Texas Instruments MSP430F2011TRSAR

Overview

MSP430F2011TRSAR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 2KB+256B flash memory, 128B RAM, and a 16-bit Timer_A with two capture/compare registers. It operates from 1.8 V to 3.6 V, achieves active-mode current of 220 µA at 1 MHz/2.2 V, and supports five power-saving modes including sub-1-µs wake-up from standby - ideal for battery-powered sensor nodes and portable measurement systems.

For engineers reviewing the MSP430F2011TRSAR datasheet, MSP430F2011TRSAR pinout, MSP430F2011TRSAR application, or MSP430F2011TRSAR equivalent, key selection considerations include its TSSOP-14 package, integrated analog comparator (MSP430F20x1 family), Spy-Bi-Wire debug interface, and absence of ADC or USI peripherals - distinguishing it from MSP430F20x2/x3 variants.

Technical Context

The MSP430F2011TRSAR implements a 16-bit RISC CPU with 62.5-ns instruction cycle time, constant generators, and seven addressing modes. Its basic clock module integrates a digitally controlled oscillator (DCO) calibrated to ±1% at 1 MHz, 8 MHz, 12 MHz, and 16 MHz, plus internal low-frequency and external crystal (32 kHz) support.

This device belongs to the MSP430F20x1 subfamily and includes an analog comparator with eight-channel input multiplexer (CA0–CA7), comparator output routing (CAOUT), and programmable hysteresis. It lacks ADC10 (MSP430F20x2) and SD16_A (MSP430F20x3), confirming its role as a cost-optimized, comparator-centric MCU for threshold-detection applications.

Key Specifications

Pinout & Package

Package: 14-pin TSSOP (PW), RoHS-compliant, body size 5.0 mm × 4.4 mm × 1.2 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430F2001IPW, the MSP430F2011TRSAR provides double flash capacity for enhanced firmware resilience and calibration storage; compared with MSP430F2012IPW, it trades ADC/USI functionality for lower active current and simpler analog thresholding - making it optimal for pure comparator-driven decision logic.

Availability

MSP430F2011TRSAR is available at Aetrix Electronics and suitable for smart sensor nodes, industrial safety monitors, portable gas detectors, and battery protection circuits requiring stable component supply across extended product lifecycles.

Supply support for MSP430F2011TRSAR 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 decades of leadership in ultra-low-power microcontrollers.

The MSP430F20xx series was designed specifically for battery-operated measurement and sensing applications where nanowatt-level standby power, fast wake-up, and integrated analog functions reduce system complexity and bill-of-materials cost.

FAQ

What is the maximum operating frequency of the MSP430F2011TRSAR?

The MSP430F2011TRSAR supports internal DCO frequencies up to 16 MHz, factory-calibrated to ±1% accuracy at 1 MHz, 8 MHz, 12 MHz, and 16 MHz. External clock sources (e.g., 32-kHz crystal or digital clock) may also drive the system clocks. The CPU executes instructions at 62.5-ns cycle time at 16 MHz, confirmed in the SLAS491I datasheet Section 1.

Does the MSP430F2011TRSAR include an analog-to-digital converter (ADC)?

No, the MSP430F2011TRSAR does not include an ADC. It belongs to the MSP430F20x1 family, which features only the analog comparator (Comparator_A+). ADC10 is present in MSP430F20x2 devices (e.g., MSP430F2012), and SD16_A is exclusive to MSP430F20x3 devices (e.g., MSP430F2013). This distinction is explicitly stated in the datasheet's "Family Members" table and functional block diagrams.

What package type and pin count does the MSP430F2011TRSAR use?

The MSP430F2011TRSAR uses a 14-pin Plastic Small-Outline Thin (TSSOP) package (PW), with dimensions 5.0 mm × 4.4 mm × 1.2 mm and standard JEDEC MO-153AC footprint. This is confirmed in Table 1 ("Available Options") and the "Device Pinout, MSP430F20x1" diagram in the SLAS491I datasheet.

Can the MSP430F2011TRSAR be programmed in-circuit without removing it from the PCB?

Yes, the MSP430F2011TRSAR supports in-system programming via its 2-wire Spy-Bi-Wire interface using only the TEST/SBWTCK and RST/NMI/SBWTDIO pins. No external programming voltage is required - the device operates from its normal 1.8–3.6 V supply during programming, as documented in the "Serial Onboard Programming" feature list and Section 2.3 of SLAS491I.

What is the purpose of the CAOUT pin on the MSP430F2011TRSAR?

The CAOUT pin (P1.3 and P1.7) delivers the output signal of the integrated analog comparator. It can be routed internally to trigger interrupts, drive timers, or control GPIOs - enabling hardware-accelerated threshold detection without CPU intervention. Its dual assignment (P1.3/CAOUT/CA3 and P1.7/CAOUT/CA7) allows flexible comparator output placement, per Table 2 in SLAS491I.