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Texas Instruments MSP430F6633IPZR
- Part No.:
- MSP430F6633IPZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F6633IPZR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,498
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Product details
Overview
MSP430F6633IPZR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring a 12-bit ADC with 16 channels (12 external, 4 internal), dual USCI modules supporting UART/IrDA/SPI/I²C, full-speed USB 2.0 with integrated PHY and PLL, RTC with battery backup, LCD driver for up to 160 segments, and 74 GPIO pins in a 100-pin LQFP package. It targets portable sensor systems and battery-powered metering applications requiring long runtime and integrated analog front-end capability.
For engineers reviewing the MSP430F6633IPZR datasheet, MSP430F6633IPZR pinout, MSP430F6633IPZR application, or MSP430F6633IPZR equivalent, key selection criteria include USB integration without external transceiver, 12-bit ADC autoscan with internal reference options (1.5 V/2.0 V/2.5 V), low-power LPM3.5 RTC mode (1.1 µA), and compatibility with TI's MSP430F663x family development tools and firmware libraries.
Technical Context
The MSP430F6633IPZR implements a 16-bit RISC CPUXV2 core with constant generators and hardware multiplier supporting 32-bit operations. Its unified clock system integrates FLL stabilization, VLO and REFO internal sources, XT1 (32-kHz crystal), and XT2 (up to 32-MHz crystal) - enabling precise timing control across active and low-power modes.
Power management includes a fully integrated LDO with programmable core voltage, supply supervision (SVS/SVM), brownout reset, and five low-power modes (LPM0–LPM4.5). Wake-up from LPM3 occurs in 3 µs (typical), and the device supports 6-channel DMA, four 16-bit timers (TA0/TA1/TA2/TB0), and hardware CRC16 for robust data integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with constant generators and 32-bit hardware multiplier - enables efficient signal processing and math-intensive firmware without external coprocessor. |
| Flash / RAM | 128 KB flash + 16 KB + 2 KB USB SRAM - sufficient for complex USB device stacks, sensor fusion algorithms, and retained context during deep sleep. |
| ADC12_A | 12-bit SAR ADC, 200 ksps, 16-channel autoscan (12 ext, 4 int), internal references (1.5/2.0/2.5 V) - supports simultaneous multi-sensor acquisition with no external reference IC needed. |
| USB Interface | Full-speed (12 Mbps) USB 2.0 with integrated PHY, PLL, 3.3-V/1.8-V power system, and 8 endpoints - eliminates external USB transceiver and simplifies BOM for host-compliant devices. |
| Low-Power Modes | LPM3.5 (RTC active, crystal): 1.1 µA at 3.0 V; LPM4.5 (shutdown): 0.3 µA - enables years of operation on coin-cell batteries in always-on monitoring applications. |
| I/O Count | 74 GPIO pins with interrupt capability, configurable drive strength, Schmitt-trigger inputs, and port mapping controller - supports dense peripheral interfacing and flexible PCB routing. |
| LCD Driver | Integrated LCD_B module driving up to 160 segments with contrast control - enables direct connection to segment-based displays without external driver IC. |
Pinout & Package
LQFP-100 package (14 mm × 14 mm), thermally enhanced with exposed thermal pad; RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire debug I/O | Single-pin debug interface compatible with TI's MSP-FET; enables in-system programming and real-time debugging without dedicated JTAG pins. |
| P1.x – P9.x (74 total) | General-purpose bidirectional I/O | Configurable pullup/pulldown, slew rate control, interrupt-on-change, and peripheral function multiplexing (e.g., USCI, ADC, timer capture). |
| XT1IN / XT1OUT | Low-frequency crystal oscillator terminals | Supports 32.768-kHz watch crystal for RTC accuracy; internal load capacitors configurable via registers - no external caps required. |
| XT2IN / XT2OUT | High-frequency crystal oscillator terminals | Supports crystals up to 32 MHz for USB clock derivation and high-speed system operation; bypass mode available for external clock input. |
| DP / DM | USB differential data lines | Internally terminated 1.5-kΩ pull-up on DP for full-speed device enumeration; compliant with USB 2.0 electrical specifications without external resistors. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB PHY and power system | Eliminates need for external USB transceiver and dual-voltage regulators - reduces board area by ≥30% and component count by ≥5 parts. |
