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Texas Instruments MSP430F1612IRTDR
- Part No.:
- MSP430F1612IRTDR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
MSP430F1612IRTDR.pdf
- Description:
- IC MCU 16BIT 55KB FLASH 64VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,188
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Product details
Overview
MSP430F1612IRTDR from Texas Instruments is an ultralow-power 16-bit RISC 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 modes. It operates from 1.8 V to 3.6 V and targets battery-powered sensor systems and portable instrumentation.
For engineers reviewing the MSP430F1612IRTDR datasheet, MSP430F1612IRTDR pinout, MSP430F1612IRTDR application, or MSP430F1612IRTDR equivalent, key selection criteria include its 55KB flash capacity, 5KB RAM with extended addressing, 64-pin QFN (RTD) package, wake-up time under 6 μs from standby, and dual-serial interface support for multi-protocol connectivity in space-constrained designs.
Technical Context
The MSP430F1612IRTDR implements a 16-bit RISC CPU with seven addressing modes, constant generators, and 16 general-purpose registers enabling single-cycle register operations. Its clock system includes digitally controlled oscillator (DCO), ACLK, SMCLK, and MCLK with XT1/XT2 crystal support up to 8 MHz.
It integrates peripheral modules directly mapped into memory space: ADC12 with 8-channel analog input, DAC12 with voltage-output dual channels, Comparator_A, hardware multiplier (MPY/MAC), and JTAG/EEM for on-chip debugging. The device supports five low-power modes (LPM0–LPM4), with LPM4 drawing only 0.2 μA in RAM-retention mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle; enables deterministic real-time control and efficient C-code execution |
| Flash Memory | 55KB + 256B information memory; sufficient for complex firmware with bootloader, calibration data, and field updates |
| RAM | 5KB total (3KB extended + 2KB mirrored); supports large C-stack, real-time buffers, and multi-tasking in embedded applications |
| ADC | 12-bit SAR ADC with 8 inputs, internal reference, sample-and-hold, and autoscan; delivers <10 μs conversion for high-speed sensor sampling |
| DAC | Dual 12-bit voltage-output DACs with synchronization; enables precise analog waveform generation or control signal synthesis |
| Timers | Timer_A3 (3 capture/compare registers) and Timer_B7 (7 capture/compare-with-shadow registers); supports PWM, input capture, and time-critical event sequencing |
| Serial Interfaces | USART0 (UART/SPI/I²C) and USART1 (UART/SPI); provides dual independent communication paths for sensor fusion or host-peripheral bridging |
Pinout & Package
Package: 64-pin QFN (RTD), 9 mm × 9 mm, 0.5 mm pitch, exposed thermal pad connected to DVSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI | Reset / Nonmaskable Interrupt Input | Active-low reset initiation and NMI trigger; also enters bootstrap loader when held during power-up |
| P1.0/TACLK | Timer_A Clock Input | External clock source for Timer_A; enables asynchronous timing or external event counting |
| P2.6/ADC12CLK/DMAE0 | ADC Conversion Clock / DMA Trigger | Configurable as ADC sampling clock source or external DMA channel 0 trigger for autonomous data acquisition |
| P3.1/SIMO0/SDA | USART0 SPI MOSI / I²C Data | Shared function pin supporting SPI master-out-slave-in or bidirectional I²C data line with open-drain capability |
| P3.3/UCLK0/SCL | USART0 SPI Clock / I²C Clock | Provides synchronous clock for SPI or bidirectional I²C clock line; requires external pull-up for I²C operation |
| P5.7/TBOUTH/SVSOUT | Timer_B Output High-Z / SVS Output | Drives all Timer_B PWM outputs to high-impedance state or outputs supply-voltage supervisor status |
| P6.6/A6/DAC0 | Analog Input / DAC0 Output | Configurable as ADC channel A6 or dedicated voltage-output DAC channel 0; no external buffer required |
