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Texas Instruments MSP430F5338IPZR
- Part No.:
- MSP430F5338IPZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F5338IPZR.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:988
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Product details
Overview
MSP430F5338IPZR from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller with 256 KB flash, 18 KB RAM, integrated 3.3-V LDO, 12-bit ADC (200 ksps, 16 channels), dual 12-bit DACs, four 16-bit timers, two USCIs (UART/IrDA/SPI/I²C), and RTC module - deployed in battery-powered sensor nodes and portable meters.
For engineers reviewing the MSP430F5338IPZR datasheet, MSP430F5338IPZR pinout, MSP430F5338IPZR application, or MSP430F5338IPZR equivalent, key selection criteria include active-mode current (270 µA/MHz @ 8 MHz), standby current (1.8 µA @ 2.2 V), wake-up time (3 µs), 74 GPIO count, and LQFP-100 package compatibility for space-constrained industrial designs.
Technical Context
The MSP430F5338IPZR implements a 16-bit RISC CPUXV2 core with constant generators and hardware multiplier supporting 32-bit operations. Its unified clock system integrates FLL, VLO, REFO, XT1 (32 kHz), and XT2 (up to 32 MHz) sources, enabling dynamic frequency scaling across five low-power modes.
Power management includes programmable LDO core regulation, supply supervision (SVS/SVM), brownout reset, and RTC backup with VBAK support. Peripheral integration features 6-channel DMA, CRC16 engine, comparator_B, and autoscan-capable ADC12_A with internal reference options (1.5/2.0/2.5 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with constant generators and 32-bit hardware multiplier |
| Flash / RAM | 256 KB flash program memory + 18 KB SRAM (including 8 B backup RAM) |
| ADC Performance | 12-bit ADC12_A with 200 ksps sampling rate, 16 input channels (12 external, 4 internal) |
| Low-Power Modes | LPM3 standby: 1.8 µA @ 2.2 V; LPM3.5 RTC mode: 1.1 µA @ 3.0 V; LPM4.5 shutdown: 0.3 µA @ 3.0 V |
| Wake-up Time | 3 µs typical from LPM3 to active mode - enables rapid response in event-driven sensing |
| Timer Resources | Four 16-bit timers: TA0 (5 CC), TA1/TA2 (3 CC each), TB0 (7 CC) - supports PWM, capture, and interval timing |
| Communication | Two USCIs: USCI_A0/A1 (UART/IrDA/SPI), USCI_B0/B1 (I²C/SPI) - dual-protocol flexibility per interface |
Pinout & Package
LQFP-100 package (14 mm × 14 mm), thermally enhanced with exposed thermal pad; 74 general-purpose I/O pins distributed across Ports P1–P9 and PJ, plus dedicated analog, power, clock, and debug signals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI input / Spy-Bi-Wire test data I/O | Single-pin debug interface compatible with TI's SBW protocol; supports device reset and non-intrusive debugging |
| XIN / XOUT | Low-frequency crystal oscillator terminals | Supports 32-kHz watch crystal for ACLK generation and RTC accuracy |
| XT2IN / XT2OUT | High-frequency crystal oscillator terminals | Enables up to 32-MHz system clock via external crystal or resonator |
| P6.6 / P6.7 / P7.6 / P7.7 | DAC output channels (DAC0/DAC1) | Four dedicated analog output pins with voltage-output capability and synchronization support |
| P5.0 / P5.1 | VREF+/VREF− reference inputs | Accept external reference voltage or connect to internal 1.5/2.0/2.5-V REF module |
| LDOI / LDOO | LDO input and regulated output rails | Integrated 3.3-V LDO supplies core logic; LDOI accepts 3.3–3.6 V input, LDOO delivers stable DVCC |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 270 µA/MHz active current enables >10-year battery life in periodic-sensing applications |
| Integrated power management | Programmable LDO core voltage + SVS/SVM monitoring eliminates need for external supervisors |
| Autoscan ADC | Hardware-accelerated sequential conversion across 16 channels without CPU intervention |
| Dual synchronized DACs | Two 12-bit voltage-output DACs with simultaneous update capability for waveform generation |
| RTC with battery backup | Real-time clock retains time/date during main power loss using VBAK rail and external coin cell |
Applications
| Analog Sensor Node | Digital Motor Control |
|---|---|
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ via analog sensors. IC Role / Device Role / Timing Role: Main controller executing sensor acquisition, signal conditioning, low-power scheduling, and wireless transmission timing. Use Value: 1.8 µA LPM3 current and 3 µs wake-up enable 5+ year operation on CR2032; ADC autoscan reduces firmware overhead by 40%. | Use Scenario: Closed-loop BLDC motor driver in HVAC blower with Hall-effect feedback and PWM control. IC Role / Device Role / Timing Role: Real-time motion controller generating precise 20-kHz PWM outputs and capturing commutation edges. Use Value: Four 16-bit timers (TA0/TA1/TA2/TB0) provide independent PWM channels and capture units - eliminating external timer ICs. |
| Thermostat Interface | Hand-Held Meter |
Use Scenario: Programmable residential thermostat with LCD, pushbuttons, relay drivers, and ambient temperature sensing. IC Role / Device Role / Timing Role: System-on-chip managing user interface, sensor reading, setpoint logic, and relay actuation timing. Use Value: Integrated 12-bit DACs drive analog meter displays; RTC maintains accurate scheduling without external timekeeping IC. | Use Scenario: Portable multimeter acquiring voltage, current, and resistance with auto-ranging and digital display. IC Role / Device Role / Timing Role: Signal acquisition processor performing ADC sampling, calibration math, and SPI-driven display updates. Use Value: 200 ksps ADC with internal reference ensures ±0.1% measurement linearity; 18 KB RAM buffers full waveform captures. |
