TM4C123FH6PMI ARM Cortex-M4F 80MHz MCU, 64-LQFP package

TM4C123FH6PMI Overview

The TM4C123FH6PMI is a microcontroller family member built around an ARM Cortex-M4F core offering floating-point support for signal processing and control tasks. It combines on-chip flash and SRAM, a broad set of serial peripherals, multiple timers, and precision analog inputs to support embedded control, human-machine interfaces, and industrial communication nodes. Engineers and sourcing specialists can find detailed ordering and support resources via IC Manufacturer.

TM4C123FH6PMI Technical Specifications

TM4C123FH6PMI Key Features

• ARM Cortex-M4F core that accelerates DSP and control algorithms with single-precision floating-point performance.
• On-chip 256 KB flash and 32 KB SRAM for compact firmware and local buffering without external memory.
• 12-bit ADC for finer analog resolution useful in sensors and measurement front-ends.
• Integrated USB full-speed enabling direct host or device connectivity for data logging, configuration, and firmware updates.
• Up to 43 GPIOs and multiple serial ports for flexible I/O routing and peripheral interfacing.

Typical Applications

• Industrial motor control and closed-loop drives where floating-point math and PWM timers improve torque and speed regulation across varied loads.
• Human-machine interface panels providing touch, button scanning, and display control combined with local data logging over USB.
• Sensor gateway nodes converting multiple analog inputs with 12-bit resolution and forwarding data over serial links or USB.
• Embedded communication controllers in test equipment that require deterministic timing, on-chip memory, and multiple UART/SPI/I2C ports for instruments.

TM4C123FH6PMI Advantages vs Typical Alternatives

The device pairs a floating-point Cortex-M4F core with larger on-chip flash and SRAM than many STM32F0-class MCUs, offering faster math and more code/data space. Its integrated full-speed USB and a versatile peripheral mix reduce external component count and board area. For control and signal-processing tasks, this part provides higher computational throughput and greater peripheral integration compared to basic Cortex-M0 alternatives, enabling simpler system designs and fewer external interfaces.

TM4C123FH6PMI Brand Info

The TM4C123FH6PMI is part of Texas Instruments’ Tiva? C Series microcontrollers. Texas Instruments provides comprehensive development tools, software libraries, and application notes targeted at industrial and embedded engineers to accelerate time-to-market and support robust designs.

FAQ

What development tools are supported?

Official support includes TI’s Code Composer Studio and third-party toolchains that target ARM Cortex-M cores. TI also publishes device drivers and peripheral libraries to accelerate firmware development without creating low-level drivers from scratch.

Does it include a hardware FPU?

Yes. The Cortex-M4F core includes a single-precision hardware floating-point unit, which reduces CPU cycles for floating-point arithmetic and improves real-time signal-processing performance.

What analog inputs are available?

The microcontroller integrates a 12-bit ADC suitable for sensor measurement and monitoring. Multiple channels and sequencers support multiplexed inputs and deterministic sampling in embedded measurement systems.

Can it support USB device and host roles?

Yes. The integrated USB full-speed controller supports device, host, and OTG roles, enabling direct connection to PCs, peripherals, and USB storage for firmware updates and data transfer.

What is the operating temperature range?

The device is specified for industrial temperature operation from -40 ??C to +85 ??C, making it suitable for many rugged and industrial environments where thermal margins matter.