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Texas Instruments MSP430F1612IPM
- Part No.:
- MSP430F1612IPM
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MSP430F1612IPM.pdf
- Description:
- IC MCU 16BIT 55KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:229
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Product details
Overview
MSP430F1612IPM from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller featuring 55KB+256B flash memory, 5KB RAM, dual 12-bit DACs, a 12-bit ADC with internal reference and autoscan, two 16-bit timers (Timer_A3 and Timer_B7), three-channel DMA, and dual USARTs supporting UART/SPI/I²C. It operates from 1.8 V to 3.6 V and targets battery-powered sensor systems and portable instrumentation.
For engineers reviewing the MSP430F1612IPM datasheet, MSP430F1612IPM pinout, MSP430F1612IPM application, or MSP430F1612IPM equivalent, key selection criteria include its 55KB flash capacity, 5KB RAM with extended addressing, 64-pin QFP package, dual USART support (including I²C on USART0), and LPM4 standby current of 0.2 μA with RAM retention.
Technical Context
The MSP430F1612IPM implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations and high code efficiency. Its clock system integrates DCO, ACLK, SMCLK, and MCLK with programmable dividers and supports crystal oscillators XT1 (32 kHz) and XT2 (up to 8 MHz).
It features two independent serial interfaces: USART0 supports asynchronous UART, synchronous SPI, and I²C modes; USART1 supports UART and SPI only. Timer_B7 provides seven capture/compare registers with shadow registers for glitch-free PWM, while Timer_A3 offers three capture/compare registers optimized for timing and waveform generation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 general-purpose registers and constant generators; enables efficient C compilation and deterministic real-time execution. |
| Flash Memory | 55KB + 256B information memory; supports in-system programming via JTAG or BSL, enabling field firmware updates without external hardware. |
| RAM | 5KB total (3KB extended + 2KB mirrored); supports large C stacks and real-time data buffering for sensor fusion or protocol stack operation. |
| ADC | 12-bit SAR ADC with 8 channels, internal reference, sample-and-hold, and autoscan; achieves <10 μs conversion time for high-speed analog monitoring. |
| DAC | Dual 12-bit voltage-output DACs (DAC0/DAC1) with synchronization; enables simultaneous analog waveform generation or precision bias control. |
| Power Modes | Five low-power modes including LPM4 (0.2 μA RAM retention); wake-up from standby in <6 μs, critical for duty-cycled sensor nodes. |
| Operating Voltage | 1.8 V to 3.6 V supply range; compatible with single-cell Li-ion, Li-polymer, or dual alkaline batteries without regulation overhead. |
Pinout & Package
Package: 64-pin Plastic Quad Flat Package (QFP), PM suffix. Body size 10 mm × 10 mm, 0.5 mm pitch, exposed thermal pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI | Reset / Nonmaskable Interrupt Input | Active-low reset initiation and NMI event input; also triggers bootstrap loader when held during power-up. |
| P1.0/TACLK | Timer_A Clock Input | External clock source for Timer_A; enables precise timing independent of system clocks. |
| P2.6/ADC12CLK/DMAE0 | ADC Conversion Clock / DMA Trigger | Configurable as ADC sampling clock source or external trigger for DMA channel 0, enabling synchronized analog-to-memory transfers. |
| P3.1/SIMO0/SDA | USART0 SPI MOSI / I²C Data | Shared function pin: SPI master-out-slave-in or bidirectional I²C data line (open-drain capable with external pull-up). |
| P3.3/UCLK0/SCL | USART0 SPI Clock / I²C Clock | Shared function pin: SPI clock output or I²C clock line (open-drain capable); defines I²C bus timing when used as SCL. |
| P5.7/TBOUTH/SVSOUT | Timer_B Output High-Z Control / SVS Output | Drives all Timer_B PWM outputs into high-impedance state simultaneously; also outputs SVS comparator trip signal for system-level brownout response. |
| P6.6/A6/DAC0 | Analog Input / DAC0 Output | Configurable as ADC channel A6 or voltage-output DAC0; enables shared pin usage for calibration or feedback loop closure. |