| P6.7/A7/DAC1/SVSIN | Analog Input / DAC1 Output / SVS Input | Supports ADC channel A7, DAC channel 1 output, or external threshold input to supply-voltage supervisor |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-Power Operation | Active mode: 330 μA at 1 MHz/2.2 V; Standby: 1.1 μA; Off mode (RAM retention): 0.2 μA - extends battery life in portable meters and wireless sensors |
| Wake-Up Time | <6 μs from standby to active mode - enables rapid response to intermittent events without sacrificing energy efficiency |
| Dual USART Support | USART0 (UART/SPI/I²C) and USART1 (UART/SPI) - allows concurrent communication with multiple peripherals (e.g., sensor bus + host UART) |
| Hardware Multiplier | MPY, MPYS, MAC, MACS instructions - accelerates math-intensive tasks like filtering, FFT, or PID control without CPU overhead |
| Extended RAM Addressing | 5KB RAM with 3KB extended segment - supports large data buffers, real-time OS stacks, and memory-mapped configuration tables |
| On-Chip Debug & Programming | JTAG/EEM and BSL via UART - eliminates need for external programmers; enables field firmware updates using P1.1/P2.2 pins |
Applications
| Portable Gas Sensor Node | Industrial Temperature Controller |
|---|---|
Use Scenario: Battery-powered handheld gas detector with electrochemical sensors and LCD display. IC Role / Device Role / Timing Role: Central controller managing ADC sampling of sensor voltages, DAC-driven bias voltage generation, real-time temperature compensation, and UART-based reporting to host. Use Value: 55KB flash stores multi-gas calibration algorithms; 5KB RAM buffers transient readings; dual USARTs enable simultaneous sensor bus (I²C) and host telemetry (UART). |
Use Scenario: DIN-rail mounted temperature regulator using RTD/thermocouple inputs and solid-state relay outputs. IC Role / Device Role / Timing Role: Precision analog front-end controller performing cold-junction compensation, PID loop execution, and PWM-driven SSR control. Use Value: 12-bit ADC with internal reference ensures stable measurement across 1.8–3.6 V supply range; Timer_B7 shadow registers enable glitch-free PWM output for heater control. |
| Smart Water Meter Interface | Low-Power Data Logger |
Use Scenario: Ultrasonic flow meter with pulse-counting, pressure sensing, and LoRaWAN backhaul. IC Role / Device Role / Timing Role: System-on-chip handling flow pulse capture (P1.0/TACLK), analog pressure reading (ADC12), and LoRa module UART interface (USART1). Use Value: Wake-up from LPM4 in <6 μs on flow pulses preserves battery life; dual USARTs isolate sensor acquisition (USART0) from radio comms (USART1). |
Use Scenario: Environmental monitoring node logging temperature/humidity/pressure at 10-minute intervals using coin-cell battery. IC Role / Device Role / Timing Role: Autonomous data acquisition engine with RTC-less timekeeping via DCO calibration, flash-based circular buffer, and periodic wake-up. Use Value: 0.2 μA off-mode current enables >10-year operation; 256B information memory stores calibration constants; BSL enables remote firmware patching over UART. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F1611IRTDR | 48KB flash, 10KB RAM, same peripherals and pinout | Better suited for applications requiring larger runtime data buffers or complex RTOS usage | Select when firmware size is ≤48KB but RAM demand exceeds 5KB |
| MSP430F169IPM | 60KB flash, 2KB RAM, 64-pin QFP (PM), no extended RAM addressing | Preferred for through-hole assembly or legacy PCBs with QFP footprint; lower RAM limits real-time buffering | Choose for compatibility with existing PM-layout designs where flash >55KB is needed and RAM ≤2KB suffices |
Compared with MSP430F1611IRTDR, the MSP430F1612IRTDR trades 7KB flash for 5KB RAM instead of 10KB - optimizing for memory-intensive firmware with moderate data storage needs; versus MSP430F169IPM, it offers superior RAM architecture and QFN thermal performance but requires PCB redesign.
