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Texas Instruments MSP430F6636IPZR
- Part No.:
- MSP430F6636IPZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F6636IPZR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:273
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Product details
Overview
MSP430F6636IPZR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring a 12-bit ADC, dual 12-bit DACs, USB 2.0 interface, LCD driver for up to 160 segments, four 16-bit timers, two USCI modules (UART/IrDA/SPI/I²C), and RTC with battery backup - deployed in portable sensor systems and handheld meters requiring extended battery life.
For engineers reviewing the MSP430F6636IPZR datasheet, MSP430F6636IPZR pinout, MSP430F6636IPZR application, or MSP430F6636IPZR equivalent, key selection criteria include USB integration, 74 GPIO count, LQFP-100 package compatibility, low-power mode wake-up time (3 µs), and flash/RAM configuration (128 KB/16 KB + 2 KB USB SRAM).
Technical Context
The MSP430F6636IPZR 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 are tightly coupled to the 6-channel DMA and flexible power management subsystem, which includes an integrated LDO, supply supervision, brownout detection, and programmable core voltage regulation - all optimized for sub-1.8 µA LPM3 operation and robust operation across 1.8–3.6 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with constant generators and 20-MHz max system clock |
| Flash / RAM | 128 KB flash + 16 KB RAM + 2 KB USB SRAM usable as general-purpose RAM |
| ADC | 12-bit ADC12_A with 16 channels (12 external, 4 internal), 200 ksps, autoscan, shared reference |
| DAC | Dual 12-bit DAC12_A with synchronization, voltage output, and internal reference options |
| USB Interface | Full-speed USB 2.0 PHY with integrated 3.3-V/1.8-V power system, USB-PLL, and 8 IN/8 OUT endpoints |
| Low-Power Modes | LPM3: 1.8 µA @ 2.2 V; LPM3.5 (RTC active): 1.1 µA @ 3.0 V; LPM4.5: 0.3 µA @ 3.0 V |
| I/O Count | 74 GPIO pins with interrupt capability, configurable drive strength, and Schmitt-trigger inputs |
Pinout & Package
LQFP-100 package (14 mm × 14 mm), thermally enhanced with exposed thermal pad; pin-compatible with MSP430F6637IPZR and MSP430F6638IPZR in same footprint.
| 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 event, and 2-wire JTAG-like programming/debug |
| P1.x–P9.x, PJ.x | General-purpose I/O ports | 74 total GPIOs distributed across 10 ports; P1–P4 support interrupt on change; PJ supports LCD segment control |
| XT1IN/XT1OUT | Low-frequency crystal oscillator terminals | Supports 32.768-kHz watch crystal for ACLK and RTC timing; internal load capacitors configurable |
| XT2IN/XT2OUT | High-frequency crystal oscillator terminals | Supports crystals up to 32 MHz for SMCLK/MCLK; optional bypass mode for external clock input |
| USB_DP/USB_DM | Full-speed USB differential data pair | Integrated USB transceiver compliant with USB 2.0 full-speed (12 Mbps); no external PHY required |
| AVCC/AVSS/DVCC/DVSS | Analog/digital power and ground rails | Separate analog and digital supplies enable noise isolation for ADC/DAC/LCD operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 1.8 µA standby (LPM3) and 0.3 µA shutdown (LPM4.5) enable multi-year battery life in metering applications |
| Integrated USB 2.0 | Eliminates need for external USB transceiver or level-shifting components, reducing BOM and PCB area |
| LCD driver | Direct drive of up to 160 segments with programmable contrast and charge-pump bias, supporting segment-based displays without external glass drivers |
| Hardware multiplier | 32-bit MAC support accelerates signal processing, filtering, and mathematical operations without CPU overhead |
| Dual synchronized DACs | Enables simultaneous analog waveform generation or precision reference outputs for sensor excitation or calibration |
Applications
| Hand-Held Meters | Digital Thermostats |
|---|---|
|
Use Scenario: Portable multimeters, clamp meters, and environmental sensors requiring long battery life and local display. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, LCD refresh, button interface, and USB data upload. Use Value: Integrated 12-bit ADC, LCD driver, and USB eliminate discrete support ICs, reducing component count by ≥4 while maintaining 200 ksps acquisition rate. |
Use Scenario: Residential and commercial HVAC controllers with temperature sensing, user interface, and wireless gateway connectivity. IC Role / Device Role / Timing Role: Real-time sensor fusion hub coordinating temperature/humidity readings, display updates, and scheduled communication bursts. Use Value: RTC_B with battery backup maintains accurate timekeeping during main power loss; LPM3.5 draws only 1.1 µA at 3.0 V for continuous clock operation. |
| Analog Sensor Systems | Digital Motor Control |
|
Use Scenario: Industrial condition-monitoring nodes measuring vibration, pressure, or gas concentration with local signal conditioning. IC Role / Device Role / Timing Role: Signal acquisition and preprocessing engine performing ADC oversampling, FIR filtering via hardware multiplier, and threshold-triggered wake-up. Use Value: 12-bit ADC with internal reference and autoscan enables precise multi-channel measurement without external voltage references or multiplexers. |
Use Scenario: Brushless DC motor drives in appliances and small industrial actuators requiring commutation timing and current feedback. IC Role / Device Role / Timing Role: Timing-critical control unit generating PWM waveforms using Timer_B's 7 capture/compare registers and synchronizing ADC sampling to switching events. Use Value: Four 16-bit timers (including TB0 with 7 CC registers) provide dedicated hardware resources for independent PWM generation, encoder counting, and dead-time insertion. |
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 |
|---|---|---|---|
| MSP430F6637IPZR | 192 KB flash (vs. 128 KB), identical peripherals, same LQFP-100 package and pinout | Preferred where firmware complexity or bootloader size requires additional flash margin | Select when >128 KB code space needed but no change to peripheral set or I/O count is required |
| MSP430F6634IPZR | No DAC12_A module; otherwise matches MSP430F6636IPZR in flash (192 KB), RAM, USB, ADC, timers, and package | Suitable for cost-sensitive designs omitting analog waveform generation or precision reference outputs | Choose when DAC functionality is unnecessary and lower BOM cost is prioritized over analog flexibility |
Compared with MSP430F6637IPZR, the MSP430F6636IPZR trades flash capacity for cost efficiency while retaining full USB, LCD, ADC, and timer capability; versus MSP430F6634IPZR, it adds dual 12-bit DACs essential for closed-loop analog control or sensor excitation without external DACs.
