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Texas Instruments MSP430F6436IZQWR
- Part No.:
- MSP430F6436IZQWR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 113-VFBGA
- Datasheet:
-
MSP430F6436IZQWR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 113BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,635
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Product details
Overview
MSP430F6436IZQWR from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller with 128 KB flash, 18 KB RAM, integrated 3.3-V LDO, 12-bit ADC (200 ksps, 16 channels), dual 12-bit DACs, LCD driver (160 segments), RTC, four 16-bit timers, two USCI modules (UART/IrDA/SPI/I²C), and hardware multiplier - deployed in battery-powered sensor systems and handheld meters.
For engineers reviewing the MSP430F6436IZQWR datasheet, MSP430F6436IZQWR pinout, MSP430F6436IZQWR application, or MSP430F6436IZQWR equivalent, key selection criteria include standby current (1.8 µA @ 3.0 V), wake-up time (3 µs), LCD segment count (160), DAC channel count (2), and MicroStar Junior BGA (113-pin) package compatibility with space-constrained embedded designs.
Technical Context
The MSP430F6436IZQWR implements a unified clock system with FLL stabilization, VLO/REFO internal sources, and support for 32-kHz XT1 and up to 32-MHz XT2 crystals. Its power management includes programmable LDO core regulation, supply supervision, and five low-power modes (LPM0–LPM4.5) enabling sub-µA RTC operation.
Peripherals are tightly integrated: ADC12_A supports autoscan across 12 external + 4 internal channels with shared reference; DAC12_A provides synchronized dual-channel voltage output; USCI_A0/A1 handle UART/IrDA/SPI; USCI_B0/B1 support I²C/SPI; and LCD_B drives 160 segments with contrast control - all accessible via 74 GPIO pins mapped across Ports P1–P9 and PJ.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with constant generators and 20-MHz max system clock - enables high code efficiency and deterministic real-time response. |
| Memory | 128 KB flash / 18 KB RAM + 8 B backup RAM - sufficient for complex sensor firmware with RTC data retention during power loss. |
| ADC | 12-bit, 200 ksps, 16-channel (12 ext, 4 int), autoscan - supports simultaneous multi-sensor acquisition without CPU intervention. |
| DAC | Dual 12-bit voltage-output DACs with synchronization - enables precise analog waveform generation or bias control in closed-loop systems. |
| Low-Power Modes | LPM3: 1.8 µA @ 3.0 V (RTC + RAM active); LPM3.5: 1.1 µA @ 3.0 V (RTC + crystal); LPM4.5: 0.3 µA - extends coin-cell battery life to years. |
| Wake-up Time | 3 µs from LPM3 to active mode - meets fast-response requirements in interrupt-driven sensor wake-up applications. |
| LCD Driver | Integrated LCD_B supporting up to 160 segments with contrast control - eliminates external display controller in portable instrumentation. |
Pinout & Package
Package: MicroStar Junior™ BGA (113-pin, 7 mm × 7 mm). Pinout validated per TI SLAS720F datasheet Figures 7-3 and 7-4 for ZQW package variants. Note: All ZQW-orderable parts are Last Time Buy per TI Product Lifecycle notice.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI input / Spy-Bi-Wire debug I/O | Single-pin multifunction interface for reset assertion, non-maskable interrupt, and in-circuit programming/debugging. |
| P1.x–P9.x, PJ.x | General-purpose I/O with peripheral multiplexing | 74 total GPIO pins support configurable digital I/O, timer capture/compare, ADC inputs, USCI signals, and LCD segment/com drivers. |
| XIN / XOUT | Low-frequency crystal oscillator terminals | Supports 32.768-kHz watch crystal for precision RTC timing with automatic gain control. |
| XT2IN / XT2OUT | High-frequency crystal oscillator terminals | Enable up to 32-MHz system clock source for high-speed processing or communication interfaces. |
| LDOI / LDOO | LDO input and regulated output rails | Accepts 3.3-V input and delivers stable core voltage; allows single-rail power design with integrated regulation. |
| VBAK / VBAT | Battery backup supply inputs | Enable RTC and backup RAM retention during main power loss using coin-cell or supercapacitor. |
Key Features
| Feature | Design Value |
|---|---|
| Fully integrated 3.3-V LDO | Eliminates external regulator; supports programmable core voltage scaling to optimize active-mode power vs. performance. |
| Hardware multiplier (MPY32) | Accelerates 16/32-bit arithmetic for FFT, filtering, or sensor fusion algorithms without consuming CPU cycles. |
| 6-channel DMA | Enables zero-CPU-overhead data movement between peripherals (e.g., ADC → RAM, RAM → DAC) for continuous streaming. |
| Unified clock system with FLL | Stabilizes DCO frequency across voltage/temperature; enables rapid clock switching between low-power and high-speed modes. |
| Supply voltage supervisor (SVS) & brownout reset (BOR) | Ensures reliable operation during power ramp-up/down and prevents erratic behavior under undervoltage conditions. |
Applications
| Analog Sensor Systems | Digital Motor Control |
|---|---|
Use Scenario: Portable gas analyzer measuring CO₂ and humidity via electrochemical and capacitive sensors. IC Role / Device Role / Timing Role: Central MCU managing sensor excitation, 12-bit ADC sampling, temperature compensation, and LCD display update. Use Value: Ultra-low standby current (1.8 µA) enables >5-year battery life; integrated DACs generate precise sensor bias voltages. | Use Scenario: Closed-loop BLDC motor controller in cordless power tools with hall-effect position feedback. IC Role / Device Role / Timing Role: Real-time PWM generator using Timer_B with 7 capture/compare registers and ADC-triggered current sensing. Use Value: 3-µs wake-up ensures immediate response to overcurrent events; hardware multiplier accelerates PID calculations. |
| Remote Controls | Hand-held Meters |
