TM4C1231D5PMI 32-bit ARM Cortex-M4 Microcontroller, PMI Package

TM4C1231D5PMI Overview

The TM4C1231D5PMI is a 32?bit microcontroller built around an ARM? Cortex?M4F core. It targets embedded control and sensor applications that need both compute and real?time I/O. The device integrates on?chip Flash, SRAM, mixed?signal peripherals and multiple serial interfaces for flexible system integration. Designers can leverage the device for compact designs that require a balance of processing performance and peripheral density. Further manufacturer resources and design tools are available from IC Manufacturer.

TM4C1231D5PMI Technical Specifications

TM4C1231D5PMI Key Features

• ARM Cortex?M4F core ?? provides single?precision floating point acceleration for faster math and control loops.
• On?chip Flash and SRAM ?? reduces external memory requirements and simplifies PCB layout.
• Rich peripheral set ?? UART, SPI/SSI, I2C and USB enable multiple serial links and easier integration with sensors and comms modules.
• 12?bit ADC and PWM timers ?? allow precise analog measurement and motor or power control in real?time systems.
• Industrial temperature range ?? suitable for robust deployments in factory, building automation, and field equipment.

Typical Applications

• Industrial sensor concentrators that require local signal conditioning, 12?bit ADC measurements and serial links to a host controller.
• Motor control and power conversion controllers where low?latency PWM generation and floating?point math accelerate control algorithms.
• Embedded human?machine interfaces that combine GPIO, USB connectivity and multiple UART/SPI buses for displays and peripherals.
• Data acquisition modules in test and instrumentation systems that need compact MCU processing and deterministic timers for sampling.

TM4C1231D5PMI Advantages vs Typical Alternatives

The device combines a Cortex?M4F core with integrated DSP?friendly instructions and a floating?point unit. This yields higher computation throughput than many Cortex?M0/M3 alternatives at comparable clock rates. On?chip Flash and SRAM reduce BOM and board area versus solutions that require external memory. The mix of 12?bit ADC, multiple serial interfaces and PWM timers gives broader peripheral integration than simpler microcontrollers, enabling fewer external components and faster time?to?market for control and acquisition designs.

TM4C1231D5PMI Brand Info

The TM4C1231D5PMI is part of the TM4C family from Texas Instruments. TI supplies silicon, development kits and software libraries to speed evaluation and production. Designers can access TI??s device documentation, application notes and code examples to integrate the microcontroller into industrial and embedded projects.

FAQ

What core architecture does it use?

It uses an ARM Cortex?M4F core. The core includes single?precision floating?point capability and deterministic interrupt handling for real?time control tasks.

What analog inputs are available?

The MCU offers a 12?bit ADC for precision analog measurements. Multiple channels and on?chip sampling features support sensor interfacing without large external ADCs.

Which serial interfaces are supported?

Standard serial peripherals include UART, SSI (compatible with SPI), I2C and USB. These interfaces permit connectivity to sensors, actuators, and host systems.

What package should I plan for?

The device is available in an LQFP?64 package. That package supports a moderate pin count and is suitable for compact PCBs while retaining flexible I/O routing.

Is this MCU suited for industrial use?

Yes. The device is specified for industrial operating temperatures and integrates peripherals commonly required in industrial control, data acquisition and embedded automation systems.