Texas Instruments MSP430F2012TPW

Overview

MSP430F2012TPW from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 2KB+256B flash memory, 128B RAM, a 16-bit Timer_A with two capture/compare registers, and a 10-bit 200-ksps ADC with internal reference and autoscan-designed for battery-powered sensor signal acquisition and processing in portable measurement systems.

For engineers reviewing the MSP430F2012TPW datasheet, MSP430F2012TPW pinout, MSP430F2012TPW application, or MSP430F2012TPW equivalent, key selection criteria include its −40°C to 105°C extended temperature rating, TSSOP-14 package, Spy-Bi-Wire debug interface, and integrated USI supporting SPI/I²C for host communication in compact embedded nodes.

Technical Context

The MSP430F2012TPW implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations at up to 16 MHz via its digitally controlled oscillator (DCO). Its basic clock module delivers ACLK, MCLK, and SMCLK from internal LF/DCO sources or external 32-kHz crystal/XIN.

It integrates a 10-bit successive-approximation ADC with eight analog inputs, internal 1.5-V reference, sample-and-hold, and data transfer controller (DTC), alongside a universal serial interface (USI) configurable for SPI or I²C-both directly supported on Port 1 pins without external components.

Key Specifications

Pinout & Package

Package: 14-pin TSSOP (PW), lead-free, 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 mixed-signal microcontroller applications.

Compared with MSP430F2002TPW, the MSP430F2012TPW adds essential 10-bit ADC capability for quantitative sensing; versus MSP430F2013TPW, it trades resolution for lower system cost and reduced active-mode power in mid-accuracy applications like environmental monitoring.

Availability

MSP430F2012TPW is available at Aetrix Electronics and suitable for wireless sensor nodes, portable test equipment, and industrial process monitors requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MSP430F2012TPW 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 with emphasis on energy efficiency and system integration.

The MSP430F20xx series targets ultra-low-power portable measurement applications-designed to maximize battery life through intelligent power gating, fast wake-up, and integrated analog peripherals that minimize external component count.

FAQ

What is the maximum operating frequency of the MSP430F2012TPW?

The MSP430F2012TPW supports a digitally controlled oscillator (DCO) calibrated to four factory-trimmed frequencies: 1 MHz, 8 MHz, 12 MHz, and 16 MHz. At 16 MHz, the instruction cycle time is 62.5 ns. The DCO stabilizes in less than 1 µs, enabling rapid wake-up from low-power modes. MSP430F2012TPW does not require external crystals to achieve full-speed operation.

Does the MSP430F2012TPW support in-system programming?

Yes, the MSP430F2012TPW supports in-system programming via its Spy-Bi-Wire interface using only two pins: RST/NMI/SBWTDIO and TEST/SBWTCK. No external programming voltage is needed-the interface operates from the core supply (1.8–3.6 V). Flash memory can be programmed byte- or word-wise by the CPU or external debugger, and segments can be individually erased.

How many analog input channels does the ADC in the MSP430F2012TPW support?

The MSP430F2012TPW integrates a 10-bit successive-approximation ADC (ADC10) with eight selectable analog input channels (A0–A7), accessible via P1.0 through P1.7. It includes an internal 1.5-V reference, sample-and-hold circuitry, and autoscan mode to sequentially convert multiple channels without CPU intervention-enabling efficient multi-sensor data acquisition.

What debug interface does the MSP430F2012TPW use, and how many pins are required?

The MSP430F2012TPW uses the Spy-Bi-Wire (SBW) debug interface, which requires only two physical pins: RST/NMI/SBWTDIO (bidirectional data) and TEST/SBWTCK (clock). This 2-wire interface provides full JTAG-equivalent functionality-including flash programming, breakpoint setting, and real-time register inspection-without needing a dedicated 4-pin JTAG header.

Is the MSP430F2012TPW pin-compatible with other devices in the MSP430F20xx family?

Yes, the MSP430F2012TPW in the 14-pin TSSOP (PW) package shares identical pinout and electrical characteristics with MSP430F2001TPW, MSP430F2002TPW, MSP430F2011TPW, MSP430F2003TPW, and MSP430F2013TPW. This allows hardware reuse across variants differing only in flash size, RAM, and analog peripheral configuration (e.g., comparator vs. ADC10 vs. SD16_A).