Use Scenario: IR-based universal remote with customizable button mapping and RF pairing capability. IC Role / Device Role / Timing Role: Low-power host processor handling IR encoding/decoding (USCI_A), button scan, and EEPROM storage. Use Value: Integrated IrDA encoder/decoder reduces BOM count; LPM4.5 (0.3 µA) enables multi-year shelf life. | Use Scenario: Battery-powered multimeter with auto-ranging, true-RMS AC measurement, and segmented LCD. IC Role / Device Role / Timing Role: Signal conditioner and display controller - digitizing analog inputs via ADC12_A and driving 160-segment LCD_B. Use Value: On-chip LCD driver eliminates external display IC; 12-bit ADC with internal reference enables accurate DC voltage measurement. |
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 |
|---|---|---|---|
| MSP430F6438IPZ | 256 KB flash (vs. 128 KB), same RAM, peripherals, and pinout in 100-pin LQFP - no BGA package. | Supports larger firmware images (e.g., BLE stack + sensor fusion), but requires PCB redesign for LQFP footprint. | Select when firmware size exceeds 128 KB and board layout permits 14×14 mm LQFP. |
| MSP430F6436IPZ | Identical core specs and peripherals, but in 100-pin LQFP (14 mm × 14 mm) instead of 113-pin MicroStar Junior BGA. | Same functionality with through-hole or surface-mount compatibility; avoids BGA assembly complexity and rework constraints. | Select for prototyping, lower-volume production, or where BGA reflow capability is unavailable. |
Compared with MSP430F6436IZQWR, MSP430F6438IPZ offers double flash capacity at the cost of package change and larger footprint, while MSP430F6436IPZ delivers identical functionality in a manufacturable LQFP - making it the most direct alternative for design migration without feature trade-offs.
Availability
MSP430F6436IZQWR is available at Aetrix Electronics and suitable for analog sensor systems, handheld meters, and remote controls requiring stable component supply and long-term lifecycle support despite its Last Time Buy status in the ZQW package.
Supply support for MSP430F6436IZQWR 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 for industrial, automotive, and consumer applications.
The MSP430F6436IZQWR belongs to the MSP430F643x ultra-low-power MCU product line, designed specifically for battery-operated measurement and instrumentation systems demanding extended runtime, integrated analog peripherals, and robust real-time control.
FAQ
What is the maximum operating frequency of the MSP430F6436IZQWR?
The MSP430F6436IZQWR supports a maximum system clock frequency of 20 MHz. This is achieved using the digitally controlled oscillator (DCO) stabilized by the FLL loop, or optionally via the high-frequency XT2 crystal oscillator rated up to 32 MHz. The 20-MHz specification reflects the guaranteed operational limit under recommended conditions (1.8 V–3.6 V supply, –40°C to 85°C).
Does the MSP430F6436IZQWR support hardware debugging?
Yes, the MSP430F6436IZQWR supports hardware debugging via the Spy-Bi-Wire (SBW) interface using the RST/NMI/SBWTDIO pin. It also supports full JTAG access through dedicated PJ.0–PJ.3 pins. Both interfaces enable flash programming, real-time breakpoint setting, register inspection, and memory read/write during development and field updates.
What LCD configuration does the MSP430F6436IZQWR support?
The MSP430F6436IZQWR integrates the LCD_B module supporting up to 160 segments with static, 2-, 3-, or 4-mux operation. It includes programmable contrast control, charge pump, and dedicated segment/com drivers. The driver is fully functional with internal bias generation and requires no external components beyond the LCDCAP capacitor tied to DVSS when unused.
Is the MSP430F6436IZQWR pin-compatible with other devices in the F643x family?
No - the MSP430F6436IZQWR uses the 113-pin MicroStar Junior BGA (ZQW) package, while other F643x variants like MSP430F6436IPZ use 100-pin LQFP. Pinouts differ significantly between packages. Within the ZQW family, MSP430F6438IZQW shares the same pinout but differs in flash size; however, TI discontinued ZQW variants except for legacy support.
What is the RTC backup capability of the MSP430F6436IZQWR?
The MSP430F6436IZQWR RTC_B module supports battery backup via dedicated VBAK and VBAT pins. When main power fails, the RTC continues running using an external coin-cell or supercapacitor, retaining time, date, alarms, and 8 B of backup RAM. In LPM3.5 mode, RTC operation consumes only 1.1 µA at 3.0 V with crystal enabled.
MSP430F6436IZQWR 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
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, 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:
MSP430F6436IZQWR FAQ
1.How can I place an order for MSP430F6436IZQWR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6436IZQWR 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 MSP430F6436IZQWR reliable?
The price and inventory of MSP430F6436IZQWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6436IZQWR is usually 5 days.
3.What payment methods are accepted for MSP430F6436IZQWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6436IZQWR transactions.
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4.How is shipping managed for MSP430F6436IZQWR?
MSP430F6436IZQWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6436IZQWR 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 MSP430F6436IZQWR?
For technical support, including MSP430F6436IZQWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6436IZQWR requirements.
6.How does Aetrix verify that MSP430F6436IZQWR is sourced from the original manufacturer or authorized distributors?
All MSP430F6436IZQWR 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 MSP430F6436IZQWR meets industry standards.
7.What is the process for return or replacement of MSP430F6436IZQWR?
All MSP430F6436IZQWR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6436IZQWR, 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 MSP430F6436IZQWR part is unused and in its original packaging.
Return procedure for MSP430F6436IZQWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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