Texas Instruments TM4C1230D5PMI
- Part No.:
- TM4C1230D5PMI
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
TM4C1230D5PMI.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:348
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Product details
Overview
TM4C1230D5PMI from Texas Instruments is an ARM Cortex-M4F-based microcontroller with 80 MHz operation, 256 KB flash, 32 KB SRAM, integrated USB 2.0 device controller, 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 TM4C1230D5PMI datasheet, TM4C1230D5PMI pinout, TM4C1230D5PMI application, or TM4C1230D5PMI equivalent, key selection criteria include its 100-pin LQFP package, USB device + UART/SSI/I²C interface concurrency, 12-bit 1-MSPS ADC timing, and Cortex-M4F FPU support for sensor fusion and closed-loop control firmware.
Technical Context
The TM4C1230D5PMI integrates a single-core ARM Cortex-M4F processor with hardware floating-point unit (FPU), supporting Thumb-2 instruction set and vector table relocation for flexible interrupt handling. It features a 32-bit AHB bus matrix connecting CPU, memory, and peripherals including μDMA, GPIO, GPTM, and watchdog modules.
System-level integration includes programmable clock gating per peripheral, multiple low-power sleep modes (Sleep, Deep Sleep, Hibernate), and on-chip ROM with TivaWare™ driver library. The device supports JTAG and SWD debug interfaces, with dedicated pins for serial wire trace (SWO) and system reset control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 80 MHz - enables real-time signal processing with hardware FPU for IEEE 754 single-precision math |
| Flash Memory | 256 KB - sufficient for complex control algorithms plus bootloader and field-upgradable firmware images |
| SRAM | 32 KB - supports stack/heap allocation for multitasking RTOS environments with minimal external RAM dependency |
| ADC Resolution & Speed | 12-bit, 1 MSPS - captures fast analog transients in motor current sensing or power supply monitoring |
| USB Interface | USB 2.0 Device-only - enables HID, CDC, or MSC class implementations without external PHY |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) - compatible with standard PCB assembly processes and thermal management for industrial ambient |
| Operating Temp | –40°C to +105°C - qualified for extended temperature industrial and automotive under-hood applications |
Pinout & Package
TM4C1230D5PMI is housed in a 100-pin LQFP package with exposed thermal pad (EP). Pin assignments follow TI's standard Tiva C Series pin mapping, supporting multiplexed peripheral functions per GPIO bank and dedicated analog/digital power domains.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Digital/Analog/Core Supply | Separate 3.3 V domains isolate noise-sensitive ADC and digital logic; requires local decoupling per TI layout guidelines |
| GND, GNDA, GNDC | Digital/Analog/Core Ground | Independent ground returns prevent coupling between high-speed digital switching and precision analog conversion |
| USB0VBUS, USB0ID, USB0DM, USB0DP | USB 2.0 Device Interface | Full-speed USB signaling with internal pull-ups; VBUS detection enables host-powered enumeration and power management |
| PD0–PD7, PE0–PE5, PF0–PF4 | GPIO with Peripheral Multiplexing | Configurable as UART, SSI, I²C, PWM, or ADC inputs; PF0 supports NMI and resets with configurable slew rate |
| PH0–PH3 | Analog Input Channels (AIN0–AIN3) | Dedicated ADC input pins with internal sample-and-hold; support differential mode and temperature sensor routing |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | Hardware-accelerated IEEE 754 single-precision math reduces cycle count for PID tuning, FFT, and sensor calibration routines |
| μDMA Controller | 32-channel scatter-gather DMA offloads CPU during ADC sampling, UART streaming, or USB bulk transfers without interrupt overhead |
| Integrated USB Device Stack | ROM-resident USB device stack supports CDC, HID, and MSC classes-eliminates need for external USB controller or firmware stack licensing |
| Programmable Clock Gating | Per-peripheral clock enable/disable allows dynamic power scaling; idle peripherals consume near-zero active current |
| Wide Temperature Range | –40°C to +105°C operation ensures reliability in uncontrolled industrial enclosures and motor drive cabinets |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop BLDC motor commutation with real-time current/voltage feedback and field-oriented control (FOC). IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM generation, ADC sampling synchronization, and fault protection logic. Use Value: 80 MHz Cortex-M4F + FPU delivers sub-microsecond loop timing; 12-bit ADC with hardware averaging enables precise current reconstruction at 20 kHz update rate. | Use Scenario: Battery-powered environmental sensor hub aggregating temperature, humidity, and pressure data with local edge processing. IC Role / Device Role / Timing Role: System-on-chip host managing multi-sensor I²C/SSI interfaces, low-power wake-up timers, and USB/CDC virtual COM port for configuration. Use Value: Integrated USB device + 32 KB SRAM allows firmware updates and sensor calibration over USB without external interface IC; deep-sleep current < 2 µA extends battery life. |