| 12-bit ADC with autoscan and internal references | Enables continuous multi-channel sensor sampling (e.g., temperature, voltage, current) using only internal 1.5/2.0/2.5-V references - removes external precision reference IC. |
| RTC_B with battery backup and alarm | Retains time/date and triggers wake-up events during main power loss using VBAT pin - supports fail-safe logging and scheduled wake-up without external RTC chip. |
| Unified clock system with FLL and multiple sources | Allows dynamic clock source switching (e.g., VLO → XT1 → DCO) and frequency stabilization without software intervention - ensures USB timing compliance and low-jitter ADC sampling. |
| Hardware CRC16 engine | Offloads checksum computation from CPU during firmware updates or sensor data transmission - improves throughput and reduces active-mode duration by ~12% vs. software CRC. |
Applications
| Smart Energy Metering | Portable Medical Sensor Hub |
|---|---|
Use Scenario: Three-phase electricity meter with real-time energy calculation, tamper detection, and USB-based firmware update. IC Role / Device Role / Timing Role: Central MCU managing metrology ADC sampling, RTC-stamped event logging, LCD display, and USB CDC communication with utility handheld readers. Use Value: Integrated 12-bit ADC autoscan synchronizes voltage/current channel acquisition; USB PHY enables secure field updates without additional interface ICs; LPM3.5 extends battery life during outage reporting. |
Use Scenario: Handheld pulse oximeter collecting SpO₂, heart rate, and temperature data for Bluetooth LE forwarding via companion MCU. IC Role / Device Role / Timing Role: Analog front-end controller acquiring and preprocessing sensor signals, driving OLED/LCD display, and buffering data for low-latency USB bulk transfer. Use Value: Dual USCI modules allow concurrent I²C sensor reads and USB streaming; internal REFO ensures stable ADC reference across battery voltage drop; 3-µs LPM3 wake-up meets real-time response requirements. |
| Industrial Remote Terminal Unit (RTU) | Programmable Thermostat with Display |
Use Scenario: DIN-rail mounted RTU monitoring analog process signals (4–20 mA), digital I/O, and environmental sensors in unattended locations. IC Role / Device Role / Timing Role: Primary controller executing Modbus RTU over UART, managing isolated analog inputs, and maintaining local history via RTC-timestamped flash storage. Use Value: Four 16-bit timers support precise PWM output for actuator control; 74 GPIO enable direct connection to isolation ICs and status LEDs; USB provides commissioning and diagnostics port. |
Use Scenario: Residential thermostat with ambient temperature/humidity sensing, LCD user interface, scheduling, and USB configuration port. IC Role / Device Role / Timing Role: System-on-chip handling sensor acquisition, PID loop execution, LCD segment driving, RTC-based scheduling, and USB parameter upload. Use Value: Integrated LCD_B driver supports 160-segment display without external controller; internal comparator enables simple windowed temperature monitoring; LPM3.5 maintains schedule during power loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power mixed-signal MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F6636IPZR | 128 KB flash (same), but includes dual 12-bit DACs - absent in MSP430F6633IPZR. | Suitable where analog waveform generation (e.g., calibration signals, sensor excitation) is required alongside USB and ADC functions. | Select MSP430F6636IPZR only if DAC functionality is mandatory; otherwise MSP430F6633IPZR offers identical USB, ADC, RTC, and I/O capability at lower cost. |
| MSP430F6634IPZR | 192 KB flash (vs. 128 KB), same peripherals including USB, ADC, RTC, LCD, and 74 GPIO. | Better suited for applications needing larger firmware image (e.g., dual-bank OTA updates, extended protocol stacks) without changing hardware layout. | MSP430F6634IPZR is pin-compatible and functionally identical except for flash size - ideal for design scalability where future firmware growth is anticipated. |
Compared with MSP430F6636IPZR, the MSP430F6633IPZR omits DACs but retains full USB, ADC, RTC, and LCD capability - reducing cost and power in DAC-free applications. Against MSP430F6634IPZR, it trades 64 KB flash for lower unit price while maintaining identical peripheral set and pinout - making it optimal for cost-sensitive, fixed-function deployments.
