Texas Instruments MSP430F4152IPM

Overview

MSP430F4152IPM from Texas Instruments is an ultralow-power 16-bit RISC mixed-signal microcontroller featuring 16 KB Flash, 512 B RAM, integrated 144-segment LCD driver, 10-bit 200-ksps ADC, two USCI modules (UART/IrDA/SPI + I²C/SPI), and dual 16-bit timers - deployed in battery-powered metering, thermostats, and handheld instrumentation.

For engineers reviewing the MSP430F4152IPM datasheet, MSP430F4152IPM pinout, MSP430F4152IPM application, or MSP430F4152IPM equivalent, key selection criteria include active-mode current (220 µA @ 1 MHz, 2.2 V), wake-up time (<6 µs from LPM3), LCD segment count support (up to 144), ADC resolution (10-bit with internal reference), and QFP-64 package compatibility with Spy-Bi-Wire debug interface.

Technical Context

The MSP430F4152IPM implements a digitally controlled oscillator (DCO) stabilized by FLL+ loop to generate MCLK/SMCLK/ACLK from internal VLO or external 32.768-kHz crystal, enabling sub-6-µs wake-up from LPM3. Its peripheral set includes Timer_A3 (3 capture/compare registers) and Timer_A5 (5 capture/compare registers), both supporting PWM, input capture, and interval timing.

USCI_A0 supports UART with auto-baudrate detection and IrDA encoding/decoding; USCI_B0 supports I²C master/slave and synchronous SPI. The integrated LCD_A module drives static to 4-MUX displays using regulated charge pump and software-controllable contrast, while the analog comparator supports slope A/D conversion and signal threshold detection.

Key Specifications

Pinout & Package

Package: 64-pin plastic quad flat pack (QFP-64, PM package), 10 mm × 10 mm, 0.5 mm pitch, thermal pad not present. Pinout validated per SLAS648E Rev. March 2011, Figure 3 (top view).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430F4152IPM, the MSP430F4132IPM offers identical peripheral integration and power profile at lower memory cost, while the MSP430F5529IPN trades LCD capability for USB and performance - making the MSP430F4152IPM optimal for standalone, display-centric, ultra-low-power embedded systems.

Availability

MSP430F4152IPM is available at Aetrix Electronics and suitable for smart metering, industrial thermostat control, and handheld test equipment requiring stable component supply, long-term lifecycle assurance, and consistent QFP-64 packaging.

Supply support for MSP430F4152IPM 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 and industrial-grade reliability.

The MSP430F41x2 product line targets portable, battery-operated measurement and control applications - emphasizing extended battery life, integrated analog peripherals, and minimal external component count for cost-sensitive designs.

FAQ

What is the maximum operating frequency of the MSP430F4152IPM?

The MSP430F4152IPM operates at up to 8 MHz using the internal digitally controlled oscillator (DCO) or external crystals. Its 16-bit RISC core achieves a 125-ns instruction cycle time at this frequency, enabling responsive real-time control while maintaining ultralow power consumption in active mode (220 µA @ 1 MHz, 2.2 V). The FLL+ module stabilizes the DCO to multiples of the 32.768-kHz watch crystal, ensuring timing accuracy across voltage and temperature.

Does the MSP430F4152IPM support hardware UART with auto-baudrate detection?

Yes, the MSP430F4152IPM supports hardware UART with auto-baudrate detection through USCI_A0. This feature allows the MSP430F4152IPM to automatically detect and synchronize to incoming serial data streams without prior knowledge of the baud rate - critical for interoperability with legacy or variable-speed host systems. It is implemented in firmware using the USCI_A0's built-in baud-rate measurement logic and does not require CPU intervention during detection.

Can the MSP430F4152IPM drive a 4-MUX LCD display?

Yes, the MSP430F4152IPM integrates the LCD_A peripheral capable of driving static, 2-MUX, 3-MUX, and 4-MUX LCD displays with up to 144 segments. It uses an internal regulated charge pump to generate stable LCD bias voltages independent of supply rails, and contrast is software-adjustable via register-controlled voltage division. This eliminates external LCD bias ICs and simplifies layout for compact, low-cost displays.

What debug interface does the MSP430F4152IPM use, and how many pins are required?

The MSP430F4152IPM uses the Spy-Bi-Wire (SBW) debug interface, requiring only two pins: SBWTDIO (Pin 58, shared with RST/NMI) and SBWTCLK (Pin 59, shared with TEST). This 2-wire interface supports full-speed debugging, flash programming, and real-time register inspection - eliminating the need for a 4-pin JTAG header and conserving PCB space. The EEM (Embedded Emulation Module) is fully integrated and enabled by default.

Is the MSP430F4152IPM compatible with the MSP-FET430U64A development tool?

Yes, the MSP430F4152IPM is explicitly supported by the MSP-FET430U64A - a TI-qualified debugging and programming interface with integrated target board for PM-package devices. This tool provides direct connection to the MSP430F4152IPM's Spy-Bi-Wire pins, enabling seamless firmware download, breakpoint-based debugging, and real-time peripheral register monitoring without modifying the target hardware layout.