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Texas Instruments MSP430F436IPNR24
- Part No.:
- MSP430F436IPNR24
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
MSP430F436IPNR24.pdf
- Description:
- IC MCU 16BIT 24KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:10,075
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Product details
Overview
MSP430F436IPNR24 from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller featuring 24KB+256B flash memory, 1KB RAM, integrated 12-bit ADC with internal reference and autoscan, dual 16-bit timers (Timer_A3 and Timer_B3), two USARTs, LCD driver for up to 160 segments, and hardware multiplier-designed for battery-powered portable measurement and display systems.
For engineers reviewing the MSP430F436IPNR24 datasheet, MSP430F436IPNR24 pinout, MSP430F436IPNR24 application, or MSP430F436IPNR24 equivalent, key selection considerations include its 80-pin QFP package, 1.8–3.6 V supply range, <6 µs wake-up from standby, 280 µA active current at 1 MHz/2.2 V, and integrated LCD/ADC/timer peripherals for sensor-to-display embedded control.
Technical Context
The MSP430F436IPNR24 implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO), enabling sub-6 µs wake-up from standby mode. Its architecture supports five power-saving modes and integrates analog functions-including a 12-bit ADC with sample-and-hold, on-chip comparator, and programmable SVS with voltage-level detection.
It features two independent 16-bit timers: Timer_A3 with three capture/compare registers and Timer_B3 with three capture/compare registers plus shadow registers. The device includes two USART modules configurable as UART or SPI, and an LCD controller supporting static to 4-mux displays with up to 160 segments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle time and hardware multiplier |
| Flash / RAM | 24KB+256B flash memory and 1KB RAM for firmware storage and real-time data buffering |
| Supply Voltage | 1.8 V to 3.6 V operation enables direct use with single-cell Li-ion or dual-cell alkaline batteries |
| Active Current | 280 µA at 1 MHz and 2.2 V-enables multi-year battery life in low-duty-cycle sensing applications |
| Standby Current | 1.1 µA with RAM retention-supports rapid wake-up without full system reinitialization |
| ADC Resolution | 12-bit SAR ADC with internal reference, sample-and-hold, and autoscan for multi-channel sensor acquisition |
| LCD Drive | Integrated driver supporting up to 160 segments with 1–4 multiplexing for segment-based displays |
Pinout & Package
Package: 80-pin plastic quad flat pack (QFP), PN suffix, -40°C to +85°C operating range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DVCC1 / DVCC2 | Digital supply voltage (positive) | Dual digital power domains support isolated noise-sensitive logic sections |
| AVCC / AVSS | Analog supply voltage (positive/negative) | Independent analog rail ensures stable reference for ADC, comparator, and LCD bias circuitry |
| P1.0–P1.7 | Port 1 I/O with timer/ADC functions | Includes TA0, TA1, CA0, CA1-enables input capture, PWM generation, and analog sensing |
| P2.0–P2.7 | Port 2 I/O with timer/USART functions | Supports TB0–TB2, UTXD0/URXD0, and ADC12CLK-critical for timing and serial communication |
| P3.0–P3.7 | Port 3 I/O with USART/SPI functions | Provides STE0, SIMO0, SOMI0, UCLK0-enables full-duplex SPI or UART interface |
| P4.0–P4.7 | Port 4 I/O with LCD segment outputs | Drives S0–S9 and additional segment lines-directly interfaces with multiplexed LCD panels |
| P5.0–P5.7 | Port 5 I/O with COM/LCD/analog inputs | Supplies COM0–COM3 backplanes and R03–R33 LCD voltage levels; P5.5–P5.7 serve as ADC inputs A3–A7 |
| P6.0–P6.7 | Port 6 I/O with SVS/analog inputs | P6.7/SVSIN enables programmable brownout detection; P6.3–P6.6 are ADC inputs A3–A6 |
| XIN / XOUT | XT1 crystal oscillator terminals | Supports low-frequency watch crystals (32.768 kHz) for real-time clock and ultra-low-power timing |
