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Texas Instruments MSP430F2101TDGV
- Part No.:
- MSP430F2101TDGV
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 20-TFSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430F2101TDGV.pdf
- Description:
- IC MCU 16BIT 1KB FLASH 20TVSOP
- Quantity:
- Payment:
- Shipping:
Inventory:450
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Product details
Overview
MSP430F2101TDGV from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller featuring 1KB Flash, 128B RAM, integrated Comparator_A+, Timer_A3 with three capture/compare registers, and operation across -40°C to 105°C. It delivers 250 μA active current at 1 MHz/2.2 V and wakes from standby in under 1 μs-ideal for battery-powered sensor nodes and portable measurement systems.
For engineers reviewing the MSP430F2101TDGV datasheet, MSP430F2101TDGV pinout, MSP430F2101TDGV application, or MSP430F2101TDGV equivalent, key selection criteria include its 20-pin TVSOP (DGV) package, calibrated DCO frequencies up to 16 MHz, brownout detection, JTAG/emulation support, and slope A/D capability via the analog comparator.
Technical Context
The MSP430F2101TDGV implements a 16-bit CPU with constant generators and seven addressing modes, executing register-to-register instructions in one cycle. Its basic clock module supports internal DCO (calibrated at 1/8/12/16 MHz), 32-kHz crystal (XIN/XOUT), and external digital clock sources.
It integrates Timer_A3 with three capture/compare registers for PWM, interval timing, and input capture; Comparator_A+ with eight selectable inputs (CA0–CA7) for slope A/D conversion or voltage monitoring; and dual 8-bit I/O ports (P1/P2) with individually configurable pullup/pulldown resistors and edge-selectable interrupts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and 62.5-ns instruction cycle time |
| Memory | 1KB Flash + 256B information memory + 128B RAM - sufficient for compact firmware with calibration data storage |
| Operating Voltage | 1.8 V to 3.6 V - enables direct use with single-cell Li-ion or two-cell alkaline batteries |
| Ultra-Low Power | 0.1 μA in LPM4 (RAM retention) - extends shelf life and operational runtime in intermittent-sensing applications |
| Wake-Up Time | <1 μs from standby - critical for responsive event-driven sensing without latency penalty |
| Package | 20-pin TVSOP (DGV), 4.4 mm × 6.5 mm - surface-mount compatible with high-density PCB layouts |
| Temperature Range | -40°C to +105°C - qualified for industrial and automotive under-hood environments |
Pinout & Package
Package: 20-pin Thin Very Small Outline Package (TVSOP), JEDEC MO-153, body size 4.4 mm × 6.5 mm, 0.65 mm pitch. Thermal pad not present (unlike QFN variants).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TACLK | Timer_A clock input | Accepts external timing source for precise event synchronization |
| P1.1/TA0 | Timer_A channel 0 I/O | Supports capture of rising/falling edges or PWM output generation |
| P1.2/TA1 | Timer_A channel 1 I/O | Enables dual independent PWM outputs or gated timing intervals |
| P1.3/TA2 | Timer_A channel 2 I/O | Provides third PWM/timing channel for multi-phase control or sequencing |
| P1.4/SMCLK/TCK | Sub-main clock output / JTAG test clock | Drives peripheral clocks or serves as programming interface signal |
| P1.5/TA0/TMS | Timer_A channel 0 output / JTAG mode select | Dual-function pin reduces pin count while supporting debug and control |
| P1.6/TA1/TDI/TCLK | Timer_A channel 1 output / JTAG data input or clock | Shared signal path enables in-system programming without extra pins |
| P1.7/TA2/TDO/TDI | Timer_A channel 2 output / JTAG data output or input | Supports boundary scan and real-time debugging during development |
| P2.0/ACLK/CA2 | ACLK output / comparator input | Routes low-frequency clock to peripherals or feeds analog reference |
| P2.1/INCLK/CA3 | Timer_A input clock / comparator input | Allows asynchronous event triggering or analog threshold comparison |
| P2.2/CAOUT/TA0/CA4 | Comparator output / Timer_A channel 0 / comparator input | Direct comparator-to-timer coupling enables slope A/D conversion |
| P2.3/CA0/TA1 | Comparator input / Timer_A channel 1 | Configurable analog front-end node for multi-channel sensing |
| P2.4/CA1/TA2 | Comparator input / Timer_A channel 2 | Extends analog input flexibility without external multiplexing |
| P2.5/CA5 | Comparator input | Dedicated analog input for battery voltage or sensor bias monitoring |
| XIN/P2.6/CA6 | Crystal oscillator input / comparator input | Supports precision timing or adds sixth analog input channel |
| XOUT/P2.7/CA7 | Crystal oscillator output / comparator input | Enables crystal-based real-time clock or seventh analog input |
| RST/NMI | Reset / non-maskable interrupt | Hardware reset initiation and high-priority fault handling |
| TEST | JTAG test mode enable | Activates on-chip emulation and flash programming interface |
| VCC | Supply voltage | Single 1.8–3.6 V rail powers digital and analog subsystems |
| VSS | Ground reference | Common return path for all internal circuits and I/O |
Key Features
| Feature | Design Value |
|---|---|
| On-chip emulation module (EEM) | Enables full-speed debugging, breakpoint setting, and flash programming via JTAG without external probes |
| Bootstrap loader (BSL) | Allows field firmware updates over UART using P1.1/P2.2, eliminating need for dedicated programmers |
| Digital controlled oscillator (DCO) | Four factory-calibrated frequencies (1/8/12/16 MHz) provide stable clocking without external crystals in cost-sensitive designs |
| Comparator_A+ with slope A/D | Converts analog signals to digital values using timer-triggered ramp comparison-no ADC peripheral required |
| Brownout detector | Prevents erratic operation during power ramp-up/down by holding reset until VCC stabilizes within spec |
| Security fuse & code protection | Locks Flash memory against unauthorized readout or overwrite, safeguarding proprietary firmware |
Applications
| Wireless Sensor Node | Battery-Powered Data Logger |
|---|---|
