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Texas Instruments MSP430F6633IPZ
- Part No.:
- MSP430F6633IPZ
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F6633IPZ.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,368
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Product details
Overview
MSP430F6633IPZ from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 128 KB flash, 16 KB + 2 KB RAM, USB 2.0 full-speed interface, 12-bit ADC with 16 channels (12 external), dual 12-bit DACs, LCD driver for up to 160 segments, and four 16-bit timers - deployed in battery-powered sensor systems and portable meters.
For engineers reviewing the MSP430F6633IPZ datasheet, MSP430F6633IPZ pinout, MSP430F6633IPZ application, or MSP430F6633IPZ equivalent, key selection criteria include USB integration without external PHY, LPM3.5 RTC operation at 1.1 µA, 74 I/O pins in LQFP-100, and compatibility with TI's MSP430F663x family toolchain and firmware libraries.
Technical Context
The MSP430F6633IPZ implements a 16-bit RISC CPU with constant generators and a unified clock system including FLL, VLO, REFO, XT1 (32 kHz), and XT2 (up to 32 MHz). Its power management includes an integrated LDO with programmable core voltage and brownout detection.
Peripherals are tightly synchronized via DMA (6-channel), hardware multiplier (32-bit), and dual USCI modules supporting UART/IrDA/SPI (USCI_A) and I²C/SPI (USCI_B). The device supports real-time clock with alarm and battery backup, plus LCD_B controller with contrast control - all operating under five low-power modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 20-MHz max system clock and extended memory addressing |
| Flash / RAM | 128 KB flash program memory; 16 KB main RAM + 2 KB USB SRAM usable as general-purpose RAM |
| ADC | 12-bit SAR ADC with 200 ksps sampling rate, autoscan, 12 external + 4 internal input channels |
| USB Interface | Full-speed USB 2.0 with integrated PHY, PLL, 3.3-V/1.8-V power system, and 8 IN/8 OUT endpoints |
| Low-Power Modes | LPM3.5 (RTC active): 1.1 µA at 3.0 V; LPM4.5 (shutdown): 0.3 µA at 3.0 V; wakeup in 3 µs from standby |
| I/O Count | 74 GPIO pins with interrupt capability, configurable drive strength, and Schmitt-trigger inputs |
| LCD Driver | Integrated LCD_B module supporting up to 160 segments with software-controlled contrast |
Pinout & Package
LQFP-100 package (14 mm × 14 mm), thermally enhanced, RoHS-compliant, with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire debug I/O | Single-pin multifunction interface for reset assertion, NMI triggering, and 2-wire JTAG debugging |
| P1.0–P1.7 | General-purpose I/O port with interrupt | 8-bit bidirectional port supporting edge-selectable interrupts and peripheral function multiplexing |
| XT1IN / XT1OUT | Low-frequency crystal oscillator terminals | Supports 32.768-kHz watch crystal for ACLK and RTC timing with automatic fault detection |
| USB_DP / USB_DM | Differential USB 2.0 full-speed data lines | Internally terminated; require no external resistors; connect directly to USB connector per USB spec |
| VCC / DVCC / AVCC | Power supply domains | DVCC powers digital core (1.8–3.6 V); AVCC powers analog peripherals (separate filtering recommended) |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB PHY + PLL | Eliminates need for external transceiver; enables self-powered or bus-powered USB device designs |
| Programmable LDO core regulator | Adjusts internal VCC_CORE from 1.3 V to 2.8 V to optimize active-mode current vs. performance trade-off |
| Hardware CRC16 engine | Offloads checksum computation from CPU; accelerates firmware update verification and data integrity checks |
| Dual 12-bit DACs with sync | Simultaneous output updates enable precise multi-channel waveform generation or bias control |
| Real-time clock with battery backup | Retains time/date during main power loss using VBAT; supports alarm and calendar functions |
Applications
| Portable Hand-Held Meter | Digital Thermostat |
|---|---|
|
Use Scenario: Battery-operated multimeter measuring voltage, current, and resistance with LCD display and USB data logging. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, LCD refresh, USB bulk transfers, and low-power sleep cycles between measurements. Use Value: 1.1 µA RTC mode extends battery life to >5 years; integrated USB eliminates external transceiver BOM cost and layout area. |
Use Scenario: Wall-mounted HVAC thermostat with temperature/humidity sensing, user interface, and wireless gateway communication. IC Role / Device Role / Timing Role: Primary MCU handling sensor acquisition, PID control loop execution, LCD segment driving, and wake-on-event (button/timer) logic. Use Value: 74 GPIO support direct connection of multiple sensors, buttons, and display segments; LPM3.5 maintains RTC accuracy while consuming <1.2 µA. |
| Remote Sensor Node | Digital Timer System |
|
Use Scenario: Wireless environmental monitor collecting temperature, pressure, and light data, then transmitting via BLE or sub-GHz radio. IC Role / Device Role / Timing Role: Sensor fusion hub with ADC, comparator, and timer-driven periodic wake-up; USB used for configuration and firmware updates. Use Value: Dual USCI modules allow concurrent SPI to sensor array and UART to radio IC; 3 µs wake-up ensures minimal latency in event-triggered sampling. |