| TCK/TMS/TDI/TDO | JTAG Test Interface | Four-pin IEEE 1149.1 boundary-scan interface for debugging, programming, and production test; supports full emulation and flash erase/write. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-Power Operation | 0.2 μA in LPM4 (RAM retention) and <6 μs wake-up enable multi-year battery life in intermittent-sensing applications. |
| Dual USART with I²C Support | USART0 includes full I²C master/slave capability (SDA/SCL pins), allowing direct connection to temperature, humidity, or motion sensors without external level shifters. |
| Extended RAM Addressing | 5KB RAM with 3KB extended segment supports complex algorithms (e.g., FFT, filtering) and large protocol buffers in resource-constrained embedded designs. |
| Hardware Multiplier | Integrated 16×16-bit MPY, MPYS, MAC, MACS units accelerate math-intensive tasks like motor control or digital power conversion without CPU overhead. |
| Programmable Supply Monitoring | Supply Voltage Supervisor with user-selectable threshold and SVSOUT pin enables customizable brownout protection and graceful shutdown sequencing. |
Applications
| Portable Gas Detector | Industrial Temperature Controller |
|---|---|
Use Scenario: Handheld device measuring CO, H₂S, or O₂ concentration using electrochemical or NDIR sensors with analog front-end conditioning. IC Role / Device Role / Timing Role: Central controller managing sensor excitation, 12-bit ADC sampling, dual DAC-based reference generation, and UART/Bluetooth communication. Use Value: 55KB flash stores multi-gas calibration tables and firmware; 0.2 μA LPM4 extends battery life beyond 2 years on two AA cells. |
Use Scenario: DIN-rail mounted controller regulating furnace or HVAC zone temperature using RTD/thermocouple inputs and SSR/PWM heating outputs. IC Role / Device Role / Timing Role: Real-time processor executing PID loops at 100 Hz, driving dual 12-bit DACs for analog setpoint/reference, and logging data via USART1 to Modbus RTU gateway. Use Value: Timer_B7's seven shadowed compare registers enable synchronized multi-channel PWM for fan speed and heater control without jitter. |
| Smart Water Meter | Portable Multimeter |
Use Scenario: Ultrasonic flow meter with pulse-echo timing, battery backup, and RF mesh reporting in AMI infrastructure. IC Role / Device Role / Timing Role: Time-of-flight measurement engine using Timer_A3 capture mode, low-power RTC via ACLK, and secure OTA updates via BSL over UART. Use Value: Dual USARTs allow concurrent RF module (USART1) and metrology subsystem (USART0 I²C) communication without software arbitration. |
Use Scenario: Bench/portable multimeter acquiring AC/DC voltage, current, resistance, and capacitance with autoranging and LCD display. IC Role / Device Role / Timing Role: Mixed-signal hub interfacing 12-bit ADC (autoscan), dual DACs (for auto-zero and reference scaling), and segmented LCD driver via GPIO. Use Value: 5KB RAM buffers full-screen digitized waveforms; hardware multiplier accelerates RMS calculations for true-RMS AC measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F1611IPM | 48KB flash, 10KB RAM, same peripherals and pinout | Better suited for applications requiring larger RAM for protocol stacks or floating-point math; less flash for firmware growth headroom | Select when RAM demand exceeds 5KB but flash needs remain ≤48KB; identical migration path for PCB and firmware. |
| MSP430F169IPM | 60KB flash, 2KB RAM, Timer_B7, dual USART, no extended RAM addressing | Higher flash capacity for complex GUI or logging; lower RAM limits real-time buffer depth and C-stack safety margin | Choose when firmware size dominates design constraints and RAM usage stays below 2KB; requires RAM-aware code refactoring. |
Compared with MSP430F1611IPM and MSP430F169IPM, the MSP430F1612IPM uniquely balances 55KB flash for feature-rich firmware with 5KB RAM-including 3KB extended segment-for deep sensor buffering and algorithmic headroom, making it optimal for next-generation portable instrumentation where both code and data scalability matter.