Use Scenario: Compact environmental sensor collecting temperature/humidity and transmitting via sub-GHz RF link. IC Role / Device Role / Timing Role: Central controller managing sensor reads, slope A/D conversion, low-power sleep scheduling, and RF interface timing. Use Value: 0.1 μA LPM4 current extends 10-year battery life; <1 μs wake-up ensures timely response to sensor triggers. | Use Scenario: Industrial equipment monitoring vibration, current, and temperature at fixed intervals. IC Role / Device Role / Timing Role: Standalone data acquisition unit with RTC-like timing via 32-kHz crystal and periodic wake-up for sampling. Use Value: Integrated comparator enables analog threshold detection without external components; 1KB Flash stores logging firmware and configuration. |
| Portable Medical Monitor | Smart Energy Meter Interface |
Use Scenario: Wearable pulse oximeter requiring ultra-low power and analog signal conditioning. IC Role / Device Role / Timing Role: Signal processor performing LED drive timing, photodiode signal comparison, and battery supervision. Use Value: Comparator_A+ directly implements transimpedance amplifier output comparison; 105°C rating supports sterilization cycles. | Use Scenario: Residential energy meter auxiliary controller handling tamper detection and display refresh. IC Role / Device Role / Timing Role: Secondary MCU supervising main meter SoC, managing LCD segments, and detecting magnetic tampering. Use Value: Dual I/O ports with programmable pullups simplify switch/button interfaces; brownout detection prevents false tamper alerts during voltage dips. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F2111TDGV | 2KB Flash, same RAM, identical pinout and peripherals | Supports larger firmware images and more complex algorithms | Select when firmware exceeds 1KB or future scalability is required |
| MSP430G2553IPW28 | 16KB Flash, 512B RAM, enhanced USCI, but 28-pin TSSOP package | Requires PCB redesign; adds UART/SPI/I²C and higher memory headroom | Choose for new designs needing serial connectivity and growth margin, not drop-in replacement |
Compared with MSP430F2111TDGV, the MSP430F2101TDGV trades Flash capacity for lower cost and smaller footprint; versus MSP430G2553IPW28, it offers pin-compatible legacy compatibility and minimal BOM change-but lacks hardware serial interfaces and requires software bit-banging for communication.
Availability
MSP430F2101TDGV is available at Aetrix Electronics and suitable for wireless sensor nodes, battery-powered data loggers, portable medical monitors, and smart energy meter interfaces requiring stable component supply across extended temperature ranges.
Supply support for MSP430F2101TDGV 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 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 MSP430F2101TDGV?
The MSP430F2101TDGV supports a maximum system clock (MCLK) frequency of 16 MHz when VCC ≥ 3.3 V, with factory-calibrated DCO settings at 1 MHz, 8 MHz, 12 MHz, and 16 MHz. At 2.7 V, the maximum is 12 MHz; at 1.8 V, it is limited to 6 MHz per the recommended operating conditions table in SLAS439F.
Does the MSP430F2101TDGV support hardware UART or SPI communication?
No, the MSP430F2101TDGV does not include dedicated USCI or USART modules. Communication must be implemented via software bit-banging on GPIO pins or using Timer_A outputs for simple protocols. For hardware UART/SPI/I²C, consider later-generation MSP430G2xx devices like MSP430G2553.
What is the purpose of the TEST pin on the MSP430F2101TDGV?
On the MSP430F2101TDGV, the TEST pin (Pin 1) selects JTAG test mode and connects to the device protection fuse. When driven high during power-up, it enables JTAG access for programming and debugging. It must be pulled low via a resistor in normal operation to prevent unintended entry into test mode.
Can the MSP430F2101TDGV perform analog-to-digital conversion without an ADC peripheral?
Yes-the MSP430F2101TDGV uses its Comparator_A+ module with Timer_A3 to implement slope A/D conversion. By charging a capacitor with a known current and comparing its voltage to the input signal using the comparator, the timer measures the time to threshold, yielding a digital result proportional to the analog input.
Is the MSP430F2101TDGV pin-compatible with other members of the MSP430F21x1 family?
Yes-MSP430F2101TDGV shares identical pinout and electrical characteristics with MSP430F2111TDGV, MSP430F2121TDGV, and MSP430F2131TDGV in the 20-pin TVSOP (DGV) package. Firmware and hardware designs are interchangeable across these variants, differing only in Flash/RAM size and calibration data.
MSP430F2101TDGV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 20-TFSOP (0.173", 4.40mm Width)
- Series:
- MSP430F2xx
- Packaging:
- Bulk
- 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:
MSP430F2101TDGV FAQ
1.How can I place an order for MSP430F2101TDGV through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2101TDGV 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 MSP430F2101TDGV reliable?
The price and inventory of MSP430F2101TDGV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2101TDGV is usually 5 days.
3.What payment methods are accepted for MSP430F2101TDGV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2101TDGV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2101TDGV?
MSP430F2101TDGV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2101TDGV 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 MSP430F2101TDGV?
For technical support, including MSP430F2101TDGV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2101TDGV requirements.
6.How does Aetrix verify that MSP430F2101TDGV is sourced from the original manufacturer or authorized distributors?
All MSP430F2101TDGV 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 MSP430F2101TDGV meets industry standards.
7.What is the process for return or replacement of MSP430F2101TDGV?
All MSP430F2101TDGV units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2101TDGV, 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 MSP430F2101TDGV part is unused and in its original packaging.
Return procedure for MSP430F2101TDGV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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