My Inquiry
My Account
Texas Instruments MSP430FR2032IG56R
- Part No.:
- MSP430FR2032IG56R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 56-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430FR2032IG56R.pdf
- Description:
- IC MCU 16BIT 8.5KB FRAM 56TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,681
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MSP430FR2032IG56R from Texas Instruments is a 16-bit RISC ultra-low-power microcontroller featuring 8KB+512B FRAM, 1KB RAM, 10-bit ADC with 8 channels, dual eUSCI (UART/I²C/SPI), two Timer_A3 modules, and real-time clock capability - deployed in battery-powered smoke detectors and industrial sensor nodes requiring sub-µA standby current.
For engineers reviewing the MSP430FR2032IG56R datasheet, MSP430FR2032IG56R pinout, MSP430FR2032IG56R application, or MSP430FR2032IG56R equivalent, this page delivers verified functional specs, TSSOP-56 package mapping, low-power mode current values, capacitive touch I/O support, and validated alternative MCUs for cost- or memory-constrained designs.
Technical Context
The MSP430FR2032IG56R integrates a 16-MHz DCO with FLL, on-chip REFO (32 kHz) and VLO (10 kHz) oscillators, and supports external 32-kHz crystal operation via XT1. Its clock system enables dynamic MCLK/SMCLK/ACLK configuration with programmable prescalers.
It implements two independent Timer_A3 peripherals - each with three capture/compare registers - where CCR1 and CCR2 are externally accessible for PWM or input capture, while CCR0 serves internal period timing. The RTC counter operates in LPM3.5 at 0.77 µA using a 32.768-kHz crystal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and constant generators; enables high code efficiency and sub-10-µs wake-from-LPM3.5 latency. |
| Memory Configuration | 8KB program FRAM + 512B information FRAM + 1KB SRAM; unified nonvolatile memory with ECC and 10¹⁵ write endurance. |
| ADC Performance | 10-bit SAR ADC with 8 input channels, 200 ksps sample rate, internal 1.5-V reference, and sample-and-hold circuitry. |
| Low-Power Modes | LPM3.5 (RTC active): 0.77 µA @ 3 V with 32.768-kHz crystal; LPM4.5 (shutdown): 15 nA; Active mode: 126 µA/MHz @ 3 V. |
| Communication Peripherals | eUSCI_A0 supports UART, IrDA, SPI; eUSCI_B0 supports SPI and I²C; both include automatic baud-rate detection and clock timeout. |
| Package & I/O | TSSOP-56 (G56) package; 52 GPIOs total, all configurable as capacitive touch I/O; P1/P2 pins support interrupt/wakeup from all LPMs. |
Pinout & Package
TSSOP-56 (G56) package, 14.0 mm × 6.1 mm body size, 0.5-mm pitch, thermally enhanced design with exposed pad (not electrically connected). Compatible with standard reflow profiles and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI Input / SBW Data I/O | Active-low reset with nonmaskable interrupt capability; shares pin with Spy-Bi-Wire debug data line. |
| TEST/SBWTCK | Test Mode Select / SBW Clock | Enables JTAG/SBW programming interface; must be pulled high during normal operation to avoid debug conflicts. |
| P1.0–P1.7 | General-purpose I/O / ADC A0–A7 / eUSCI_A0 signals | 8-pin port supporting UART TX/RX, SPI, analog inputs, and capacitive touch sensing; P1.0–P1.7 support interrupt/wakeup. |
| P2.0–P2.7 | General-purpose I/O / eUSCI_B0 signals | 8-pin port supporting I²C SDA/SCL, SPI, and capacitive touch; all pins support interrupt/wakeup from LPMs. |
| P4.1/XIN & P4.2/XOUT | XT1 Crystal Oscillator Input/Output | Supports external 32.768-kHz crystal for RTC accuracy; requires external load capacitors per TI layout guidelines. |
| P5.0–P5.3 | eUSCI_B0 SPI/I²C Interface | Four-pin group for I²C (SCL/SDA) or SPI (CLK/MOSI/MISO/STE); supports master/slave modes with automatic clock stretching. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | Nonvolatile memory with 10¹⁵ write cycles, no wear leveling required, and instant write capability - eliminates EEPROM emulation overhead. |
| Capacitive Touch I/O | All 52 GPIOs support capacitive touch sensing without external components; integrated charge-transfer logic reduces BOM and firmware complexity. |
| Real-Time Clock (RTC) | Dedicated 16-bit counter running in LPM3.5 at 0.77 µA; supports calendar mode, alarm interrupts, and crystal-based timekeeping for long-life battery operation. |
| Intelligent Low-Power Timers | Two Timer_A3 modules with three capture/compare registers each; CCR1/CCR2 externally routed for PWM generation or edge-triggered capture in active or LPM modes. |
| Unified Clock System | Configurable MCLK/SMCLK/ACLK sources with programmable prescalers; ±1% DCO accuracy at room temperature using internal reference. |
Applications
| Smoke or Fire Detectors | Glass Breakage Detectors |
|---|---|
Use Scenario: Battery-powered standalone detector with periodic sensor sampling and wireless alert transmission. IC Role / Device Role / Timing Role: Primary MCU managing CO/heat sensors, driving buzzer, handling RF wakeup, and maintaining accurate time-stamped event logs. Use Value: LPM3.5 current of 0.77 µA extends 10-year battery life; FRAM enables reliable event logging without flash wear-out. |
Use Scenario: Acoustic sensor node detecting high-frequency glass fracture signatures in security systems. IC Role / Device Role / Timing Role: Signal acquisition controller performing real-time FFT preprocessing on ADC samples before triggering alarm or reporting. Use Value: 200 ksps ADC sampling and low-latency wake-from-LPM enable immediate response to transient acoustic events. |
| Industrial Sensor Management | System Supervisor / Low-Power Coprocessor |
Use Scenario: Remote environmental monitor collecting temperature, humidity, and pressure over LoRaWAN or NB-IoT. IC Role / Device Role / Timing Role: Central sensor hub aggregating data from multiple analog/digital sensors, applying calibration, and scheduling transmissions. Use Value: Dual eUSCI interfaces allow simultaneous I²C sensor bus and UART modem control; FRAM stores calibration coefficients persistently. |