Use Scenario: Industrial countdown timer with keypad input, LED/LCD display, relay control, and USB-based calibration and logging. IC Role / Device Role / Timing Role: Real-time scheduler executing precise timing intervals using TB0 (7 CC registers) and RTC alarm interrupts. Use Value: Hardware timer resources eliminate software timing jitter; LCD_B driver supports custom segment mapping for alphanumeric display without external controller. |
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 |
|---|---|---|---|
| MSP430F6636IPZ | 128 KB flash (same), but adds dual 12-bit DACs - MSP430F6633IPZ lacks DACs | Required where analog waveform generation or precision bias control is needed | Select MSP430F6636IPZ only if DAC functionality is essential; otherwise MSP430F6633IPZ reduces cost and code footprint |
| MSP430F6634IPZ | 192 KB flash, same peripherals except no DACs; identical pinout and USB/LCD/ADC specs | Preferred when larger firmware image size or future feature expansion is anticipated | MSP430F6634IPZ offers headroom for complex USB class drivers or larger RTOS; MSP430F6633IPZ suits fixed-function metering firmware |
Compared with MSP430F6636IPZ, the MSP430F6633IPZ omits DACs to reduce silicon area and cost while retaining full USB, LCD, and ADC capability; versus MSP430F6634IPZ, it trades 64 KB flash for lower unit price and tighter BOM control in volume production.
Availability
MSP430F6633IPZ is available at Aetrix Electronics and suitable for portable meters, digital thermostats, and remote sensor nodes requiring stable component supply across multi-year production cycles.
Supply support for MSP430F6633IPZ 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and consumer markets.
The MSP430F663x product line targets ultra-low-power measurement and sensing applications, emphasizing extended battery life, integrated analog peripherals, and USB connectivity for field-deployable instrumentation.
FAQ
What is the maximum operating frequency of the MSP430F6633IPZ?
The MSP430F6633IPZ supports a maximum system clock frequency of 20 MHz, achieved via its digitally controlled oscillator (DCO) with FLL stabilization or high-frequency crystal (XT2) up to 32 MHz. This allows deterministic real-time execution of USB protocol stacks and ADC sampling at 200 ksps without CPU bottlenecks.
Does the MSP430F6633IPZ include an integrated USB physical layer?
Yes, the MSP430F6633IPZ integrates a full-speed USB 2.0 PHY, USB-PLL, and dedicated 3.3-V/1.8-V power system - eliminating the need for external transceivers. USB_DP and USB_DM pins connect directly to the USB connector with no external termination resistors required.
How many I/O pins does the MSP430F6633IPZ provide in the LQFP-100 package?
The MSP430F6633IPZ provides 74 general-purpose I/O pins in the LQFP-100 package, distributed across ports P1–P9 and PJ. All pins support interrupt capability, configurable pull-up/down, and Schmitt-trigger inputs - enabling direct interfacing with buttons, sensors, and displays.
What low-power modes are supported by the MSP430F6633IPZ, and what is the lowest current draw?
The MSP430F6633IPZ supports five low-power modes (LPM0–LPM4.5). The lowest active-retention mode is LPM4.5 (shutdown), drawing 0.3 µA at 3.0 V. For RTC operation with crystal, LPM3.5 draws 1.1 µA at 3.0 V - ideal for long-life battery applications requiring accurate timekeeping.
Is the MSP430F6633IPZ pin-compatible with other devices in the MSP430F663x family?
Yes, the MSP430F6633IPZ is pin-compatible with all LQFP-100 variants in the MSP430F663x family (e.g., MSP430F6634IPZ, MSP430F6636IPZ, MSP430F6637IPZ), sharing identical pin assignments, power domains, and peripheral mappings - enabling hardware reuse across firmware variants.
MSP430F6633IPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430F6xx
- Packaging:
- Tray
- 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:
MSP430F6633IPZ FAQ
1.How can I place an order for MSP430F6633IPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6633IPZ 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 MSP430F6633IPZ reliable?
The price and inventory of MSP430F6633IPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6633IPZ is usually 5 days.
3.What payment methods are accepted for MSP430F6633IPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6633IPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F6633IPZ?
MSP430F6633IPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6633IPZ 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 MSP430F6633IPZ?
For technical support, including MSP430F6633IPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6633IPZ requirements.
6.How does Aetrix verify that MSP430F6633IPZ is sourced from the original manufacturer or authorized distributors?
All MSP430F6633IPZ 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 MSP430F6633IPZ meets industry standards.
7.What is the process for return or replacement of MSP430F6633IPZ?
All MSP430F6633IPZ units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6633IPZ, 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 MSP430F6633IPZ part is unused and in its original packaging.
Return procedure for MSP430F6633IPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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