Availability
MSP430F6636IPZR is available at Aetrix Electronics and suitable for hand-held meters, digital thermostats, and analog sensor systems requiring stable component supply, long-term lifecycle assurance, and TI-qualified production lots.
Supply support for MSP430F6636IPZR 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 delivering analog and embedded processing solutions, with leadership in low-power microcontrollers and signal chain technologies since 1930.
The MSP430F6636IPZR belongs to the MSP430F663x ultra-low-power MCU family, designed specifically for battery-operated measurement and display applications demanding high analog integration, USB connectivity, and multi-year runtime.
FAQ
What is the maximum operating frequency of the MSP430F6636IPZR?
The MSP430F6636IPZR supports a maximum system clock frequency of 20 MHz, achieved via its digitally controlled oscillator (DCO) or external high-frequency crystal (XT2) up to 32 MHz. The device's CPUXV2 core executes instructions at this rate with single-cycle access to flash and RAM, enabling real-time response in timing-critical applications such as motor control and sensor sampling.
Does the MSP430F6636IPZR support USB device mode only, or also host mode?
The MSP430F6636IPZR supports USB device mode only - it implements a full-speed USB 2.0 device controller with integrated PHY, USB-PLL, and endpoint buffers. It does not support USB host or OTG functionality. The MSP430F6636IPZR is intended for peripheral roles such as data loggers, HID devices, or firmware-upgradable sensors connected to a host PC or gateway.
How many I/O pins does the MSP430F6636IPZR have, and are they all individually configurable?
The MSP430F6636IPZR provides 74 general-purpose I/O pins across ports P1–P9 and PJ, all individually configurable for input/output, pull-up/down, interrupt-on-change, and peripheral function mapping. Each pin supports programmable drive strength (full or reduced) and Schmitt-trigger input thresholds, enabling robust interfacing with switches, sensors, LEDs, and digital buses without external components.
What low-power modes are available on the MSP430F6636IPZR, and what is the lowest current draw?
The MSP430F6636IPZR offers five low-power modes (LPM0–LPM4.5). The lowest active-retention mode is LPM4.5 (shutdown), drawing 0.3 µA at 3.0 V with all clocks and RAM powered down. For RTC operation with crystal, LPM3.5 draws 1.1 µA at 3.0 V - both values measured under typical conditions per SLAS566G datasheet Section 8.5.
Is the MSP430F6636IPZR pin-compatible with other devices in the MSP430F663x family?
Yes - the MSP430F6636IPZR in LQFP-100 (PZ) package is pin-compatible with MSP430F6637IPZR and MSP430F6638IPZR in the same package variant. All share identical pin functions, electrical characteristics, and peripheral mappings; differences are limited to flash size (128 KB vs. 192 KB vs. 256 KB) and DAC presence, requiring only firmware and linker script updates for migration.
MSP430F6636IPZR 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; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F6636IPZR FAQ
1.How can I place an order for MSP430F6636IPZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6636IPZR 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 MSP430F6636IPZR reliable?
The price and inventory of MSP430F6636IPZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6636IPZR is usually 5 days.
3.What payment methods are accepted for MSP430F6636IPZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6636IPZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F6636IPZR?
MSP430F6636IPZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6636IPZR 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 MSP430F6636IPZR?
For technical support, including MSP430F6636IPZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6636IPZR requirements.
6.How does Aetrix verify that MSP430F6636IPZR is sourced from the original manufacturer or authorized distributors?
All MSP430F6636IPZR 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 MSP430F6636IPZR meets industry standards.
7.What is the process for return or replacement of MSP430F6636IPZR?
All MSP430F6636IPZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6636IPZR, 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 MSP430F6636IPZR part is unused and in its original packaging.
Return procedure for MSP430F6636IPZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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