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Texas Instruments MSP430F6633IZQWR
- Part No.:
- MSP430F6633IZQWR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 113-VFBGA
- Datasheet:
-
MSP430F6633IZQWR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 113BGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,966
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Product details
Overview
MSP430F6633IZQWR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring a 12-bit ADC, dual USCI modules (UART/IrDA/SPI/I²C), full-speed USB 2.0 PHY, RTC with battery backup, LCD driver for up to 160 segments, and 74 GPIOs in a 113-pin MicroStar Junior BGA package. It operates from 1.8 V to 3.6 V and targets battery-powered sensor systems and portable meters.
For engineers reviewing the MSP430F6633IZQWR datasheet, MSP430F6633IZQWR pinout, MSP430F6633IZQWR application, or MSP430F6633IZQWR equivalent, key selection criteria include USB integration without external transceiver, LPM3.5 RTC operation at 1.1 µA, 128 KB flash/16 KB RAM memory configuration, and compatibility with TI's MSP430F663x family toolchain and firmware libraries.
Technical Context
The MSP430F6633IZQWR implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO), enabling 3 µs wake-up from LPM3 standby. Its unified clock system integrates FLL stabilization, VLO and REFO internal sources, XT1 (32 kHz), and XT2 (up to 32 MHz) crystal support.
Peripherals include four 16-bit timers (TA0/TA1/TA2/TB0), six-channel DMA, hardware multiplier, voltage comparator, and dual 12-bit DACs - all operating under a flexible power-management system with programmable LDO core regulation and brownout detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 3 µs wake-up from LPM3 - enables rapid response in event-driven sensor applications |
| Flash / RAM | 128 KB flash + 16 KB RAM + 2 KB USB SRAM - supports complex USB device firmware and real-time data buffering |
| ADC | 12-bit, 200 ksps, 16 channels (12 external + 4 internal) with autoscan - suitable for multi-sensor analog acquisition without CPU intervention |
| USB Interface | Integrated full-speed USB 2.0 PHY, 3.3-V/1.8-V power system, USB-PLL, and 8 endpoints - eliminates need for external USB transceiver or level-shifting components |
| Low-Power Modes | LPM3.5 (RTC active): 1.1 µA @ 3.0 V; LPM4.5 (shutdown): 0.3 µA @ 3.0 V - extends battery life in always-on timing-critical devices |
| Package | MicroStar Junior BGA (ZQW), 113-pin, 7 mm × 7 mm - compact footprint for space-constrained portable instrumentation |
| I/O Count | 74 GPIOs with interrupt capability, configurable drive strength, and Schmitt-trigger inputs - supports direct connection to buttons, sensors, and displays |
Pinout & Package
MicroStar Junior BGA (ZQW) package, 113-ball array, 0.5-mm pitch, 7 mm × 7 mm body size. Pinout conforms to TI's standardized MSP430F663x ZQW mapping per SLAS566G Figure 7-4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire debug I/O | Single-pin debug interface reduces PCB routing complexity; supports in-system programming and real-time debugging |
| DVCC / DVSS | Digital supply / ground | Core logic powered by integrated LDO; decoupling required per TI layout guidelines to maintain low-noise operation |
| AVCC / AVSS | Analog supply / ground | Independent analog domain enables clean ADC/DAC conversion; requires separate filtering from digital supply |
| XT1IN / XT1OUT | Low-frequency crystal oscillator terminals | Supports 32.768-kHz watch crystal for precise RTC timekeeping with automatic load capacitance tuning |
| DP / DM | USB differential data pair | Direct connection to USB connector; integrated termination and biasing eliminate external resistors |
| P1.x–P9.x | General-purpose I/O ports | 74 total pins with configurable direction, pullup/pulldown, and interrupt-on-change - simplifies peripheral interfacing |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB 2.0 PHY | Eliminates external transceiver; supports HID, CDC, and custom class implementations with TI's USB stack |
| RTC with battery backup | Retains time/date across main power loss using VBAT; alarm and calibration registers enable autonomous scheduling |
| LCD driver (160 segments) | On-chip bias generation and contrast control reduce BOM count; supports static, multiplexed, and blinking segments |
| Ultra-low-power LPM3.5 mode | 1.1 µA current draw with RTC running from 32-kHz crystal - ideal for energy-harvesting or coin-cell-powered devices |
| Hardware multiplier (MPY32) | 32-bit multiply-accumulate in single cycle - accelerates FFT, filtering, and sensor fusion algorithms |
| Dual 12-bit DACs | Synchronized output with programmable reference; supports analog waveform generation and calibration signal injection |
Applications
| Smart Energy Meters | Portable Medical Monitors |
|---|---|
|
Use Scenario: Battery-powered electricity/water/gas meter with real-time consumption logging and wireless upload. IC Role / Device Role / Timing Role: Main controller handling metrology ADC sampling, RTC timestamping, LCD display, and USB firmware updates. Use Value: LPM3.5 RTC mode ensures accurate billing intervals during mains outage; integrated USB enables field technician reprogramming without opening enclosure. |
Use Scenario: Handheld pulse oximeter or blood glucose monitor requiring analog sensor conditioning and visual feedback. IC Role / Device Role / Timing Role: Signal acquisition hub managing photodiode ADC, LED drive timing, LCD update, and low-power sleep cycles. Use Value: 12-bit ADC with internal reference and autoscan acquires multiple sensor channels simultaneously; 160-segment LCD driver drives custom display without external controller. |
| Industrial Sensor Nodes | Programmable Thermostats |
|