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 |
|---|---|---|---|
| MSP430F5336IPZR | 128 KB flash (vs. 256 KB), identical RAM, peripherals, and package | Suitable for firmware-light applications where code size <128 KB suffices | Select when cost sensitivity outweighs future firmware expansion needs |
| MSP430F6638IPZ | Enhanced USB interface, 256 KB flash, same ADC/DAC/timer specs, but no LDO integration | Required when host USB connectivity is needed; external LDO required for core regulation | Choose only if USB device functionality is mandatory and board layout accommodates external LDO |
Compared with MSP430F5336IPZR, the MSP430F5338IPZR provides double flash capacity for complex sensor fusion algorithms; versus MSP430F6638IPZ, it trades USB for integrated power regulation - simplifying BOM and reducing PCB area in standalone battery systems.
Availability
MSP430F5338IPZR is available at Aetrix Electronics and suitable for analog sensor systems, digital motor control, thermostats, and hand-held meters requiring stable component supply over extended production lifecycles.
Supply support for MSP430F5338IPZR 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 MSP430F5338IPZR belongs to the MSP430F5xx ultra-low-power MCU product line, designed specifically for battery-operated measurement and sensing applications demanding sub-microamp standby current and fast wake-up responsiveness.
FAQ
What is the maximum system clock frequency supported by the MSP430F5338IPZR?
The MSP430F5338IPZR supports a maximum system clock frequency of 20 MHz via its digitally controlled oscillator (DCO) or up to 32 MHz when using the high-frequency crystal oscillator (XT2). This allows real-time processing of sensor data and communication protocols while maintaining ultra-low power consumption in active mode.
Does the MSP430F5338IPZR include an integrated voltage regulator?
Yes, the MSP430F5338IPZR integrates a fully programmable low-dropout (LDO) regulator that generates a stable 3.3-V core supply (DVCC) from an input voltage range of 3.3 V to 3.6 V applied to the LDOI pin. This eliminates the need for an external LDO in many compact, battery-powered designs.
How many analog input channels does the ADC12_A module support on the MSP430F5338IPZR?
The ADC12_A module on the MSP430F5338IPZR supports 16 total input channels: 12 external analog inputs (A0–A11) and 4 internal sources (temperature sensor, VCC/2, VeREF+, and VMID). Channel selection and autoscan sequencing are fully configurable in hardware.
Can the MSP430F5338IPZR operate from a single 3.0-V battery without external regulators?
Yes, the MSP430F5338IPZR operates across a supply range of 1.8 V to 3.6 V. When powered directly from a 3.0-V battery, its integrated LDO regulates core voltage, and all peripherals - including ADC, DAC, and RTC - remain fully functional down to 1.8 V, enabling deep discharge utilization of primary cells.
What debug interface does the MSP430F5338IPZR use, and how many pins are required?
The MSP430F5338IPZR uses the two-wire Spy-Bi-Wire (SBW) interface for programming and debugging, requiring only RST/NMI/SBWTDIO and TEST/SBWTCK pins. This minimizes footprint impact compared to full JTAG and is natively supported by TI's MSP-FET and IAR/Code Composer Studio toolchains.
MSP430F5338IPZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430F5xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 74
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 18K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5338IPZR FAQ
1.How can I place an order for MSP430F5338IPZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5338IPZR 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 MSP430F5338IPZR reliable?
The price and inventory of MSP430F5338IPZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5338IPZR is usually 5 days.
3.What payment methods are accepted for MSP430F5338IPZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F5338IPZR transactions.
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4.How is shipping managed for MSP430F5338IPZR?
MSP430F5338IPZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5338IPZR 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 MSP430F5338IPZR?
For technical support, including MSP430F5338IPZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5338IPZR requirements.
6.How does Aetrix verify that MSP430F5338IPZR is sourced from the original manufacturer or authorized distributors?
All MSP430F5338IPZR 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 MSP430F5338IPZR meets industry standards.
7.What is the process for return or replacement of MSP430F5338IPZR?
All MSP430F5338IPZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5338IPZR, 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 MSP430F5338IPZR part is unused and in its original packaging.
Return procedure for MSP430F5338IPZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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