Availability
MSP430F1612IRTDR is available at Aetrix Electronics and suitable for portable instrumentation, industrial process controllers, and battery-powered environmental monitors requiring stable component supply, long-term lifecycle support, and consistent parametric performance across temperature ranges.
Supply support for MSP430F1612IRTDR 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 with emphasis on energy efficiency and system integration.
The MSP430F161x product line is designed for ultralow-power mixed-signal applications demanding high analog precision, real-time responsiveness, and extended battery life - especially in portable measurement, sensor fusion, and industrial control systems.
FAQ
What is the maximum operating frequency of the MSP430F1612IRTDR?
The MSP430F1612IRTDR supports a maximum system clock (MCLK) frequency of 8 MHz when using the external XT2 oscillator. Its internal DCO can be calibrated to deliver stable operation up to 8 MHz across voltage and temperature, enabling deterministic real-time execution without external crystals in cost-sensitive designs. The MSP430F1612IRTDR's 125-ns instruction cycle time is guaranteed at this speed under specified conditions.
Does the MSP430F1612IRTDR support I²C communication?
Yes, the MSP430F1612IRTDR supports I²C communication exclusively through USART0, using pins P3.1 (SDA) and P3.3 (SCL). This implementation complies with standard I²C protocol timing and drive requirements, including open-drain configuration and slew-rate control. The MSP430F1612IRTDR does not support I²C on USART1 - that interface is limited to UART and SPI modes per the device specification.
How much RAM is accessible in the MSP430F1612IRTDR, and how is it organized?
The MSP430F1612IRTDR provides 5KB of total RAM: 2KB mirrored at 01100h–018FFh and 3KB extended at 01900h–024FFh. This architecture enables flexible memory mapping - the mirrored region supports fast access for stack and critical variables, while the extended segment accommodates large buffers or heap allocations. The MSP430F1612IRTDR's memory controller handles automatic address translation without software overhead.
Can the MSP430F1612IRTDR perform simultaneous ADC and DAC operations?
Yes, the MSP430F1612IRTDR supports concurrent ADC and DAC operation using independent clock domains and DMA triggers. The ADC12 and DAC12 modules share no critical resources; their clocks (ADC12CLK and DAC12CLK) can be sourced separately, and DMA channel 0 can trigger ADC conversions while DAC outputs are updated via timer-triggered writes. This capability is confirmed in the MSP430F1612IRTDR functional block diagram and interrupt vector table.
What debug interfaces are supported by the MSP430F1612IRTDR?
The MSP430F1612IRTDR supports JTAG-based debugging and programming via TCK, TMS, TDI/TCLK, and TDO/TDI pins (pins 57, 56, 55, 54), as well as UART-based bootstrap loader (BSL) using P1.1 (TX) and P2.2 (RX). Both interfaces are fully integrated and require no external components. The MSP430F1612IRTDR's Embedded Emulation Module (EEM) enables full-speed halt-mode debugging, real-time watchpoints, and flash breakpoint management.
MSP430F1612IRTDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-VFQFN Exposed Pad
- Series:
- MSP430x1xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not 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:
MSP430F1612IRTDR FAQ
1.How can I place an order for MSP430F1612IRTDR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F1612IRTDR 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 MSP430F1612IRTDR reliable?
The price and inventory of MSP430F1612IRTDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F1612IRTDR is usually 5 days.
3.What payment methods are accepted for MSP430F1612IRTDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F1612IRTDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F1612IRTDR?
MSP430F1612IRTDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F1612IRTDR 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 MSP430F1612IRTDR?
For technical support, including MSP430F1612IRTDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F1612IRTDR requirements.
6.How does Aetrix verify that MSP430F1612IRTDR is sourced from the original manufacturer or authorized distributors?
All MSP430F1612IRTDR 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 MSP430F1612IRTDR meets industry standards.
7.What is the process for return or replacement of MSP430F1612IRTDR?
All MSP430F1612IRTDR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F1612IRTDR, 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 MSP430F1612IRTDR part is unused and in its original packaging.
Return procedure for MSP430F1612IRTDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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