Texas Instruments TM4C1232E6PMI7

Overview

TM4C1232E6PMI7 from Texas Instruments is an ARM Cortex-M4F-based microcontroller with 80 MHz operation, 256 KB flash, 32 KB SRAM, integrated USB 2.0 OTG, and 12-bit ADC with 12 channels-designed for real-time industrial control and motor drive applications requiring deterministic floating-point math and low-latency peripheral response.

For engineers reviewing the TM4C1232E6PMI7 datasheet, TM4C1232E6PMI7 pinout, TM4C1232E6PMI7 application, or TM4C1232E6PMI7 equivalent, key selection criteria include its 80 MHz Cortex-M4F core with FPU, USB OTG support, 12-bit 1-MSPS ADC, PWM-capable timers, and -40°C to +105°C industrial temperature grade in a 64-pin LQFP package.

Technical Context

The TM4C1232E6PMI7 integrates a single-core ARM Cortex-M4F processor with hardware floating-point unit (FPU), supporting Thumb-2 instruction set and DSP extensions. It features a 32-bit bus interface, memory protection unit (MPU), and NVIC with 64 interrupt lines-enabling deterministic real-time execution in safety-aware embedded systems.

Peripherals include two USB controllers (one OTG-capable), four UARTs, two I²C modules, three SSI (SPI) interfaces, two analog comparators, and eight PWM generator blocks with 16 PWM outputs. All are clocked via a flexible system clock tree with PLL, internal RC oscillator, and external crystal support up to 25 MHz.

Key Specifications

Pinout & Package

Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL-3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F405RGT6 and MSP432P401RIPZT, the TM4C1232E6PMI7 delivers balanced performance for industrial control with integrated USB PHY, industrial temperature range, and hardware-accelerated PWM-making it optimal for space-constrained, field-deployed systems needing robust connectivity and deterministic timing.

Availability

TM4C1232E6PMI7 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, PLC I/O modules, and USB-capable field programmers requiring stable component supply across extended product lifecycles.

Supply support for TM4C1232E6PMI7 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and consumer markets since 1930.

The TM4C1232E6PMI7 belongs to TI's Tiva C Series microcontroller family, engineered specifically for real-time industrial automation, motor control, and human-machine interface applications demanding high reliability, integrated peripherals, and long-term supply assurance.

FAQ

What is the maximum operating frequency of the TM4C1232E6PMI7?

The TM4C1232E6PMI7 operates at a maximum system clock frequency of 80 MHz, achieved via its internal PLL that accepts input from an external 1–25 MHz crystal or internal 16 MHz RC oscillator. This frequency is fully supported across the entire industrial temperature range (-40°C to +105°C), ensuring consistent real-time performance in demanding environments.

Does the TM4C1232E6PMI7 include an integrated USB physical layer?

Yes, the TM4C1232E6PMI7 includes a full-speed USB 2.0 OTG controller with an integrated PHY, supporting device, host, and OTG modes without requiring external transceivers. This integration reduces bill-of-materials cost and PCB area while simplifying USB compliance testing for CDC, HID, and mass-storage class implementations using the TM4C1232E6PMI7.

What ADC resolution and sampling rate does the TM4C1232E6PMI7 support?

The TM4C1232E6PMI7 features a 12-bit successive approximation register (SAR) ADC with up to 12 input channels and a maximum sampling rate of 1 million samples per second (1 MSPS). It supports hardware sample averaging across up to 64 conversions per channel, improving effective resolution for low-noise sensor measurements in applications using the TM4C1232E6PMI7.

Is the TM4C1232E6PMI7 qualified for industrial temperature operation?

Yes, the TM4C1232E6PMI7 is rated for industrial temperature operation from -40°C to +105°C, verified across all electrical specifications in the official Texas Instruments datasheet (SPMS343E). This qualification ensures reliable functionality in factory automation, power conversion, and outdoor embedded systems where ambient thermal stress is present during TM4C1232E6PMI7 deployment.

How many PWM outputs does the TM4C1232E6PMI7 provide, and what advanced features do they support?

The TM4C1232E6PMI7 provides 16 PWM outputs distributed across eight independent PWM generator blocks. Each block supports complementary output pairs with programmable dead-band insertion, fault shutdown inputs, and synchronous load triggers-enabling precise three-phase motor control, digital power supply regulation, and lighting dimming applications using the TM4C1232E6PMI7.