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Texas Instruments MSP430F2101TRGER
- Part No.:
- MSP430F2101TRGER
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 24-VFQFN Exposed Pad
- Datasheet:
-
MSP430F2101TRGER.pdf
- Description:
- IC MCU 16BIT 1KB FLASH 24VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,309
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Product details
Overview
MSP430F2101TRGER from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller featuring 1 KB Flash, 128 B RAM, a 16-bit Timer_A with three capture/compare registers, an on-chip analog comparator for slope A/D conversion, and brownout detection. It operates from 1.8 V to 3.6 V and supports active-mode current of 250 μA at 1 MHz/2.2 V - ideal for battery-powered sensor nodes and portable measurement systems.
For engineers reviewing the MSP430F2101TRGER datasheet, MSP430F2101TRGER pinout, MSP430F2101TRGER application, or MSP430F2101TRGER equivalent, this page delivers verified technical context, package-specific pin functions, real-world use cases, and validated alternative options for low-power embedded design.
Technical Context
The MSP430F2101TRGER implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations. Its basic clock module integrates a digitally controlled oscillator (DCO) calibrated to ±1% at 1/8/12/16 MHz, plus support for 32-kHz crystal and external digital clock sources.
It features two 8-bit I/O ports (P1/P2) with individually configurable pullup/down resistors and edge-selectable interrupts, a Comparator_A+ with eight input channels (CA0–CA7), and a 16-bit Timer_A3 supporting PWM, capture, and interval timing - all optimized for sub-1-μs wake-up from standby mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and 62.5-ns instruction cycle time - enables efficient C code execution and deterministic real-time response. |
| Memory | 1 KB Flash + 256 B information memory + 128 B RAM - sufficient for compact firmware with calibration data storage in segment A. |
| Supply Voltage | 1.8 V to 3.6 V - compatible with single-cell Li-ion, coin-cell, and regulated 3.3 V rails without level-shifting. |
| Active Current | 250 μA at 1 MHz / 2.2 V - enables multi-year operation on small batteries in always-on sensing applications. |
| Standby Current | 0.7 μA - allows rapid wake-up (<1 μs) while preserving RAM state for event-driven operation. |
| Operating Temp | -40°C to +105°C - qualified for industrial and automotive under-hood environments. |
| Timer Resources | 16-bit Timer_A3 with three capture/compare registers - supports dual-edge PWM, quadrature decoding, and precise time-stamping. |
Pinout & Package
Package: 24-pin QFN (RGE), 4 mm × 4 mm, exposed thermal pad (to be connected to VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TACLK | Timer_A clock input | Accepts external timing source for asynchronous timer operation; also serves as general-purpose I/O. |
| P1.1/TA0/TDI | Timer_A compare output / JTAG test data input | Provides TA0 PWM output or BSL serial transmit; dual-use pin requires careful JTAG/debug configuration. |
| P1.2/TA1 | Timer_A compare output | Delivers TA1 PWM signal or captures external events; interrupt-capable for edge-triggered wake-up. |
| P1.3/TA2 | Timer_A compare output | Supports third PWM channel or pulse-width measurement; shares interrupt vector with P1.2 and P1.1. |
| P1.4/SMCLK/TCK | Sub-main clock output / JTAG test clock | Exposes SMCLK for peripheral synchronization or acts as JTAG clock during programming. |
| P2.0/ACLK/CA2 | ACLK output / comparator input | Drives 32-kHz ACLK to peripherals or feeds CA2 for analog threshold comparison. |
| XIN/P2.6/CA6 | Crystal oscillator input / comparator input | Connects to 32-kHz watch crystal; also accepts analog signal for CA6 channel in comparator mode. |
| RST/NMI | Reset / non-maskable interrupt | Hardware reset input with NMI capability; must be pulled high externally for reliable startup. |
| VCC / VSS | Power supply / ground | Dual power pins ensure stable core/peripheral voltage; exposed thermal pad improves thermal dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.1 μA in LPM4 (RAM retention) enables decade-scale battery life in energy-constrained deployments. |
| On-chip analog comparator | Comparator_A+ supports slope A/D conversion without external ADC - reduces BOM cost and board space. |
| Integrated bootstrap loader (BSL) | UART-based flash programming via P1.1/P2.2 eliminates need for JTAG hardware during field updates. |
| Digital-controlled oscillator (DCO) | Factory-calibrated DCO provides 1/8/12/16 MHz clocks without external crystal - lowers system cost and component count. |
| Two independent I/O ports | P1 and P2 each offer 8 programmable bits with interrupt, pullup/down, and port selection - simplifies sensor interface and GPIO expansion. |
Applications
| Wireless Sensor Node | Battery-Powered Data Logger |
|---|---|
Use Scenario: Compact environmental monitor collecting temperature/humidity and transmitting via sub-GHz RF transceiver. IC Role / Device Role / Timing Role: Central controller managing sensor polling, slope A/D conversion via Comparator_A+, and low-duty-cycle RF transmission scheduling. Use Value: 0.7 μA standby current extends CR2032 battery life beyond 5 years; integrated DCO eliminates crystal BOM cost. | Use Scenario: Industrial vibration logger sampling accelerometer data at 1 kHz and storing timestamps in Flash. IC Role / Device Role / Timing Role: Real-time data acquisition unit using Timer_A3 for precise 1-ms sampling intervals and Flash for non-volatile storage. Use Value: 1 KB Flash stores >10,000 timestamped samples; 16-bit Timer_A3 ensures sub-microsecond timing accuracy. |
| Smart Meter Tamper Detection | Portable Medical Diagnostic Tool |
Use Scenario: Utility meter detecting magnetic tampering via Hall-effect sensor and logging events to secure memory. IC Role / Device Role / Timing Role: Security supervisor monitoring analog comparator outputs and triggering encrypted log writes on threshold violation. Use Value: Brownout detector prevents corruption during power glitches; security fuse blocks unauthorized Flash access. | Use Scenario: Handheld ECG front-end acquiring analog biopotential signals and performing baseline correction. IC Role / Device Role / Timing Role: Analog signal conditioner using Comparator_A+ for zero-crossing detection and slope-based digitization. Use Value: CA0–CA7 inputs enable multi-channel analog monitoring; 128 B RAM buffers real-time waveform data. |
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 |
|---|---|---|---|
| MSP430F2111TRGER | 2 KB Flash, same 128 B RAM, identical pinout and peripherals - adds 1 KB program storage headroom. | Suitable where firmware complexity exceeds 1 KB or future feature expansion is anticipated. | Select when additional Flash is needed without changing PCB layout or driver software. |
| MSP430G2101IRSA | 1 KB Flash, 128 B RAM, 16-pin QFN - lacks Comparator_A+, Timer_A3 has only two CCRs, no BSL. | Targeted at simpler control tasks without analog sensing or advanced timing requirements. | Choose for cost-sensitive, digital-only applications where analog comparator and full Timer_A3 are unnecessary. |
Compared with MSP430F2101TRGER, the MSP430F2111TRGER offers scalable Flash while maintaining full compatibility, whereas the MSP430G2101IRSA reduces cost and size at the expense of analog functionality and timer depth - making it suitable only for stripped-down digital control.
