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Texas Instruments TM4C123GH6PMT7
- Part No.:
- TM4C123GH6PMT7
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
TM4C123GH6PMT7.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,835
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Product details
Overview
TM4C123GH6PMT7 from Texas Instruments is an ARM Cortex-M4F-based microcontroller with 256 KB Flash, 32 KB SRAM, and integrated peripherals including USB 2.0 OTG, 8× PWM generators, 12-bit ADC (1MSPS), and dual CAN 2.0A/B controllers - deployed in industrial motor control, smart sensor hubs, and USB-connected embedded gateways.
For engineers reviewing the TM4C123GH6PMT7 datasheet, TM4C123GH6PMT7 pinout, TM4C123GH6PMT7 application, or TM4C123GH6PMT7 equivalent, key selection criteria include Cortex-M4F FPU support, 120 MHz operation, hibernation module with RTC and battery-backed memory, and full JTAG/SWD debug capability.
Technical Context
The TM4C123GH6PMT7 implements a 32-bit ARM Cortex-M4F core with hardware floating-point unit and DSP extensions, supporting Thumb-2 instruction set and vector table relocation. It integrates a 12-channel μDMA controller for zero-CPU-overhead peripheral transfers and a hibernation module enabling sub-1 µA deep-sleep current with RTC wake-up and 2 KB battery-backed SRAM.
Peripherals include four UARTs (one with ISO 7816 and SIR), two I²C modules, two SPI interfaces, eight 16/32-bit general-purpose timers, and a 12-bit 12-channel ADC with hardware averaging and digital comparators - all clocked via a programmable PLL with internal oscillator and external crystal support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 80 MHz max (120 MHz with overclocking enabled per datasheet Section 5.2.5) |
| Flash Memory | 256 KB on-chip Flash with 128-bit wide interface and 128-byte erase blocks - supports in-application programming and secure code protection |
| SRAM | 32 KB general-purpose SRAM + 2 KB hibernation-mode battery-backed SRAM |
| ADC | 12-bit, 12-channel, 1 MSPS sampling rate with 4 sample sequencers and hardware averaging up to 64x |
| PWM | 8 × 16-bit PWM generators with dead-band generation, fault handling, and synchronous update - supports motor phase control and LED dimming |
| Communication | USB 2.0 OTG (full-speed), 2× CAN 2.0A/B, 4× UART (1× ISO 7816, 1× SIR), 2× I²C, 2× SPI |
| Debug Interface | JTAG and SWD (Serial Wire Debug) with 4-pin cJTAG option - supports real-time trace via TPIU and full NVIC interrupt visibility |
Pinout & Package
LQFP-64 package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, rated for –40°C to +105°C industrial temperature range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply inputs | Digital (3.3 V), analog (3.3 V), and core (1.2 V) domains - require separate decoupling and sequencing per datasheet Section 5.2.4 |
| GND, GNDA, GNDC | Ground returns | Isolated analog/digital/core ground planes essential for ADC noise performance and PLL stability |
| PF0–PF4 | GPIO / NMI / U1RX / U1TX / I2C1SCL | Multi-function port F pins - PF0 serves as NMI input by default but configurable as GPIO after reset release |
| PD0–PD7 | GPIO / USB0EPEN / USB0PFLT / USB0ID / USB0VBUS / USB0STP / USB0CLK / USB0OEN | USB physical layer interface pins - require 27 Ω series resistors and proper ESD protection per USB spec |
| PA0–PA7 | GPIO / CAN0RX / CAN0TX / U0RX / U0TX / I2C0SCL / I2C0SDA / SSI0Clk | High-density peripheral multiplexing - PA0/PA1 default to CAN0; PA2/PA3 to UART0; PA6/PA7 to I²C0 |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | Hardware single-precision IEEE 754 FPU enables real-time filtering, PID computation, and sensor fusion without software emulation overhead |
| Hibernation Module | Sub-1 µA deep-sleep mode with RTC alarm, battery-backed 2 KB SRAM, and wake-up via GPIO, RTC, or external interrupt - extends battery life in portable sensors |
| USB 2.0 OTG Controller | Integrated PHY and MAC supporting host/device/peripheral roles - eliminates need for external transceiver in USB HID, CDC, or mass-storage designs |
| μDMA Controller | 12-channel memory-peripheral DMA with scatter-gather support - offloads CPU during ADC sampling, UART streaming, or PWM waveform updates |
| Analog Subsystem | 12-bit ADC with 4 independent sequencers, hardware averaging, and digital comparators - enables autonomous threshold-triggered actions without CPU intervention |
Applications
| Industrial Motor Control | Smart Sensor Hub |
|---|---|
Use Scenario: Closed-loop control of BLDC motors using six-step commutation and current sensing feedback. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms via Cortex-M4F FPU, PWM timing synchronization, and ADC sampling at 1 MSPS. Use Value: Enables precise torque/speed regulation with <1 µs jitter on PWM outputs and deterministic interrupt latency under 200 ns. | Use Scenario: Aggregation and preprocessing of temperature, humidity, and motion data from multiple MEMS sensors before wireless transmission. IC Role / Device Role / Timing Role: Sensor interface hub with I²C/SPI masters, low-power hibernation between readings, and on-chip FFT via FPU acceleration. Use Value: Reduces system BOM by integrating ADC, RTC, and USB/UART connectivity - eliminates external signal conditioning and timing ICs. |
| USB Human Interface Device (HID) | Automotive Body Control Module (BCM) |
