE 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 MSP430F525x product line was engineered specifically for "always-on" ultra-low-power system controller roles - emphasizing split-rail I/O, RTC-enabled standby, and high peripheral integration to replace discrete power and sensor management ICs.
FAQ
What is the maximum operating frequency of the MSP430F5254IZQE?
The MSP430F5254IZQE supports a maximum system clock frequency of 25 MHz, enabled by its integrated FLL-controlled DCO and optional external HF crystal (XT2) up to 32 MHz. This allows high-speed execution of real-time sensor fusion or communication protocols while maintaining ultra-low active-mode current (290 µA/MHz at 8 MHz).
Does the MSP430F5254IZQE support crystal oscillators for real-time clock operation?
Yes, the MSP430F5254IZQE supports a 32.768-kHz watch crystal via P5.4 (XIN) and P5.5 (XOUT) pins for precision RTC operation in LPM3 mode. The crystal interface includes internal load capacitance and bias circuitry - external capacitors are required per TI design guidelines to ensure stable startup and low-current operation.
How many independent serial interfaces does the MSP430F5254IZQE provide?
The MSP430F5254IZQE provides eight independent hardware serial interfaces: four USCI_A modules (each configurable as UART, IrDA, or SPI) and four USCI_B modules (each configurable as I²C or SPI). These operate concurrently with dedicated registers and DMA support - enabling simultaneous sensor communication, debug logging, and peripheral control without CPU overhead.
What is the purpose of the DVIO supply pin on the MSP430F5254IZQE?
The DVIO supply pin powers the 35 GPIOs assigned to the low-voltage I/O domain (1.62–1.98 V), allowing direct interfacing with 1.8-V application processors, sensors, and peripherals. This eliminates external level translators and reduces system BOM cost and board area - a defining feature of the MSP430F525x series for modern portable electronics.
Can the MSP430F5254IZQE operate in deep-sleep mode with RAM retention and wake-up capability?
Yes, the MSP430F5254IZQE supports LPM4 (Off mode) with full 32 KB RAM retention and supply supervisor active, drawing only 1.3 µA at 3.0 V. It wakes in <10 µs via any enabled interrupt source - including RTC alarms, GPIO edges, or comparator events - making it suitable for event-driven, battery-constrained applications.
MSP430F5254IZQE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 80-VFBGA
- Series:
- MSP430F5xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- MSP430 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:
- 53
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5254IZQE FAQ
1.How can I place an order for MSP430F5254IZQE through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5254IZQE 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 MSP430F5254IZQE reliable?
The price and inventory of MSP430F5254IZQE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5254IZQE is usually 5 days.
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5.How can I obtain technical support or documentation for MSP430F5254IZQE?
For technical support, including MSP430F5254IZQE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5254IZQE requirements.
6.How does Aetrix verify that MSP430F5254IZQE is sourced from the original manufacturer or authorized distributors?
All MSP430F5254IZQE 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 MSP430F5254IZQE meets industry standards.
7.What is the process for return or replacement of MSP430F5254IZQE?
All MSP430F5254IZQE units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5254IZQE, 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 MSP430F5254IZQE part is unused and in its original packaging.
Return procedure for MSP430F5254IZQE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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