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Texas Instruments MSP430F412IPM
- Part No.:
- MSP430F412IPM
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MSP430F412IPM.pdf
- Description:
- IC MCU 16BIT 4KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,180
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Product details
Overview
MSP430F412IPM from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller featuring 4KB + 256B flash memory, 256B RAM, integrated 96-segment LCD driver, on-chip comparator, and FLL+ clock system. It operates from 1.8 V to 3.6 V, draws 200 μA active current at 1 MHz/2.2 V, and supports five power-saving modes with sub-6-μs wake-up-ideal for battery-powered handheld meters and industrial sensor interfaces.
For engineers reviewing the MSP430F412IPM datasheet, MSP430F412IPM pinout, MSP430F412IPM application, or MSP430F412IPM equivalent, key selection criteria include its 64-pin QFP (PM) package, Timer_A3 with three capture/compare registers, brownout detection, serial onboard programming without external voltage, and LCD segment drive capability for direct display integration in portable instrumentation.
Technical Context
The MSP430F412IPM implements a 16-bit RISC CPU with 125-ns instruction cycle time, constant generators for code efficiency, and dual-clock architecture (ACLK, SMCLK, MCLK) managed by the FLL+ module. Its oscillator system combines a digitally controlled oscillator (DCO) with optional 32.768-kHz crystal support for precise timing and fast low-power mode recovery.
It integrates peripheral modules directly accessible via memory-mapped I/O: Timer_A3 (3 CC registers), 48 general-purpose I/O pins across six ports, comparator_A with programmable hysteresis, and dedicated LCD control logic supporting static to 4-mux configurations. The device lacks SVS programmable level detection (present only in F415/F417), confirming its targeted role in cost-optimized, LCD-centric embedded measurement systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle; enables deterministic real-time response in sensor data acquisition loops. |
| Memory | 4KB + 256B flash program memory and 256B RAM; sufficient for firmware with LCD UI, analog sensing, and serial communication stacks. |
| Power Consumption | 200 μA active @ 1 MHz/2.2 V; 0.7 μA standby; 0.1 μA off-mode with RAM retention-enables multi-year coin-cell operation. |
| LCD Support | Integrated driver for up to 96 segments (4-mux); eliminates external display controller and reduces BOM count in metering applications. |
| Timer System | Timer_A3 with three capture/compare registers; supports PWM generation, input capture for pulse-width measurement, and interval timing. |
| Supply Range | 1.8 V to 3.6 V operation; compatible with single-cell Li-ion, two-cell alkaline, or regulated 3.3 V rails without level-shifting. |
| Wake-Up Time | <6 μs from standby to active mode; critical for duty-cycled sensor sampling where latency impacts effective sampling rate. |
Pinout & Package
Package: 64-pin plastic quad flat pack (QFP), surface-mount, JEDEC MS-026AC compliant. Thermal pad not present; standard PCB land pattern required for mechanical stability and thermal dissipation in continuous operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI | Reset / Nonmaskable Interrupt Input | Active-low reset initiation and high-priority fault handling; requires external pull-up for reliable startup. |
| P1.0/TA0 | General I/O / Timer_A Capture Compare 0 | Primary UART TX (BSL) and timer channel 0 I/O; shared function enables firmware updates over serial without additional hardware. |
| P1.1/TA0/MCLK | General I/O / Timer_A Capture Compare 0 / Master Clock Output | UART RX (BSL) and MCLK output; allows system clock monitoring or synchronization with external logic. |
| P2.6/CAOUT/S19 | General I/O / Comparator_A Output / LCD Segment 19 | Direct comparator result routing to display or control logic; dual-role pin reduces interconnect complexity in analog front-end designs. |
| COM0–COM3 | LCD Common Outputs | Four backplane drivers for 4-mux LCD; configured automatically via LCDCTL register-no port function selection needed. |
| XIN/XOUT | Crystal Oscillator Inputs | Supports 32.768 kHz watch crystal for accurate real-time clock; essential for time-stamped measurements in data loggers. |
| TCK/TMS/TDI/TDO | JTAG Test Interface | Fully compliant IEEE 1149.1 interface for in-circuit debugging, flash programming, and boundary scan verification. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-Power Operation | Five software-selectable low-power modes (LPM0–LPM4) with sub-6-μs wake-up enable aggressive duty cycling in energy-constrained devices. |
| Integrated LCD Driver | Hardware-accelerated 96-segment drive (static to 4-mux) eliminates external display IC and associated passive components, reducing board area and cost. |
| On-Chip Analog Comparator | Comparator_A with internal reference and hysteresis supports threshold detection, battery monitoring, and analog signal conditioning without external op-amps. |
| Bootstrap Loader (BSL) | UART-based flash programming using P1.0/P1.1; no external programmer required-enables field firmware updates and manufacturing flexibility. |
| FLL+ Clock System | Digital frequency-locked loop stabilizes DCO to crystal-derived reference; delivers stable MCLK/SMCLK/ACLK without external capacitors or trimming. |
Applications
| Handheld Digital Multimeter | Industrial Flow Meter Display Unit |
|---|---|
|
Use Scenario: Portable multimeter capturing voltage, current, and resistance with real-time numeric and bar-graph LCD display. IC Role / Device Role / Timing Role: Main system controller executing measurement algorithms, driving 96-segment LCD, managing button inputs, and performing auto-ranging via comparator and ADC emulation. Use Value: Integrated LCD driver and ultra-low standby current (0.7 μA) extend battery life beyond 1000 hours while maintaining instant-on responsiveness. |
Use Scenario: Local display module for flow transmitters in water/wastewater plants, showing instantaneous flow rate, totalized volume, and alarm status. IC Role / Device Role / Timing Role: Dedicated display controller interfacing with 4–20 mA or digital sensor outputs; manages LCD refresh, backlight control, and local HMI navigation. Use Value: On-chip comparator monitors supply rail integrity; brownout detector prevents corrupted display states during voltage dips common in industrial 24 V DC systems. |
| Smart Energy Sub-Meter | Portable Gas Detector |
|
