Texas Instruments MSP430F2101TDGVR

Overview

MSP430F2101TDGVR from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller featuring 1 KB Flash + 256 B information memory, 128 B RAM, a 16-bit Timer_A with three capture/compare registers, and an on-chip analog comparator for slope A/D conversion. It operates from 1.8 V to 3.6 V and supports active-mode current of 250 μA at 1 MHz/2.2 V, enabling battery-powered sensor node applications.

For engineers reviewing the MSP430F2101TDGVR datasheet, MSP430F2101TDGVR pinout, MSP430F2101TDGVR application, or MSP430F2101TDGVR equivalent, this page delivers verified technical context, package-specific pin functions, low-power operating mode behavior, and validated alternative options for embedded sensor interface and portable measurement designs.

Technical Context

The MSP430F2101TDGVR implements a 16-bit RISC CPU with constant generators and seven addressing modes, achieving 62.5-ns instruction cycle time. 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 high-frequency sources.

It features two 8-bit I/O ports (P1 and P2) with individually programmable pullup/pulldown resistors and edge-selectable interrupts, a brownout detector, and an on-chip emulation module (EEM) for JTAG-based debugging and programming - all optimized for operation across –40°C to +105°C industrial temperature range.

Key Specifications

Pinout & Package

Package: 20-pin TVSOP (DGV), body size 4.4 mm × 6.5 mm, 0.65 mm pitch, exposed thermal pad connected to VSS.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.

Compared with MSP430F2101TDGVR, the MSP430F2111TDGVR offers scalable Flash capacity without layout changes, while the MSP430F2012IPW trades industrial temperature range and thermal performance for lower unit cost in ambient environments.

Availability

MSP430F2101TDGVR is available at Aetrix Electronics and suitable for wireless sensor nodes, battery-powered data loggers, and smart meter interfaces requiring stable component supply and long-term industrial temperature support.

Supply support for MSP430F2101TDGVR 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 MSP430F2101TDGVR belongs to the MSP430x21x1 ultra-low-power mixed-signal microcontroller family, engineered for portable measurement, sensor interface, and energy-constrained embedded systems.

FAQ

What is the maximum operating frequency of the MSP430F2101TDGVR?

The MSP430F2101TDGVR supports a maximum MCLK frequency of 16 MHz when VCC ≥ 3.3 V. At 2.7 V, the limit is 12 MHz, and at 1.8 V it is 6 MHz. These limits are defined by the DCO's voltage-dependent frequency range and ensure reliable CPU and peripheral operation per the recommended operating conditions in SLAS439F.

Does the MSP430F2101TDGVR include hardware debug support?

Yes, the MSP430F2101TDGVR integrates an Embedded Emulation Module (EEM) that enables full JTAG-based debugging and programming via standard tools like MSP-FET430UIF. This includes breakpoints, watchpoints, and real-time register/memory inspection without requiring additional debug circuitry on the target board.

How is the analog comparator used for slope A/D conversion in the MSP430F2101TDGVR?

The MSP430F2101TDGVR's Comparator_A+ module compares an input voltage against a ramp generated by charging a capacitor through a constant current source. The Timer_A captures the time elapsed until comparison - converting time to digital value. This eliminates need for external ADC while maintaining <1 LSB linearity for slow-varying signals like temperature or battery voltage.

What package type does the MSP430F2101TDGVR use, and is thermal pad connection required?

The MSP430F2101TDGVR uses the 20-pin TVSOP (DGV) package with an exposed thermal pad. TI documentation explicitly recommends connecting this pad to VSS to improve thermal dissipation and electrical stability - especially critical in extended 105°C operation or high-duty-cycle active mode usage.

Can the MSP430F2101TDGVR be programmed in-system without JTAG?

Yes, the MSP430F2101TDGVR includes a UART-based Bootstrap Loader (BSL) accessible via P1.1 (TX) and P2.2 (RX). With a valid password, users can erase, program, and verify Flash and RAM over serial interface - enabling field firmware updates without JTAG hardware or physical access to debug headers.