Use Scenario: Wireless temperature/humidity/pressure node deployed in HVAC or factory environments. IC Role / Device Role / Timing Role: Sensor interface and preprocessing unit with USB-based configuration and calibration data transfer. Use Value: Dual USCI modules support concurrent UART (sensor UART) and I²C (local sensor bus); 74 GPIOs accommodate diverse sensor interfaces and status LEDs. |
Use Scenario: Residential thermostat with local display, user input, and scheduled heating/cooling control. IC Role / Device Role / Timing Role: System-on-chip managing touch keys, ambient sensor reading, relay control, and RTC-based scheduling. Use Value: Integrated comparator and voltage reference enable direct thermistor measurement; RTC alarm triggers HVAC state changes without host processor involvement. |
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 |
|---|---|---|---|
| MSP430F6636IZQWR | 128 KB flash same, but adds 2× 12-bit DACs and 12-channel comparator - no change in USB/LCD/RTC specs | Required where analog output (e.g., calibration voltage) or enhanced analog monitoring is needed | Select when DAC functionality is mandatory; otherwise identical pinout, code, and power profile |
| MSP430F6634IZQWR | 192 KB flash, same peripherals and package - differs only in flash size and absence of DACs | Preferred for larger firmware images (e.g., USB HID + BLE bridge firmware) without DAC requirement | Choose for increased code space headroom while retaining identical USB, RTC, and LCD capabilities |
Compared with MSP430F6633IZQWR, MSP430F6636IZQWR adds DACs for analog stimulus generation, while MSP430F6634IZQWR trades DACs for +64 KB flash - both retain identical USB PHY, RTC, LCD driver, and 113-pin ZQW packaging for drop-in layout reuse.
Availability
MSP430F6633IZQWR is available at Aetrix Electronics and suitable for smart energy meters, portable medical monitors, and industrial sensor nodes requiring stable component supply and long-term lifecycle support.
Supply support for MSP430F6633IZQWR 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 company focused on analog and embedded processing technologies, with leadership in low-power design and industrial-grade reliability.
The MSP430F663x product line delivers ultra-low-power mixed-signal MCUs optimized for battery-operated measurement, sensing, and human-interface applications - emphasizing extended runtime, integrated analog front-ends, and USB connectivity.
FAQ
What is the maximum system clock frequency supported by the MSP430F6633IZQWR?
The MSP430F6633IZQWR supports a maximum system clock frequency of 20 MHz, achieved via the FLL-controlled DCO using either internal reference (REFO) or external crystals (XT2 up to 32 MHz). This frequency enables real-time signal processing while maintaining ultra-low active-mode current of 270 µA/MHz at 3.0 V.
Does the MSP430F6633IZQWR include an integrated USB transceiver?
Yes, the MSP430F6633IZQWR integrates a full-speed USB 2.0 PHY with built-in termination, biasing, and 3.3-V/1.8-V power regulation - eliminating the need for external USB transceivers or level shifters. The device supports eight endpoints and complies with USB 2.0 specification for device-mode operation.
What is the RTC backup capability of the MSP430F6633IZQWR?
The MSP430F6633IZQWR features an RTC_B module with dedicated VBAT input and automatic switchover circuitry. When main DVCC drops, the RTC continues running from a coin-cell or supercapacitor on VBAT, retaining time, date, alarms, and calibration registers - critical for uninterrupted timekeeping in energy meters and thermostats.
How many I/O pins does the MSP430F6633IZQWR provide in the ZQW package?
The MSP430F6633IZQWR provides 74 general-purpose I/O pins in the 113-ball MicroStar Junior BGA (ZQW) package. These are distributed across Ports P1–P9 and PJ, with interrupt-on-change capability, configurable pullup/pulldown, and Schmitt-trigger inputs - supporting direct interface to sensors, buttons, displays, and communication buses.
Is the MSP430F6633IZQWR pin-compatible with other MSP430F663x ZQW variants?
Yes, the MSP430F6633IZQWR is pin-compatible with all other MSP430F663x devices offered in the 113-pin ZQW package (e.g., MSP430F6634IZQWR, MSP430F6636IZQWR), sharing identical ball map, power domains, and peripheral pin assignments - enabling hardware reuse across firmware variants with different flash/DAC configurations.
MSP430F6633IZQWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 113-VFBGA
- Series:
- MSP430F6xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
MSP430F6633IZQWR FAQ
1.How can I place an order for MSP430F6633IZQWR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6633IZQWR 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 MSP430F6633IZQWR reliable?
The price and inventory of MSP430F6633IZQWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6633IZQWR is usually 5 days.
3.What payment methods are accepted for MSP430F6633IZQWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6633IZQWR transactions.
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4.How is shipping managed for MSP430F6633IZQWR?
MSP430F6633IZQWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6633IZQWR 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 MSP430F6633IZQWR?
For technical support, including MSP430F6633IZQWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6633IZQWR requirements.
6.How does Aetrix verify that MSP430F6633IZQWR is sourced from the original manufacturer or authorized distributors?
All MSP430F6633IZQWR 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 MSP430F6633IZQWR meets industry standards.
7.What is the process for return or replacement of MSP430F6633IZQWR?
All MSP430F6633IZQWR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6633IZQWR, 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 MSP430F6633IZQWR part is unused and in its original packaging.
Return procedure for MSP430F6633IZQWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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