Availability
MSP430F2101TRGER is available at Aetrix Electronics and suitable for wireless sensor nodes, battery-powered data loggers, and smart meter tamper detection systems requiring stable component supply across extended production lifecycles.
Supply support for MSP430F2101TRGER 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 over 90 years of innovation in low-power design.
The MSP430F21x1 product line targets ultra-low-power portable measurement and sensing applications, emphasizing extended battery life through intelligent power gating, fast wake-up, and integrated analog peripherals.
FAQ
What is the maximum operating frequency of the MSP430F2101TRGER?
The MSP430F2101TRGER supports a maximum MCLK frequency of 16 MHz when VCC ≥3.3 V, with factory-calibrated DCO settings for 1/8/12/16 MHz operation. At 2.7 V, the guaranteed maximum is 12 MHz, and at 1.8 V it is limited to 6 MHz per the recommended operating conditions table in SLAS439F. The actual achievable frequency depends on supply voltage and temperature, and must remain within the specified pulse-width constraints for reliable CPU operation.
Does the MSP430F2101TRGER include a hardware UART peripheral?
No, the MSP430F2101TRGER does not integrate a hardware UART. Serial communication is implemented via software UART or the bootstrap loader (BSL) using Timer_A and GPIO pins (P1.1 for TX, P2.2 for RX). This approach conserves die area and power but requires CPU resources for bit-banged transmission - confirmed by the absence of USCI or USART modules in the functional block diagram and peripheral file map of SLAS439F.
How is the exposed thermal pad on the MSP430F2101TRGER package intended to be connected?
The exposed thermal pad on the MSP430F2101TRGER (RGE package) must be soldered to a PCB copper pour connected to VSS, as explicitly stated in the device pinout diagram footnote: "Exposed thermal pad connection to VSS recommended." This connection improves thermal dissipation and electrical stability, especially during sustained active-mode operation, and is required for compliance with TI's thermal design guidelines for QFN packages.
Can the MSP430F2101TRGER operate without an external crystal?
Yes, the MSP430F2101TRGER can operate entirely without an external crystal. Its integrated digitally controlled oscillator (DCO) is factory-calibrated to ±1% accuracy at 1/8/12/16 MHz and supports ultra-fast wake-up (<1 μs). The basic clock module also accepts external digital clock sources, making external crystals optional - though a 32-kHz crystal is required if ACLK-dependent functions like RTC or low-frequency timer operation are needed.
What debug interfaces are supported by the MSP430F2101TRGER?
The MSP430F2101TRGER supports JTAG debugging via the TEST, TCK, TMS, TDI, and TDO pins (mapped to P1.4–P1.7 and TEST pin 1), and also includes an on-chip emulation module (EEM) for advanced breakpoint and trace capabilities. TI recommends the MSP-FET430UIF (USB) or MSP-FET430PIF (parallel) debug interfaces, both compatible with the RGE package's JTAG pin assignment as documented in SLAS439F Section "Development Tool Support".
MSP430F2101TRGER Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 24-VFQFN Exposed Pad
- Series:
- MSP430F2xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- -
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 16
- Program Memory Size:
- 1KB (1K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- Slope A/D
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2101TRGER FAQ
1.How can I place an order for MSP430F2101TRGER through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2101TRGER 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 MSP430F2101TRGER reliable?
The price and inventory of MSP430F2101TRGER are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2101TRGER is usually 5 days.
3.What payment methods are accepted for MSP430F2101TRGER?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2101TRGER transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2101TRGER?
MSP430F2101TRGER orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2101TRGER 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 MSP430F2101TRGER?
For technical support, including MSP430F2101TRGER datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2101TRGER requirements.
6.How does Aetrix verify that MSP430F2101TRGER is sourced from the original manufacturer or authorized distributors?
All MSP430F2101TRGER 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 MSP430F2101TRGER meets industry standards.
7.What is the process for return or replacement of MSP430F2101TRGER?
All MSP430F2101TRGER units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2101TRGER, 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 MSP430F2101TRGER part is unused and in its original packaging.
Return procedure for MSP430F2101TRGER:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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