MSP432P4111IPZ Equivalent & Substitute Parts

Part Overview

The MSP432P4111IPZ is a 32-bit ARM Cortex-M4F microcontroller from Texas Instruments, featuring 2MB of FLASH memory and operating at 48MHz. This device is classified as Obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design considerations. The MSP432 SimpleLink series provides integrated connectivity options including I2C, IrDA, SPI, and UART/USART interfaces, along with comprehensive peripheral support for embedded applications requiring moderate processing capability and memory capacity.

Substiute Parts

MSP432P4111IPZ

Texas InstrumentsIn Stock: 711MSP432P4111IPZ Datasheet

Current PartRFQ

TM4C129ENCPDTI3

Texas InstrumentsIn Stock: 2517TM4C129ENCPDTI3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MSP432P4111IPZ is determined by the following critical parameters:

Core Architecture Compatibility: Both the main part and substitute must utilize the ARM Cortex-M4F processor to ensure instruction set compatibility and software portability.

Memory Configuration: Program memory capacity, RAM size, and EEPROM availability must meet or exceed the original specification to support existing firmware without modification.

Voltage Supply Range: The substitute must operate within the specified supply voltage window to ensure compatibility with existing power distribution systems.

Operating Temperature Range: The substitute must support the full industrial temperature range (-40°C to 85°C) for consistent operation across deployment environments.

Connectivity and Peripherals: The substitute must provide equivalent or superset connectivity options (I2C, SPI, UART/USART) and peripheral functions (DMA, PWM, WDT) required by the application.

Package and Pin Count: Physical package compatibility, including pin count and footprint, is essential for direct board-level substitution without redesign.

Compliance and Certifications: RoHS3 compliance and REACH status must be maintained to satisfy regulatory and supply chain requirements.

The TM4C129ENCPDTI3 qualifies as a substitute based on shared core architecture, compatible voltage supply range, equivalent operating temperature range, superset connectivity features, and matching compliance certifications, despite differences in clock speed, program memory size, and package form factor.

Parameter Comparison

Engineering Selection Recommendations

The TM4C129ENCPDTI3 serves as a functional substitute for the obsolete MSP432P4111IPZ based on the following engineering criteria:

Product Status: The TM4C129ENCPDTI3 maintains Active product status, ensuring continued availability, technical support, and supply chain stability compared to the Obsolete MSP432P4111IPZ.

Regulatory Compliance: Both devices maintain ROHS3 compliance and REACH Unaffected status, satisfying current regulatory requirements for component procurement and deployment.

Core Architecture: Identical ARM Cortex-M4F processor architecture ensures binary compatibility for compiled firmware and eliminates the need for instruction set recompilation.

Memory and Performance: While the TM4C129ENCPDTI3 provides reduced program memory (1MB versus 2MB), it compensates with increased clock speed (120MHz versus 48MHz) and equivalent RAM capacity (256K x 8). Applications with program memory requirements exceeding 1MB require alternative solutions.

Connectivity Expansion: The TM4C129ENCPDTI3 provides superset connectivity including CANbus, Ethernet, and USB OTG, enabling enhanced system integration capabilities beyond the original MSP432P4111IPZ specification.

Package Consideration: The TM4C129ENCPDTI3 utilizes a 128-TQFP package versus the 100-LQFP package of the original device. Direct board-level substitution requires PCB redesign to accommodate the increased pin count and modified footprint.

Frequently Asked Questions (FAQ)

Q: Can the TM4C129ENCPDTI3 directly replace the MSP432P4111IPZ on existing PCBs?

A: Direct board-level substitution is not possible due to package incompatibility. The MSP432P4111IPZ uses a 100-LQFP package while the TM4C129ENCPDTI3 uses a 128-TQFP package. PCB redesign is required to accommodate the different pin count and footprint.

Q: Will existing firmware compiled for the MSP432P4111IPZ execute on the TM4C129ENCPDTI3?

A: Firmware compiled for the ARM Cortex-M4F instruction set will execute on the TM4C129ENCPDTI3 without recompilation. However, peripheral register definitions and interrupt vector tables may require software adaptation to account for differences in peripheral implementation between the MSP432 SimpleLink and Tiva C series.

Q: What is the impact of reduced program memory on the TM4C129ENCPDTI3?

A: The TM4C129ENCPDTI3 provides 1MB of program memory compared to 2MB on the MSP432P4111IPZ. Applications requiring more than 1MB of program memory cannot be accommodated without code optimization or alternative component selection.

Q: Are the voltage supply ranges compatible between these devices?

A: The voltage supply ranges differ. The MSP432P4111IPZ operates from 1.62V to 3.7V, while the TM4C129ENCPDTI3 operates from 2.97V to 3.63V. The TM4C129ENCPDTI3 does not support the lower voltage range of the original device. Power supply design must be verified for compatibility.

Q: What are the differences in analog-to-digital converter specifications?

A: The MSP432P4111IPZ provides 26 channels of 16-bit analog-to-digital conversion, while the TM4C129ENCPDTI3 provides 20 channels of 12-bit conversion. Applications requiring high-resolution analog measurement or extensive channel count may require alternative solutions.

Q: Does the TM4C129ENCPDTI3 support all connectivity options of the MSP432P4111IPZ?

A: The TM4C129ENCPDTI3 provides all connectivity options of the MSP432P4111IPZ (I2C, IrDA, SPI, UART/USART) plus additional options (CANbus, Ethernet, USB OTG). Existing firmware utilizing the original connectivity set will function without modification.