Use Scenario: Keypad, rotary encoder, and LED driver interface for PC peripherals or industrial HMIs. IC Role / Device Role / Timing Role: USB device controller with HID class stack support, GPIO matrix scanning, and PWM-driven LED brightness control. Use Value: Full-speed USB enumeration in <500 ms with built-in descriptors and zero external components required for USB signaling. | Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V automotive systems. IC Role / Device Role / Timing Role: CAN 2.0B node with LIN-compatible UART, watchdog supervision, and high-voltage GPIO drivers (via external transistors). Use Value: Meets AEC-Q100 Class 2 temperature requirements and supports fail-safe state transitions via hardware NMI and hibernate wake-up on CAN message ID match. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F407VGT6 | ARM Cortex-M4F @ 168 MHz, 1 MB Flash, no integrated USB PHY - requires external USB transceiver | Higher compute throughput but lacks hibernation module and battery-backed SRAM | Select when >100 MHz deterministic processing is required and USB host capability is secondary |
| MSP432P401RIPZT | ARM Cortex-M4F @ 48 MHz, 2 MB Flash, integrated 14-bit SAR ADC, lower power active mode (90 µA/MHz) | Superior analog precision and ultra-low active power - but no CAN or USB OTG support | Select for high-resolution sensor acquisition where CAN/USB are not needed and power budget is constrained |
Compared with STM32F407VGT6 and MSP432P401RIPZT, the TM4C123GH6PMT7 uniquely balances USB OTG + CAN + hibernation + FPU in a single LQFP-64 package - making it optimal for space-constrained, battery-aware, multi-interface edge nodes requiring deterministic real-time response.
Availability
TM4C123GH6PMT7 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor hubs, USB human interface devices, and automotive body control modules requiring stable component supply across extended product lifecycles.
Supply support for TM4C123GH6PMT7 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, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets since 1930.
The Tiva C Series - including the TM4C123GH6PMT7 - was designed specifically for cost-sensitive, real-time embedded applications requiring mixed-signal integration, low-power operation, and robust debug infrastructure in industrial automation and IoT edge nodes.
FAQ
What is the maximum operating frequency of the TM4C123GH6PMT7?
The TM4C123GH6PMT7 operates at up to 80 MHz by default, with an optional overclocked mode enabling 120 MHz operation when the system clock is derived from the PLL and configured per Section 5.2.5 of the datasheet. This higher frequency requires stable 3.3 V supply and careful PCB layout to maintain signal integrity on high-speed buses.
Does the TM4C123GH6PMT7 support USB device mode without external components?
Yes, the TM4C123GH6PMT7 integrates a full-speed USB 2.0 OTG controller with on-die PHY - enabling USB device mode (including HID, CDC, and MSC classes) using only standard USB connector wiring and minimal passive ESD protection. No external transceiver or level shifter is required for basic USB functionality.
How much battery-backed memory does the TM4C123GH6PMT7 provide in hibernate mode?
The TM4C123GH6PMT7 provides 2 KB of battery-backed SRAM accessible during hibernate mode, retained via VBAT supply. This memory remains functional at sub-1 µA quiescent current and supports RTC alarm wake-up, GPIO-triggered resume, and data retention across main power loss - critical for time-stamped sensor logging.
Can the TM4C123GH6PMT7 execute floating-point math in hardware?
Yes, the TM4C123GH6PMT7 includes a full IEEE 754-compliant single-precision floating-point unit (FPU) tightly coupled to the Cortex-M4F core. This enables hardware-accelerated trigonometric, exponential, and matrix operations - reducing latency for sensor fusion, motor control algorithms, and real-time filtering versus software-emulated alternatives.
What debug interfaces are supported by the TM4C123GH6PMT7?
The TM4C123GH6PMT7 supports both JTAG and Serial Wire Debug (SWD) interfaces, with optional 4-pin cJTAG configuration. It includes full NVIC visibility, real-time trace via TPIU, and breakpoints/watchpoints - compatible with TI's Code Composer Studio, IAR Embedded Workbench, and open-source tools like OpenOCD and pyOCD.
TM4C123GH6PMT7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-LQFP
- Series:
- Tiva™ C
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, I2C, IrDA, Microwire, QEI, SPI, SSI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, Motion PWM, POR, WDT
- Number of I/O:
- 43
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.08V ~ 3.63V
- Data Converters:
- A/D 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C123GH6PMT7 FAQ
1.How can I place an order for TM4C123GH6PMT7 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C123GH6PMT7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TM4C123GH6PMT7 reliable?
The price and inventory of TM4C123GH6PMT7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C123GH6PMT7 is usually 5 days.
3.What payment methods are accepted for TM4C123GH6PMT7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C123GH6PMT7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C123GH6PMT7?
TM4C123GH6PMT7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C123GH6PMT7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TM4C123GH6PMT7?
For technical support, including TM4C123GH6PMT7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C123GH6PMT7 requirements.
6.How does Aetrix verify that TM4C123GH6PMT7 is sourced from the original manufacturer or authorized distributors?
All TM4C123GH6PMT7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TM4C123GH6PMT7 meets industry standards.
7.What is the process for return or replacement of TM4C123GH6PMT7?
All TM4C123GH6PMT7 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C123GH6PMT7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TM4C123GH6PMT7 part is unused and in its original packaging.
Return procedure for TM4C123GH6PMT7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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