Availability
MSP430F6633IPZR is available at Aetrix Electronics and suitable for smart metering, portable medical devices, industrial RTUs, and programmable thermostats requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for MSP430F6633IPZR 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 decades of expertise in ultra-low-power microcontroller design and manufacturing.
The MSP430F663x product line was engineered specifically for battery-powered measurement and sensing applications demanding integrated analog peripherals, USB connectivity, and sub-microamp standby current - targeting metering, healthcare, and industrial IoT edge nodes.
FAQ
What is the maximum system clock frequency supported by the MSP430F6633IPZR?
The MSP430F6633IPZR supports a maximum system clock frequency of 20 MHz, achieved via its digitally controlled oscillator (DCO) or high-frequency crystal oscillator (XT2) up to 32 MHz. The device's FLL circuit stabilizes the DCO to maintain timing accuracy across voltage and temperature variations, ensuring reliable USB full-speed operation and deterministic real-time task execution within the MSP430F6633IPZR's architecture.
Does the MSP430F6633IPZR include an integrated USB transceiver?
Yes, the MSP430F6633IPZR integrates a full-speed USB 2.0 physical layer (PHY), USB-PLL, and dual-voltage (3.3-V/1.8-V) power system. This eliminates the need for an external USB transceiver IC. The DP pin includes an internal 1.5-kΩ pull-up resistor for device enumeration, and the USB module supports eight endpoints with configurable buffers - all implemented directly within the MSP430F6633IPZR die.
How many analog input channels does the MSP430F6633IPZR ADC support?
The MSP430F6633IPZR features the ADC12_A module with 16 total input channels: 12 external analog inputs (A0–A11) and 4 internal sources (temperature sensor, VCC/2, VR+, and VR–). The autoscan feature allows automatic sequential conversion across selected channels without CPU intervention, and internal reference voltages (1.5 V, 2.0 V, 2.5 V) are available - all confirmed in the MSP430F6633IPZR's functional block diagram and device comparison table.
Is the MSP430F6633IPZR pin-compatible with other devices in the MSP430F663x family?
Yes, the MSP430F6633IPZR in the 100-pin LQFP (PZ) package shares identical pinout and package dimensions with MSP430F6630IPZR, MSP430F6631IPZR, MSP430F6632IPZR, MSP430F6634IPZR, MSP430F6636IPZR, MSP430F6637IPZR, and MSP430F6638IPZR. This allows direct substitution within the same footprint when flash size, DAC presence, or peripheral configuration align with application needs - verified in TI's SLAS566G datasheet pin diagrams and device comparison table.
What low-power modes are available on the MSP430F6633IPZR, and what is the lowest current consumption?
The MSP430F6633IPZR supports five low-power modes (LPM0–LPM4.5). The lowest active-retention mode is LPM3.5 (RTC active with 32-kHz crystal), consuming 1.1 µA at 3.0 V. The absolute lowest is LPM4.5 (full shutdown), drawing 0.3 µA at 3.0 V. Both modes retain RTC operation and RAM content, and wake-up from LPM3 occurs in 3 µs (typical) - values measured and specified in the MSP430F6633IPZR's official electrical characteristics tables.
MSP430F6633IPZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430F6xx
- 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, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 74
- Program Memory Size:
- 128KB (128K 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
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F6633IPZR FAQ
1.How can I place an order for MSP430F6633IPZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6633IPZR 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 MSP430F6633IPZR reliable?
The price and inventory of MSP430F6633IPZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6633IPZR is usually 5 days.
3.What payment methods are accepted for MSP430F6633IPZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6633IPZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F6633IPZR?
MSP430F6633IPZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6633IPZR 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 MSP430F6633IPZR?
For technical support, including MSP430F6633IPZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6633IPZR requirements.
6.How does Aetrix verify that MSP430F6633IPZR is sourced from the original manufacturer or authorized distributors?
All MSP430F6633IPZR 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 MSP430F6633IPZR meets industry standards.
7.What is the process for return or replacement of MSP430F6633IPZR?
All MSP430F6633IPZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6633IPZR, 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 MSP430F6633IPZR part is unused and in its original packaging.
Return procedure for MSP430F6633IPZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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