Texas Instruments MSP430G2201IN14

Overview

MSP430G2201IN14 from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller in a 14-pin PDIP package, featuring 2 KB flash, 128 B RAM, a 16-bit Timer_A with two capture/compare registers, and 10 general-purpose I/O pins. It operates from 1.8 V to 3.6 V and supports five power-saving modes, enabling battery-powered sensor nodes and portable measurement systems.

For engineers reviewing the MSP430G2201IN14 datasheet, MSP430G2201IN14 pinout, MSP430G2201IN14 application, or MSP430G2201IN14 equivalent, key selection criteria include active-mode current (220 µA at 1 MHz, 2.2 V), ultrafast wake-up (<1 µs), brownout detection, on-chip comparator support (in G2x11 variants only - not present in MSP430G2201), and Spy-Bi-Wire debug interface compatibility.

Technical Context

The MSP430G2201IN14 implements a 16-bit RISC CPU with constant generators and 16 general-purpose registers, executing instructions in one CPU clock cycle. Its basic clock module integrates a digitally controlled oscillator (DCO) calibrated for 1 MHz operation, internal low-frequency oscillator (VLO), and external 32-kHz crystal support - all configurable via BCSCTL registers.

It uses a single 8-bit port P1 (8 I/O) and two bits of port P2 (P2.6/P2.7), each with individually programmable direction, pullup/pulldown resistors, and edge-selectable interrupts. Timer_A2 provides interval timing, PWM generation, and capture/compare functions, with dedicated interrupt vectors for TACCR0, TACCR1, and TAIFG.

Key Specifications

Pinout & Package

Package: 14-pin plastic dual-inline package (PDIP), N suffix, 0.3-inch body width, through-hole mounting.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MSP430G2201IN14, the MSP430G2211IN14 adds analog comparator capability at identical package and pinout, while MSP430G2101IN14 reduces flash and timer functionality to lower unit cost - both serve distinct segments of the ultralow-power MCU design space without requiring PCB changes.

Availability

MSP430G2201IN14 is available at Aetrix Electronics and suitable for smart metering, environmental data logging, industrial HMI, and battery-powered security sensors requiring stable component supply and long-term manufacturability.

Supply support for MSP430G2201IN14 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 expertise in ultralow-power design.

The MSP430G2xx family targets cost-sensitive, battery-operated applications demanding extended runtime, rapid wake-up, and integrated peripherals - delivering optimized silicon for portable measurement and sensor-edge computing.

FAQ

What is the maximum operating frequency of the MSP430G2201IN14?

The MSP430G2201IN14 supports a maximum MCLK frequency of 16 MHz at VCC ≥ 3.3 V with 50% ±10% duty cycle. At 2.7 V, the limit is 12 MHz; at 1.8 V, it drops to 6 MHz. These limits are defined by the DCO calibration and ensure stable CPU and peripheral operation across the full supply range.

Does the MSP430G2201IN14 include an analog comparator?

No, the MSP430G2201IN14 does not include the Comparator_A+ module. That feature is exclusive to the MSP430G2x11 series (e.g., MSP430G2211IN14). The MSP430G2201IN14 belongs to the G2x01 family and supports only digital I/O, Timer_A, and basic clock functions - confirmed in Table 1 and functional block diagrams.

What debug interface does the MSP430G2201IN14 support?

The MSP430G2201IN14 supports the 2-wire Spy-Bi-Wire (SBW) interface using pins RST/NMI/SBWTDIO (Pin 10) and TEST/SBWTCK (Pin 11). This interface enables full in-circuit debugging and flash programming without requiring a 4-wire JTAG header, reducing board space and system cost.

Can the MSP430G2201IN14 operate from a single 1.8 V supply?

Yes, the MSP430G2201IN14 is fully specified for operation from 1.8 V to 3.6 V. At 1.8 V, its maximum MCLK frequency is 6 MHz, and active-mode current is approximately 220 µA at 1 MHz - making it suitable for energy-harvesting and coin-cell applications where low-voltage operation is essential.

How many I/O pins does the MSP430G2201IN14 provide?

The MSP430G2201IN14 provides 10 usable I/O pins: eight bits on Port 1 (P1.0–P1.7) and two additional bits on Port 2 (P2.6 and P2.7). All 10 pins support digital input/output, interrupt-on-change, and individually configurable pullup/pulldown resistors - verified in Table 2 and device pinout diagrams.