Texas Instruments MSP430F2001TPWR

Overview

MSP430F2001TPWR from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller featuring 1KB Flash + 256B information memory, 128B RAM, a 16-bit Timer_A with two capture/compare registers, and an on-chip analog comparator. It operates from 1.8 V to 3.6 V and supports five power-saving modes, enabling sub-1 µs wake-up from standby-ideal for battery-powered sensor nodes and portable measurement systems.

For engineers reviewing the MSP430F2001TPWR datasheet, MSP430F2001TPWR pinout, MSP430F2001TPWR application, or MSP430F2001TPWR equivalent, key selection criteria include its 14-pin TSSOP package, absence of ADC or USI peripherals (distinguishing it from F20x2/F20x3 variants), verified Spy-Bi-Wire debug interface, and factory-calibrated DCO supporting 1–16 MHz operation without external crystal.

Technical Context

The MSP430F2001TPWR implements a 16-bit CPU with seven addressing modes and constant generators for high code efficiency. Its basic clock module integrates a digitally controlled oscillator (DCO) with four factory-trimmed frequencies (1/8/12/16 MHz, ±1%), internal low-frequency oscillator, and 32-kHz crystal support-enabling flexible clock sourcing across active and low-power modes.

It features a single 8-bit I/O port (P1) with individually configurable pullup/pulldown resistors and edge-selectable interrupts, plus two P2 pins (XIN/XOUT) usable as general-purpose I/O when crystal mode is disabled. The analog comparator supports eight-channel input multiplexing and slope A/D conversion, but lacks integrated ADC or serial interfaces-differentiating it from F20x2 (10-bit ADC + USI) and F20x3 (16-bit SD-ADC + USI) family members.

Key Specifications

Pinout & Package

Package: 14-pin TSSOP (PW), body size 5.0 mm × 4.4 mm, 0.65 mm pitch, JEDEC MO-153 compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430F2001TPWR, MSP430F2011TPWR provides double Flash capacity for feature-rich firmware, while MSP430F2002TPWR adds essential analog and serial peripherals-making both viable alternatives depending on whether code size or peripheral expansion drives the design requirement.

Availability

MSP430F2001TPWR is available at Aetrix Electronics and suitable for portable sensor nodes, industrial temperature monitors, smart meter tamper detection, and low-cost wearable health sensors requiring stable component supply and long-term industrial availability.

Supply support for MSP430F2001TPWR 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 MSP430F20xx series was engineered specifically for ultra-low-power mixed-signal applications where battery life, small footprint, and integrated analog functionality are critical-targeting sensor systems, portable instrumentation, and energy-harvesting devices.

FAQ

What is the maximum operating frequency of the MSP430F2001TPWR?

The MSP430F2001TPWR supports a maximum system clock (MCLK) of 16 MHz, achieved via its factory-calibrated digitally controlled oscillator (DCO). This frequency is guaranteed across the full -40°C to +105°C temperature range and 1.8–3.6 V supply, with ±1% accuracy at 25°C. No external crystal is required to reach this speed, though a 32-kHz watch crystal may be added for real-time clock functions.

Does the MSP430F2001TPWR include an analog-to-digital converter (ADC)?

No, the MSP430F2001TPWR does not include an ADC. It belongs to the MSP430F20x1 family variant, which features only an analog comparator for slope A/D conversion or threshold detection. For integrated ADC capability, consider the MSP430F20x2 (10-bit ADC) or MSP430F20x3 (16-bit sigma-delta ADC) family members - such as MSP430F2002TPWR - which share the same pinout but add ADC and USI peripherals.

What debug interface does the MSP430F2001TPWR support?

The MSP430F2001TPWR supports Spy-Bi-Wire (SBW), a two-wire variant of JTAG implemented using the RST/NMI/SBWTDIO and TEST/SBWTCK pins. This interface enables full in-system programming, flash erasure, and real-time emulation without requiring external programming voltage. TI's MSP-FET and compatible debuggers fully support SBW for development and production programming of the MSP430F2001TPWR.

Can the MSP430F2001TPWR operate without an external crystal?

Yes, the MSP430F2001TPWR can operate entirely without an external crystal. Its internal digitally controlled oscillator (DCO) is factory-calibrated to four frequencies (1/8/12/16 MHz) with ±1% accuracy at 25°C. The DCO stabilizes in less than 1 µs, enabling rapid wake-up from low-power modes. A 32-kHz crystal is optional and only needed if precise real-time clock functionality is required.

What is the purpose of the CAOUT pin on the MSP430F2001TPWR?

The CAOUT pin (P1.3 and P1.7) serves as the output of the on-chip analog comparator. When enabled, it drives a logic-high or logic-low signal based on the comparison between selected positive and negative inputs. This output can directly control GPIO peripherals, trigger interrupts, or serve as a hardware alert signal-enabling comparator-based functions like window detection, zero-crossing sensing, or battery voltage monitoring without CPU intervention.