Texas Instruments MSP430F5340IRGZT

Overview

MSP430F5340IRGZT from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller with 64 KB Flash, 6 KB RAM, and 38 GPIO pins in a 48-pin VQFN package. It integrates a 12-bit ADC (200 ksps, 9 channels), four 16-bit timers (TA0/TA1/TA2/TB0), two USCI modules (UART/IrDA/SPI/I²C), RTC, hardware multiplier, and DMA - optimized for battery-powered sensor nodes and data loggers.

For engineers reviewing the MSP430F5340IRGZT datasheet, MSP430F5340IRGZT pinout, MSP430F5340IRGZT application, or MSP430F5340IRGZT equivalent, key selection criteria include its 1.8–3.6 V supply range, sub-2 µA LPM3 current, 3.5 µs wake-up time, dual USCI support, and VQFN-48 thermal-pad layout compatibility.

Technical Context

The MSP430F5340IRGZT implements the CPUXV2 core with extended memory addressing and constant generator for high code efficiency. Its unified clock system combines FLL-based frequency stabilization, programmable LDO-regulated VCORE, and multiple clock sources (XT1, XT2, REFO, VLO) to enable dynamic power/performance scaling across active and low-power modes.

Peripherals are tightly synchronized via the module-specific clock domains (ACLK, SMCLK, MCLK) and supported by configurable port mapping (PMAP), enabling flexible signal routing without PCB redesign. The 12-bit ADC supports autoscan, internal reference, and temperature sensor input - all operating under the same ultra-low-power constraints as the core.

Key Specifications

Pinout & Package

VQFN-48 (RGZ) package, 7 mm × 7 mm body, exposed thermal pad (to be connected to DVSS).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430F5341IRGZT and MSP430F5342IRGZT, the MSP430F5340IRGZT provides optimal cost/performance balance for fixed-function sensor endpoints where 64 KB Flash suffices - reducing BOM cost without sacrificing ultra-low-power operation, peripheral richness, or VQFN-48 layout compatibility.

Availability

MSP430F5340IRGZT is available at Aetrix Electronics and suitable for wireless sensor nodes, portable data loggers, smart meter interfaces, and low-power industrial controllers requiring stable component supply across multi-year production cycles.

Supply support for MSP430F5340IRGZT 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 company delivering analog and embedded processing solutions, with leadership in low-power design and precision analog integration.

The MSP430F534x product line targets ultra-low-power sensing and measurement applications - designed to maximize battery life in portable instrumentation, environmental monitoring, and energy-constrained IoT endpoints.

FAQ

What is the maximum system clock frequency supported by the MSP430F5340IRGZT?

The MSP430F5340IRGZT supports up to 25 MHz system clock (MCLK) when PMMCOREVx = 3 and VCC ≥ 2.4 V. At lower core voltage settings, max frequencies are 20 MHz (PMMCOREVx = 2), 12 MHz (PMMCOREVx = 1), and 8 MHz (PMMCOREVx = 0). These settings are software-configurable and trade off performance against active-mode current consumption.

Does the MSP430F5340IRGZT include an integrated temperature sensor?

Yes, the MSP430F5340IRGZT includes a factory-calibrated internal temperature sensor connected to ADC channel A10 (VeREF+ reference path). It delivers ±1.5°C accuracy over –40°C to 85°C and requires no external components - enabling self-monitoring or ambient temperature compensation in compact designs.

How many USCI modules does the MSP430F5340IRGZT have, and what protocols do they support?

The MSP430F5340IRGZT has two USCI modules: USCI_A0/A1 support UART, IrDA, and SPI; USCI_B0/B1 support I²C and SPI. Each module is independently configurable - allowing simultaneous UART debug + I²C sensor interface, or dual SPI buses for display + memory expansion, without protocol conflict.

What debug interface does the MSP430F5340IRGZT use, and is JTAG supported?

The MSP430F5340IRGZT supports both 4-wire JTAG and 2-wire Spy-Bi-Wire (SBW) via the TEST/SBWTCK and RST/NMI/SBWTDIO pins. SBW is enabled by default and requires only two pins - ideal for space-constrained layouts - while full JTAG remains accessible for advanced boundary-scan or emulator use.

Is the MSP430F5340IRGZT pin-compatible with other devices in the MSP430F534x family?

Yes, the MSP430F5340IRGZT is fully pin-compatible with MSP430F5341IRGZT and MSP430F5342IRGZT in the VQFN-48 (RGZ) package. All share identical pin functions, electrical characteristics, and thermal pad requirements - enabling drop-in replacement during design iteration or cost optimization.