| XT2IN / XT2OUT | XT2 crystal oscillator terminals | Supports high-frequency crystals (up to 8 MHz) for system clock and precise timing |
| RST/NMI | Reset and non-maskable interrupt | Enables both cold reset and emergency interrupt handling without masking by software |
| TCK / TMS / TDI / TDO | JTAG debug interface | Full boundary-scan and emulation capability via Embedded Emulation Module (EEM) |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-power operation | 1.1 µA standby and 0.1 µA off-mode (RAM retention) extend battery life in portable instruments |
| Integrated 12-bit ADC | Internal reference, sample-and-hold, and autoscan enable autonomous multi-channel sensor acquisition without external components |
| Dual 16-bit timers with shadow registers | Timer_B3 shadow registers prevent race conditions during PWM updates in motor or power control loops |
| Two configurable USARTs | Software-selectable UART or SPI mode per USART allows flexible host communication or peripheral daisy-chaining |
| On-chip LCD driver (160 seg) | Eliminates external display controllers and reduces BOM cost in metering and handheld HMI designs |
| Hardware multiplier | Accelerates math-intensive tasks like FFT, filtering, and calibration-reducing active time and total energy consumption |
Applications
| Portable Energy Metering | Handheld Test Equipment |
|---|---|
Use Scenario: Battery-powered electricity meters capturing voltage/current waveforms, computing RMS, harmonics, and tariff data. IC Role / Device Role / Timing Role: Central controller executing metrology algorithms, managing LCD display, and communicating via UART to optical port or RF module. Use Value: 12-bit ADC with autoscan and internal reference enables accurate multi-channel sampling; 1.1 µA standby preserves battery during idle periods between readings. | Use Scenario: Portable multimeters and insulation testers requiring real-time analog front-end control, digitization, and segmented LCD output. IC Role / Device Role / Timing Role: Mixed-signal processor handling analog conditioning, ADC conversion, calculation, and direct LCD segment driving. Use Value: Integrated LCD driver (160 seg) and 12-bit ADC eliminate discrete display drivers and external references-reducing board area and component count. |
| Industrial Sensor Nodes | Low-Power HMI Panels |
Use Scenario: Wireless temperature/humidity nodes in building automation, logging data and transmitting via UART-to-LoRa bridge. IC Role / Device Role / Timing Role: Sensor interface MCU acquiring analog signals, applying calibration, and managing sleep/wake cycles using Timer_B3 interrupts. Use Value: Sub-6 µs wake-up from standby and 280 µA active current at 1 MHz minimize energy per measurement cycle-extending node lifetime to >5 years on coin cell. | Use Scenario: Local operator interfaces on HVAC controllers or pump stations, displaying status, setpoints, and alarms on monochrome LCD. IC Role / Device Role / Timing Role: Dedicated display controller with real-time button scanning, backlight control, and dynamic content update via Timer_A3 PWM. Use Value: Hardware multiplier accelerates font rendering and menu navigation logic; integrated COM/segment drivers simplify PCB layout and reduce EMI. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F437IPN | 32KB+256B flash, 1KB RAM, identical peripherals and pinout | Higher firmware capacity for complex metrology or communication stacks | Select when firmware size exceeds 24KB or future feature expansion is required |
| MSP430F435IPN | 16KB+256B flash, 512B RAM, same peripheral set and package | Suitable for simpler sensor readout or basic display control with smaller code footprint | Choose for cost-sensitive designs where flash/RAM headroom is sufficient and BOM optimization is critical |
Compared with MSP430F436IPNR24, MSP430F437IPN offers 8KB more flash for advanced algorithms without changing PCB layout, while MSP430F435IPN reduces memory cost by 33% but constrains firmware scalability-making MSP430F436IPNR24 the balanced choice for mid-complexity portable instrumentation.
