Texas Instruments MSP432E401YTPDTR

Overview

MSP432E401YTPDTR from Texas Instruments is a 120-MHz Arm® Cortex®-M4F microcontroller with integrated 10/100 Ethernet MAC and PHY, IEEE 1588 PTP hardware support, 1024KB flash, 256KB SRAM, and hardware AES/SHA/DES encryption engines. It serves as a high-performance, secure networked controller in industrial gateways requiring real-time deterministic communication and local processing.

For engineers reviewing the MSP432E401YTPDTR datasheet, MSP432E401YTPDTR pinout, MSP432E401YTPDTR application, or MSP432E401YTPDTR equivalent, key selection considerations include its integrated Ethernet PHY with PTP timestamping, dual CAN 2.0 controllers, eight UARTs with independent clocking, 12-bit dual ADC (2 Msps), and tamper detection for secure boot and firmware integrity in safety-critical edge nodes.

Technical Context

The MSP432E401YTPDTR implements an Arm Cortex-M4F core with FPU and MPU, executing Thumb-2 instructions at 120 MHz (150 DMIPS), backed by a 4-bank flash architecture enabling independent code protection per bank. Its system-level integration includes a 32-channel µDMA controller, hibernation module with battery-backed retention, and JTAG/SWD debug interface with ETM trace support.

Peripherals are organized across AHB and APB buses: Ethernet MAC/PHY connects via MII, USB 2.0 OTG supports FS PHY or ULPI, and the External Peripheral Interface (EPI) provides 8-/16-/32-bit parallel access to SDRAM, Flash, or SRAM. Analog subsystem comprises two independent 12-bit SAR ADCs (2 Msps each), three analog comparators, and 16 digital comparators - all synchronized to the same clock domain for deterministic timing.

Key Specifications

Pinout & Package

Package: 128-pin TQFP (PDT), 14 mm × 14 mm, thermally enhanced with exposed pad (not electrically connected). Pinout validated per TI SLASEN5 datasheet Section 4.1–4.2.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H743VIT6 and RZ/T2M R7S92200, the MSP432E401YTPDTR uniquely combines integrated 10/100 PHY with IEEE 1588 hardware timestamping, full cryptographic acceleration, and industrial temperature grade in a single 128-pin TQFP - reducing system latency, component count, and security validation effort for edge gateway designs.

Availability

MSP432E401YTPDTR is available at Aetrix Electronics and suitable for industrial Ethernet gateway, factory automation data collector, and building zone controller applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for MSP432E401YTPDTR 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 specializing in analog, embedded processing, and connectivity technologies, with leadership in industrial, automotive, and communications markets.

The MSP432E401YTPDTR belongs to the SimpleLink™ Ethernet MCU product line, designed specifically for cost-effective, highly connected industrial edge devices requiring robust real-time control, secure networking, and broad peripheral integration without external glue logic.

FAQ

What is the maximum operating frequency and performance rating of the MSP432E401YTPDTR?

The MSP432E401YTPDTR operates at a maximum core frequency of 120 MHz and delivers 150 DMIPS of performance. This is achieved using the Arm Cortex-M4F processor with hardware floating-point unit and Thumb-2 instruction set, enabling efficient execution of control algorithms and signal processing tasks in real-time industrial applications.

Does the MSP432E401YTPDTR include an integrated Ethernet PHY, and what standards does it support?

Yes, the MSP432E401YTPDTR integrates a full 10/100 Ethernet PHY with IEEE 1588 Precision Time Protocol (PTP) hardware timestamping support. It complies with IEEE 802.3u (100BASE-TX) and supports MII interface, eliminating the need for an external PHY chip and reducing system BOM and board area.

How is security implemented in the MSP432E401YTPDTR, and what cryptographic functions are hardware-accelerated?

The MSP432E401YTPDTR includes dedicated hardware accelerators for AES-128/192/256, DES (168-bit effective), SHA-1/SHA-2/MD5, and CRC-16/32, plus four configurable tamper inputs. These features enable secure boot, encrypted firmware updates, and runtime integrity verification without taxing the main CPU - critical for industrial IoT deployments.

What are the analog capabilities of the MSP432E401YTPDTR, and how many ADC channels are supported?

The MSP432E401YTPDTR integrates two independent 12-bit SAR ADC modules, each capable of up to 2 million samples per second (2 Msps), with support for up to 20 total analog input channels. It also includes three analog comparators and 16 digital comparators for fast, deterministic threshold-based event generation.

What development tools and software support are available for the MSP432E401YTPDTR?

Texas Instruments provides the SimpleLink™ MSP432E4 Software Development Kit (SDK), including peripheral driver library, ROM-based bootloader, and FreeRTOS integration. The MSP-EXP432E401Y LaunchPad™ development kit offers out-of-box evaluation with onboard debugger, Ethernet connector, and expansion headers - fully compatible with Code Composer Studio and IAR Embedded Workbench.