Overview
The TM4C123GH6PMI7R microcontroller, produced by Texas Instruments, is a robust and feature-rich device targeted for various industrial applications. It is part of the Tiva C Series and is built around the 32-bit ARM Cortex-M4 processor core, operating at a frequency of up to 80 MHz. This microcontroller is designed to meet the demands of industrial environments with its wide operating temperature range and comprehensive set of peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | 32-bit ARM Cortex-M4, 80 MHz |
| Flash Memory | 256 KB single-cycle Flash up to 40 MHz |
| SRAM | 32 KB single-cycle SRAM |
| EEPROM | 2 KB |
| Package | 64-pin LQFP (PM) |
| Operating Temperature Range | -40°C to 85°C |
| GPIOs | Up to 43 programmable I/Os |
| CAN Modules | Two CAN modules, CAN protocol version 2.0 part A/B |
| USB Controller | USB 2.0 full-speed (12 Mbps) and low-speed (1.5 Mbps), 32 endpoints, USB OTG/Host/Device mode |
| Analog-to-Digital Converters (ADC) | Two 12-bit ADCs with 12 analog input channels, sample rate of one million samples/second |
| Pulse Width Modulation (PWM) | Eight PWM generator blocks, each with one 16-bit counter |
| Quadrature Encoder Interface (QEI) | Two QEI modules with position integrator and velocity capture |
Key Features
- Processor Core: 32-bit ARM Cortex-M4 with System Timer (SysTick), Nested Vectored Interrupt Controller (NVIC), Wake-Up Interrupt Controller (WIC), Memory Protection Unit (MPU), and IEEE754-compliant single-precision Floating-Point Unit (FPU).
- On-Chip Memory: 256 KB single-cycle Flash, 32 KB single-cycle SRAM, and 2 KB EEPROM. Internal ROM loaded with TivaWare™ for C Series software.
- Serial Communications: Two CAN modules, eight UARTs with IrDA, 9-bit, and ISO 7816 support, four Synchronous Serial Interface (SSI) modules, and four Inter-Integrated Circuit (I²C) modules.
- Analog Support: Two 12-bit Analog-to-Digital Converters (ADC) with 12 analog input channels, two analog comparators, and 16 digital comparators.
- Motion Control: Eight Pulse Width Modulation (PWM) generator blocks, two Quadrature Encoder Interface (QEI) modules, and two PWM fault inputs.
- Timers and Watchdogs: Six 32-bit general-purpose timers, six wide 64-bit general-purpose timers, and two ARM FiRM-compliant watchdog timers.
- GPIO and Pin Muxing: Up to 43 programmable GPIOs with flexible pin muxing and programmable control for GPIO interrupts and pad configuration.
- Debug and Clock Sources: Full-featured debug solution with JTAG and Serial Wire interfaces, and multiple clock sources including Precision Oscillator (PIOSC), Main Oscillator (MOSC), and external oscillators.
Applications
The TM4C123GH6PMI7R microcontroller is designed for a wide range of industrial applications, including:
- Remote monitoring
- Electronic point-of-sale machines
- Test and measurement equipment
- Network appliances and switches
- Factory automation
- HVAC and building control
- Gaming equipment
- Motion control
- Transportation
- Fire and security systems
Q & A
- What is the processor core of the TM4C123GH6PMI7R microcontroller?
The processor core is a 32-bit ARM Cortex-M4 operating at up to 80 MHz.
- How much Flash and SRAM memory does the TM4C123GH6PMI7R have?
The microcontroller has 256 KB of single-cycle Flash and 32 KB of single-cycle SRAM.
- What types of serial communication peripherals are available on the TM4C123GH6PMI7R?
The microcontroller features two CAN modules, eight UARTs, four SSI modules, and four I²C modules.
- What is the operating temperature range of the TM4C123GH6PMI7R?
The operating temperature range is -40°C to 85°C.
- How many GPIOs are available on the TM4C123GH6PMI7R?
Up to 43 programmable GPIOs are available.
- What types of analog-to-digital converters (ADCs) are included in the TM4C123GH6PMI7R?
The microcontroller includes two 12-bit ADCs with 12 analog input channels each.
- Does the TM4C123GH6PMI7R support USB communication?
Yes, it supports USB 2.0 full-speed and low-speed operation with 32 endpoints and USB OTG/Host/Device mode.
- What motion control features are available on the TM4C123GH6PMI7R?
The microcontroller features eight PWM generator blocks and two Quadrature Encoder Interface (QEI) modules.
- What debug interfaces are available on the TM4C123GH6PMI7R?
The microcontroller supports JTAG and Serial Wire interfaces for debugging.
- What are some common applications for the TM4C123GH6PMI7R microcontroller?
Common applications include remote monitoring, electronic point-of-sale machines, test and measurement equipment, and factory automation among others).