Availability
MSP430F436IPNR24 is available at Aetrix Electronics and suitable for portable energy metering, handheld test equipment, industrial sensor nodes, and low-power HMI panels requiring stable component supply across long-lifecycle industrial programs.
Supply support for MSP430F436IPNR24 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 microcontroller innovation.
The MSP430x43x family targets ultralow-power portable measurement and display applications-designed to maximize battery life while integrating precision analog, timing, and human-interface peripherals in a single chip.
FAQ
What is the maximum operating frequency of the MSP430F436IPNR24?
The MSP430F436IPNR24 supports a maximum system clock frequency of 8 MHz via the FLL+ module using the XT2 oscillator. Its 125-ns instruction cycle time corresponds to 8 MHz operation, and it maintains full functionality-including ADC conversions and LCD refresh-at this rate while staying within its 1.8–3.6 V supply range. The DCO can also be calibrated for precise lower-frequency operation in ultra-low-power modes.
Does the MSP430F436IPNR24 include a hardware multiplier?
Yes, the MSP430F436IPNR24 includes a dedicated hardware multiplier supporting MPY, MPYS, MAC, and MACS instructions. This unit accelerates arithmetic operations used in digital filtering, sensor linearization, and display rendering-reducing CPU load and active time. It is fully integrated into the 16-bit CPU pipeline and accessible via standard assembly or C intrinsics without external components.
How many LCD segments can the MSP430F436IPNR24 drive, and what mux configurations are supported?
The MSP430F436IPNR24 drives up to 160 LCD segments with 1-, 2-, 3-, or 4-mux configurations. It provides four common outputs (COM0–COM3) and up to 40 segment lines (S0–S39), enabling static, 2-segment, 3-segment, or 4-segment multiplexed displays. The integrated charge pump and resistor ladder support internal bias generation, eliminating external components for most monochrome LCD applications.
Is the MSP430F436IPNR24 pin-compatible with other devices in the MSP430x43x family?
Yes, the MSP430F436IPNR24 is pin-compatible with MSP430F435IPN and MSP430F437IPN in the 80-pin QFP (PN) package. All share identical pin assignments, electrical characteristics, and peripheral mappings-including Timer_A3, Timer_B3, two USARTs, 12-bit ADC, and LCD driver. Firmware and PCB layouts are interchangeable across these variants, differing only in flash/RAM capacity.
What development tools are officially supported for programming and debugging the MSP430F436IPNR24?
Texas Instruments officially supports the MSP-FET430UIF (USB) and MSP-FET430PIF (parallel port) debug interfaces for programming and real-time debugging of the MSP430F436IPNR24. These connect to the JTAG pins (TCK, TMS, TDI, TDO, RST/NMI) and leverage the on-chip Embedded Emulation Module (EEM). Code can be loaded via BSL using UART or Spy-Bi-Wire, and TI's Code Composer Studio IDE provides full toolchain integration for the MSP430F436IPNR24.
MSP430F436IPNR24 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 80-LQFP
- Series:
- MSP430x4xx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, LCD, POR, PWM, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 24KB (24K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F436IPNR24 FAQ
1.How can I place an order for MSP430F436IPNR24 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F436IPNR24 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 MSP430F436IPNR24 reliable?
The price and inventory of MSP430F436IPNR24 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F436IPNR24 is usually 5 days.
3.What payment methods are accepted for MSP430F436IPNR24?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F436IPNR24 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F436IPNR24?
MSP430F436IPNR24 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F436IPNR24 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 MSP430F436IPNR24?
For technical support, including MSP430F436IPNR24 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F436IPNR24 requirements.
6.How does Aetrix verify that MSP430F436IPNR24 is sourced from the original manufacturer or authorized distributors?
All MSP430F436IPNR24 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 MSP430F436IPNR24 meets industry standards.
7.What is the process for return or replacement of MSP430F436IPNR24?
All MSP430F436IPNR24 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F436IPNR24, 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 MSP430F436IPNR24 part is unused and in its original packaging.
Return procedure for MSP430F436IPNR24:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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