Texas Instruments MSP430G2313IPW28R

Overview

MSP430G2313IPW28R from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller in 28-pin TSSOP packaging, featuring 4 KB Flash, 256 B RAM, two 16-bit Timer_A modules with three capture/compare registers each, an 8-channel analog comparator (Comp_A+), and USCI_A0/USCI_B0 for UART, SPI, and I²C communication - deployed in battery-powered sensor nodes and portable instrumentation.

For engineers reviewing the MSP430G2313IPW28R datasheet, MSP430G2313IPW28R pinout, MSP430G2313IPW28R application, or MSP430G2313IPW28R equivalent, key selection criteria include its 1.8–3.6 V supply range, sub-1 µs wake-up from LPM4, 0.1 µA off-mode current with RAM retention, and absence of integrated ADC10 (distinguishing it from G2x53 variants).

Technical Context

The MSP430G2313IPW28R implements a 16-bit CPU with seven addressing modes and 51 instructions, paired with a digitally controlled oscillator (DCO) calibrated to 1 MHz, 8 MHz, 12 MHz, and 16 MHz - enabling sub-1 µs active-mode wake-up from LPM4. Its clock system delivers ACLK (from LF oscillator or 32-kHz crystal), MCLK (CPU clock), and SMCLK (peripheral clock).

It integrates Spy-Bi-Wire emulation logic for on-chip debugging, supports serial onboard programming via UART BSL using P1.1/P1.5, and provides up to 24 capacitive-touch-enabled I/O pins across Ports P1–P3 - with programmable pullup/pulldown resistors and edge-selectable interrupts on P1/P2.

Key Specifications

Pinout & Package

Package: 28-pin TSSOP (PW28), 0.65 mm pitch, body size 9.7 × 4.4 mm, RoHS-compliant, surface-mount.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430G2213IPW28R, the MSP430G2313IPW28R offers double Flash and dual Timer_A for richer firmware and concurrent timing tasks; compared with MSP430G2353IPW28R, it omits ADC10 to reduce cost and power in purely digital/comparator-based sensing applications.

Availability

MSP430G2313IPW28R is available at Aetrix Electronics and suitable for smart sensor nodes, battery-powered metering, industrial control panels, and capacitive touch interfaces requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.

Supply support for MSP430G2313IPW28R 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 for industrial, automotive, and consumer markets.

The MSP430G2xx series targets ultra-low-power embedded applications - designed specifically for battery-operated sensor systems, portable instrumentation, and energy-harvesting devices where microamp-level active and standby currents are mandatory.

FAQ

Does MSP430G2313IPW28R include an integrated analog-to-digital converter (ADC)?

No, the MSP430G2313IPW28R does not include the ADC10 module. This is explicitly confirmed in TI's SLAS735J datasheet: "NOTE: ADC10 is available on MSP430G2x53 devices only." The MSP430G2313IPW28R belongs to the G2x13 family and retains the 8-channel analog comparator (Comp_A+) but omits the 10-bit ADC. For ADC functionality, consider MSP430G2353IPW28R instead.

What is the maximum operating frequency of the MSP430G2313IPW28R DCO?

The digitally controlled oscillator (DCO) in the MSP430G2313IPW28R is factory-calibrated to four frequencies: 1 MHz, 8 MHz, 12 MHz, and 16 MHz. These calibration values are stored in information memory segment A. While the DCO can be tuned between these points using MODx and DCOx bits, the maximum guaranteed operating frequency is 16 MHz - supported across the full 1.8–3.6 V supply range and −40°C to 85°C temperature range.

Can MSP430G2313IPW28R be programmed in-system without a JTAG debugger?

Yes, the MSP430G2313IPW28R supports in-system programming via its built-in UART-based Bootstrap Loader (BSL). Using P1.1 (UCA0RXD) and P1.5 (UCA0TXD/BSL RX), firmware can be loaded over UART using TI's BSL Scripter or custom host tools - provided the BSL password is known and the security fuse remains unblown. This enables field firmware updates without dedicated JTAG hardware.

How many I/O pins on MSP430G2313IPW28R support capacitive touch sensing?

The MSP430G2313IPW28R supports capacitive touch sensing on up to 24 I/O pins - all pins of Ports P1, P2, and P3 (24 total) feature individually configurable pin oscillator enable bits. This capability is documented in the "Features" section of SLAS735J and leverages the internal comparator and timer resources to implement self- or mutual-capacitance sensing without external components.

Is MSP430G2313IPW28R pin-compatible with other 28-pin MSP430G2xx devices?

Yes, the MSP430G2313IPW28R shares identical pinout and package (28-pin TSSOP) with other G2xx devices in the PW28 variant, including MSP430G2213IPW28R, MSP430G2413IPW28R, and MSP430G2513IPW28R. Pin functions are consistent across the family per Table 2 of SLAS735J, enabling drop-in replacement where peripheral requirements align - though firmware must be validated for differences in Flash size, RAM, and peripheral inclusion (e.g., ADC10 absence).