Availability
MSP430F1612IPM is available at Aetrix Electronics and suitable for portable instrumentation, industrial process monitoring, and smart utility metering requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across temperature ranges.
Supply support for MSP430F1612IPM 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 markets.
The MSP430F161x product line is designed for ultralow-power mixed-signal applications demanding extended battery life, integrated analog peripherals, and deterministic real-time control-especially in portable measurement and sensor-edge systems.
FAQ
What is the maximum operating frequency of the MSP430F1612IPM?
The MSP430F1612IPM does not specify a maximum CPU clock frequency in its datasheet; instead, it guarantees correct operation up to 8 MHz for the XT2 oscillator input and supports MCLK derived from DCO, XT1, or XT2 sources. The 125-ns instruction cycle time corresponds to a 8-MHz system clock, and all timing specifications-including ADC conversion and timer resolution-are validated under this condition. The MSP430F1612IPM achieves deterministic real-time behavior without requiring overclocking.
Does the MSP430F1612IPM support I²C communication?
Yes, the MSP430F1612IPM supports I²C communication exclusively through USART0, using pins P3.1 (SDA) and P3.3 (SCL). This implementation complies with standard I²C protocol timing and supports both master and slave modes. USART1 does not provide I²C capability. The I²C interface is fully integrated with the USCI module and requires no external transceivers for standard 100 kHz or 400 kHz operation.
How much RAM is accessible in the MSP430F1612IPM, and how is it organized?
The MSP430F1612IPM provides 5KB of total RAM, structured as 3KB extended RAM (024FFh–01900h), 2KB mirrored RAM (018FFh–01100h), and 2KB legacy RAM (09FFh–0200h). This architecture allows flexible allocation: the extended segment supports large data buffers or heap usage, while the mirrored region enables safe context switching and interrupt-safe variable access. All 5KB is directly addressable by the 16-bit CPU without banking.
Can the MSP430F1612IPM be programmed in-circuit without a JTAG debugger?
Yes, the MSP430F1612IPM includes a factory-programmed Bootstrap Loader (BSL) that enables in-system programming via UART using pins P1.1 (TX) and P2.2 (RX). The BSL supports flash memory erase, read, and write operations with password protection. No external programming voltage is required, and the interface operates at standard logic levels, allowing integration with host MCUs or USB-to-UART bridges for field firmware updates.
What are the key differences between the MSP430F1612IPM and MSP430F1610IPM?
The MSP430F1612IPM has 55KB+256B flash memory and 5KB RAM, while the MSP430F1610IPM offers 32KB+256B flash and the same 5KB RAM. Both share identical peripherals-including dual USARTs, Timer_B7, dual 12-bit DACs, and 12-bit ADC-and use the same 64-pin QFP package with identical pinout and electrical characteristics. The primary distinction is firmware capacity: MSP430F1612IPM supports larger applications with more features or future-proofing headroom.
MSP430F1612IPM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-LQFP
- Series:
- MSP430x1xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 55KB (55K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 5K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F1612IPM FAQ
1.How can I place an order for MSP430F1612IPM through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F1612IPM 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 MSP430F1612IPM reliable?
The price and inventory of MSP430F1612IPM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F1612IPM is usually 5 days.
3.What payment methods are accepted for MSP430F1612IPM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F1612IPM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F1612IPM?
MSP430F1612IPM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F1612IPM 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 MSP430F1612IPM?
For technical support, including MSP430F1612IPM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F1612IPM requirements.
6.How does Aetrix verify that MSP430F1612IPM is sourced from the original manufacturer or authorized distributors?
All MSP430F1612IPM 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 MSP430F1612IPM meets industry standards.
7.What is the process for return or replacement of MSP430F1612IPM?
All MSP430F1612IPM units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F1612IPM, 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 MSP430F1612IPM part is unused and in its original packaging.
Return procedure for MSP430F1612IPM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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