Texas Instruments MSP430F1101AIDGV

Overview

MSP430F1101AIDGV from Texas Instruments is an ultralow-power 16-bit RISC mixed-signal microcontroller featuring 1 KB flash + 128 B RAM, 14 I/O pins, a 16-bit Timer_A with three capture/compare registers, on-chip analog comparator, and support for 32-kHz crystal or internal DCO clocking. It operates from 1.8 V to 3.6 V and targets battery-powered sensor systems requiring sub-μA standby current and <6 μs wake-up.

For engineers reviewing the MSP430F1101AIDGV datasheet, MSP430F1101AIDGV pinout, MSP430F1101AIDGV application, or MSP430F1101AIDGV equivalent, key selection criteria include its 20-pin TVSOP (DGV) package, flash-based in-system programmability, LPM4 current of 0.1 μA at 25°C, integrated slope A/D capability via I/O pins, and JTAG/BSL programming support - all critical for compact, long-life embedded measurement designs.

Technical Context

The MSP430F1101AIDGV implements a 16-bit CPU with seven addressing modes and constant generators for high code efficiency, paired with five software-selectable low-power modes (LPM0–LPM4). Its basic clock module supports multiple sources: internal DCO (stabilizes in <6 μs), 32-kHz watch crystal, external resistor, or high-frequency crystal.

Peripherals include two 8-bit I/O ports (P1 with eight pins, P2 with six externally accessible pins), a 16-bit Timer_A3 with three capture/compare registers, and a Comparator_A module supporting analog signal comparison and single-slope A/D conversion on resistive sensors - all mapped to dedicated pins without multiplexing conflicts in the DGV package.

Key Specifications

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 lead pitch, exposed pad not present.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430F1101AIDGV, the MSP430F1121AIDGV offers scalable memory for evolving firmware without changing PCB layout, while the MSP430F2012IPW trades analog sensing capability for serial interface flexibility in smaller packages - making each alternative optimal only under specific architectural constraints.

Availability

MSP430F1101AIDGV is available at Aetrix Electronics and suitable for wireless sensor nodes, portable medical monitors, and industrial condition monitors requiring stable component supply, long-term lifecycle support, and traceable sourcing for ISO 13485 and IEC 61508-compliant designs.

Supply support for MSP430F1101AIDGV 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 ultralow-power microcontrollers for industrial and portable applications.

The MSP430F11x1A product line was designed specifically for extended-battery-life measurement systems - integrating flash memory, analog peripherals, and aggressive power gating to minimize active and standby current without sacrificing real-time responsiveness.

FAQ

What is the maximum operating frequency of the MSP430F1101AIDGV at 3.6 V?

The MSP430F1101AIDGV supports a maximum system clock (MCLK) frequency of 8 MHz at 3.6 V, as specified in the recommended operating conditions. This applies when executing code from flash memory and using the internal DCO or external crystal source. The device maintains full functionality - including Timer_A, comparator, and I/O - across this range, with active current scaling linearly per the datasheet equation IAM = IAM[3 V] + 120 μA/V × (VCC−3 V).

Does the MSP430F1101AIDGV support in-system programming without external hardware?

Yes, the MSP430F1101AIDGV supports in-system programming via its onboard bootstrap loader (BSL), which uses UART communication on P1.1 (TX) and P2.2 (RX). No external programmer is required - only a UART-to-USB bridge and TI's BSL Scripter software. The BSL is protected by a user-configurable password, and the security fuse can be blown to prevent unauthorized access to flash contents.

How many I/O pins are available on the MSP430F1101AIDGV in the TVSOP package?

The MSP430F1101AIDGV in the 20-pin TVSOP (DGV) package provides 14 usable I/O pins: eight on Port 1 (P1.0–P1.7) and six on Port 2 (P2.0–P2.5). All 14 pins are individually configurable as digital inputs/outputs with interrupt capability, and P2.2–P2.4 double as analog comparator inputs - enabling analog signal conditioning without external components.

What is the wake-up time from LPM4 to active mode for the MSP430F1101AIDGV?

The MSP430F1101AIDGV wakes up from LPM4 to active mode in less than 6 μs when using the internal digitally controlled oscillator (DCO) as the MCLK source. This specification is guaranteed across the full temperature and voltage range (−40°C to 85°C, 1.8 V to 3.6 V) and is independent of crystal start-up delay, making it suitable for applications requiring deterministic, low-latency response to external interrupts.

Can the MSP430F1101AIDGV perform analog-to-digital conversion without an external ADC?

Yes, the MSP430F1101AIDGV can perform analog-to-digital conversion using its on-chip Comparator_A module in conjunction with Timer_A to implement single-slope A/D conversion on resistive sensors. This technique uses the comparator output to gate a counter, converting analog voltage to digital value with resolution dependent on timer clock and conversion time - eliminating the need for a separate ADC IC in basic sensor interfacing.