Use Scenario: Auxiliary controller offloading watchdog, power sequencing, and fault monitoring from main host processor. IC Role / Device Role / Timing Role: Independent supervisor managing brown-out detection, supply rail monitoring, and safe shutdown sequences. Use Value: Integrated SVS/BOR with programmable thresholds and 15-nA LPM4.5 shutdown minimize parasitic drain during host sleep cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR2033IG56R | 15KB+512B FRAM, 2KB RAM, 10 ADC channels, 52 GPIOs - identical TSSOP-56 package and pinout. | Higher memory capacity supports larger firmware, more sensor channels, or extended data buffering in same footprint. | Select when >8KB code space or additional RAM is required; drop-in replacement with no PCB changes. |
| MSP430FR2111IPW16R | 2KB+512B FRAM, 1KB RAM, 8-pin TSSOP, 10-bit ADC (8 ch), single eUSCI_A, no RTC or eUSCI_B. | Targeted for minimal-cost, space-constrained applications like simple thermostats or LED controllers. | Choose for lowest BOM cost and smallest footprint where RTC, I²C, or dual timers are unnecessary. |
Compared with MSP430FR2032IG56R, MSP430FR2033IG56R offers scalable memory headroom in identical packaging, while MSP430FR2111IPW16R trades peripheral richness for extreme size and cost reduction - enabling tiered design reuse across product families.
Availability
MSP430FR2032IG56R is available at Aetrix Electronics and suitable for smoke detectors, industrial sensor nodes, and system supervisors requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for UL/CE-certified end equipment.
Supply support for MSP430FR2032IG56R 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 deep expertise in low-power design and industrial-grade reliability.
The MSP430FR203x family targets ultra-low-power sensing and measurement applications - optimized for battery-operated endpoints needing decades of operation, robust FRAM data integrity, and integrated analog front-end capability.
FAQ
What is the maximum operating frequency of the MSP430FR2032IG56R?
The MSP430FR2032IG56R features a digitally controlled oscillator (DCO) with frequency-locked loop (FLL) that supports up to 16 MHz operation. This maximum frequency is achievable across the full recommended voltage range (1.8 V to 3.6 V) and is specified with ±1% accuracy at room temperature using the internal reference. The device maintains full peripheral functionality at all supported clock speeds.
Does the MSP430FR2032IG56R support hardware real-time clock (RTC) functionality?
Yes, the MSP430FR2032IG56R includes a dedicated 16-bit RTC counter that operates independently in LPM3.5 mode with a 32.768-kHz crystal, consuming only 0.77 µA at 3 V. It supports calendar mode, alarm interrupts, and direct access to time/date registers - enabling precise timekeeping for battery-powered applications without waking the CPU.
How many analog input channels does the MSP430FR2032IG56R ADC support in the TSSOP-56 package?
In the TSSOP-56 (G56) package, the MSP430FR2032IG56R supports 8 analog input channels (A0–A7), mapped to P1.0 through P1.7. While the device's ADC module is capable of 10 channels, two channels (A8, A9) are not bonded out in the G56 variant - confirmed by TI's Device Comparison table and Pin Multiplexing documentation.
Is the MSP430FR2032IG56R pin-compatible with other members of the MSP430FR203x family in the same package?
Yes, the MSP430FR2032IG56R is fully pin-compatible with the MSP430FR2033IG56R in the TSSOP-56 package - sharing identical pin count, physical layout, signal assignments, and electrical characteristics. This allows direct substitution where increased FRAM (15KB vs. 8KB) or RAM (2KB vs. 1KB) is needed without board redesign.
What debug interface does the MSP430FR2032IG56R use, and what pins are required?
The MSP430FR2032IG56R uses the 2-wire Spy-Bi-Wire (SBW) interface for programming and debugging, requiring only two pins: RST/NMI/SBWTDIO (pin 16) and TEST/SBWTCK (pin 15). No external pull-ups are needed, and the interface operates at standard JTAG voltage levels - compatible with TI's MSP-FET and LaunchPad debuggers.
MSP430FR2032IG56R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 56-TFSOP (0.240", 6.10mm Width)
- Series:
- MSP430™ FRAM
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 52
- Program Memory Size:
- 8.5KB (8.5K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR2032IG56R FAQ
1.How can I place an order for MSP430FR2032IG56R through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR2032IG56R 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 MSP430FR2032IG56R reliable?
The price and inventory of MSP430FR2032IG56R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR2032IG56R is usually 5 days.
3.What payment methods are accepted for MSP430FR2032IG56R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR2032IG56R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR2032IG56R?
MSP430FR2032IG56R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR2032IG56R 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 MSP430FR2032IG56R?
For technical support, including MSP430FR2032IG56R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR2032IG56R requirements.
6.How does Aetrix verify that MSP430FR2032IG56R is sourced from the original manufacturer or authorized distributors?
All MSP430FR2032IG56R 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 MSP430FR2032IG56R meets industry standards.
7.What is the process for return or replacement of MSP430FR2032IG56R?
All MSP430FR2032IG56R units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR2032IG56R, 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 MSP430FR2032IG56R part is unused and in its original packaging.
Return procedure for MSP430FR2032IG56R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MSP430FR2032IG56R Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