Use Scenario: DIN-rail mounted sub-meter measuring kWh consumption per circuit with local LCD readout and IR communication. IC Role / Device Role / Timing Role: Low-power data concentrator processing pulse inputs from utility meters, updating LCD every 2 seconds, and managing IR physical layer timing. Use Value: FLL+ ensures stable 32.768 kHz ACLK for accurate timekeeping between meter pulses; Timer_A3 handles precise pulse counting with minimal CPU overhead. |
Use Scenario: Battery-powered gas detector with electrochemical sensor, audible/visual alarms, and segmented LCD showing concentration and battery level. IC Role / Device Role / Timing Role: Sensor signal conditioner (comparator for threshold alerts), alarm sequencer, and LCD manager with automatic contrast adjustment via COM pin control. Use Value: 0.1 μA off-mode with RAM retention preserves calibration data and alarm history during storage or transport without backup capacitor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F413IPM | 8KB + 256B flash, same RAM, identical peripherals and pinout | Supports larger firmware with more complex UI or protocol stacks (e.g., Modbus RTU over UART) | Select when firmware size exceeds 4KB or future scalability is required; drop-in replacement with no layout change. |
| MSP430F2274IPM | 16KB flash, 1KB RAM, 10-bit ADC, no integrated LCD driver, 48-pin QFP | Better suited for sensor nodes requiring analog-to-digital conversion but no built-in display | Choose when ADC functionality is mandatory and LCD is handled externally; requires PCB redesign due to different package and pin count. |
Compared with MSP430F413IPM, the MSP430F412IPM offers lower memory cost and identical LCD/peripheral integration for simpler metering tasks; versus MSP430F2274IPM, it trades ADC capability for native display control-making it optimal for display-dominant, low-firmware-complexity applications.
Availability
MSP430F412IPM is available at Aetrix Electronics and suitable for handheld instrumentation, industrial display modules, and portable safety equipment requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across temperature ranges.
Supply support for MSP430F412IPM 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 expertise in ultra-low-power design.
The MSP430x41x product line was engineered specifically for battery-operated measurement and display applications-emphasizing LCD integration, sub-μA sleep currents, and robust analog peripherals in compact packages.
FAQ
What is the maximum operating frequency of the MSP430F412IPM?
The MSP430F412IPM supports a maximum MCLK frequency of 8 MHz, derived from the FLL+ module locked to an internal DCO or external crystal source. This allows real-time execution of sensor processing and LCD refresh routines without external clock buffers, and is validated across the full −40°C to +85°C industrial temperature range specified for the MSP430F412IPM.
Does the MSP430F412IPM include a hardware ADC?
No, the MSP430F412IPM does not integrate a hardware analog-to-digital converter. It features an on-chip comparator (Comparator_A) for threshold detection and signal conditioning, but analog digitization must be implemented externally or via software-based techniques such as slope ADC using the comparator and Timer_A. This distinguishes the MSP430F412IPM from other MSP430 families like the F2xx or G2xx series that include dedicated ADC modules.
Can the MSP430F412IPM drive a 4-mux LCD directly?
Yes, the MSP430F412IPM integrates a dedicated LCD controller capable of driving up to 96 segments in static, 2-mux, 3-mux, or 4-mux configurations. It provides four COM outputs (COM0–COM3) and 48 Sx segment outputs, enabling direct connection to multiplexed LCD glass without external biasing or driver ICs-confirmed in the functional block diagram and terminal functions table for the MSP430F412IPM.
What debug interface does the MSP430F412IPM support?
The MSP430F412IPM supports full IEEE 1149.1 JTAG debugging via dedicated TCK, TMS, TDI, and TDO pins. It also enables flash programming and memory access through the bootstrap loader (BSL) using UART signals on P1.0 and P1.1. Both interfaces are fully documented and supported by TI's MSP430 Flash Emulation Tool (FET) and Code Composer Studio IDE for the MSP430F412IPM.
Is the MSP430F412IPM pin-compatible with the MSP430F415IPM?
No, the MSP430F412IPM is not pin-compatible with the MSP430F415IPM. While both use the 64-pin QFP (PM) package, the MSP430F415IPM includes additional peripherals-including Timer1_A5 (5 capture/compare registers), SVS programmable level detection, and AVSS2-requiring different pin assignments for analog supply and timer functions. Pin mappings diverge starting at P2.1 and P6.7, making direct substitution impossible without PCB revision.
MSP430F412IPM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-LQFP
- Series:
- MSP430x4xx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- -
- Peripherals:
- Brown-out Detect/Reset, LCD, POR, PWM, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 4KB (4K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- Slope A/D
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F412IPM FAQ
1.How can I place an order for MSP430F412IPM through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F412IPM 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 MSP430F412IPM reliable?
The price and inventory of MSP430F412IPM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F412IPM is usually 5 days.
3.What payment methods are accepted for MSP430F412IPM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F412IPM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F412IPM?
MSP430F412IPM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F412IPM 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 MSP430F412IPM?
For technical support, including MSP430F412IPM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F412IPM requirements.
6.How does Aetrix verify that MSP430F412IPM is sourced from the original manufacturer or authorized distributors?
All MSP430F412IPM 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 MSP430F412IPM meets industry standards.
7.What is the process for return or replacement of MSP430F412IPM?
All MSP430F412IPM units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F412IPM, 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 MSP430F412IPM part is unused and in its original packaging.
Return procedure for MSP430F412IPM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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