| Programmable Logic Controller (PLC) I/O Module | Human-Machine Interface (HMI) Controller |
Use Scenario: DIN-rail mounted I/O expansion module with digital input filtering, analog input conditioning, and Modbus RTU over UART. IC Role / Device Role / Timing Role: Real-time I/O processor handling debounce, scaling, and protocol framing while maintaining deterministic scan cycle timing. Use Value: 100-pin LQFP provides ample GPIO for discrete I/O; UART + μDMA enables zero-dropout Modbus frame transmission at 115.2 kbps. | Use Scenario: Touch-enabled display controller interfacing with resistive touch panel, SPI OLED/LCD, and pushbutton inputs in factory-floor HMI panels. IC Role / Device Role / Timing Role: Graphics-adjacent controller managing touch coordinate acquisition, button debouncing, and serial display updates via SSI or UART. Use Value: On-chip 256 KB flash stores GUI assets and firmware; GPIO with programmable slew rate prevents EMI during display refresh transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F401CEU6 | ARM Cortex-M4F @ 84 MHz, 512 KB flash, 96 KB SRAM, no native USB device PHY - requires external USB transceiver | Lacks integrated USB device stack and ROM-based drivers; better suited for cost-sensitive designs where USB is optional | Select when higher flash/SRAM capacity is needed and USB device functionality can be implemented externally |
| MSP432P401RIPZ | ARM Cortex-M4F @ 48 MHz, 2 MB flash, 256 KB SRAM, integrated USB device, but no hardware FPU - uses software-emulated float | Lower CPU frequency limits real-time control loop bandwidth; larger flash supports OTA updates but adds BOM cost | Select when ultra-low power (sub-100 µA deep-sleep) and large firmware storage outweigh FPU performance needs |
Compared with STM32F401CEU6 and MSP432P401RIPZ, the TM4C1230D5PMI offers balanced performance with integrated USB device PHY, ROM-based TivaWare drivers, and deterministic FPU execution-making it optimal for industrial control nodes where firmware size, USB connectivity, and analog processing latency are jointly constrained.
Availability
TM4C1230D5PMI is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, PLC I/O modules, and HMI controllers requiring stable component supply across long-life production cycles.
Supply support for TM4C1230D5PMI 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, specializing in analog, embedded processing, and wireless technologies since 1930.
The TM4C1230D5PMI belongs to TI's Tiva C Series microcontrollers, designed specifically for cost-sensitive, real-time industrial and consumer applications demanding robust analog integration, USB connectivity, and deterministic ARM Cortex-M4F performance.
FAQ
What is the maximum operating frequency of the TM4C1230D5PMI?
The TM4C1230D5PMI operates at a maximum system clock frequency of 80 MHz, derived from an internal PLL that accepts input from an external crystal (4–25 MHz) or internal oscillator. This frequency enables deterministic execution of real-time control loops and supports high-throughput peripheral operations such as USB full-speed data transfer and 1-MSPS ADC sampling without CPU bottlenecking. All timing specifications in the TM4C1230D5PMI datasheet assume operation at this rated frequency under specified voltage and temperature conditions.
Does the TM4C1230D5PMI include an integrated USB physical layer (PHY)?
Yes, the TM4C1230D5PMI integrates a full-speed USB 2.0 device PHY compliant with USB specification revision 2.0. It supports standard USB device classes including CDC, HID, and MSC directly from the silicon-no external transceiver or level-shifter is required. The TM4C1230D5PMI also includes ROM-resident USB stack libraries (TivaWare™) to reduce firmware footprint and accelerate development of USB-enabled applications.
How much on-chip flash and SRAM does the TM4C1230D5PMI provide?
The TM4C1230D5PMI contains 256 KB of on-chip flash memory for program storage and 32 KB of on-chip SRAM for runtime data, stack, and heap. Flash supports in-application programming (IAP) and sector erase with hardware write protection; SRAM is partitioned into contiguous blocks accessible by both CPU and μDMA. These capacities are validated for use with TI's TivaWare™ driver suite and common RTOS kernels like FreeRTOS and TI-RTOS without external memory expansion.
What debug interfaces are supported by the TM4C1230D5PMI?
The TM4C1230D5PMI supports both JTAG and Serial Wire Debug (SWD) interfaces for programming and real-time debugging. Pins PA0–PA3 and PF0 serve dual roles for SWDIO, SWCLK, and nRESET, enabling compact debug connections. The device also supports Serial Wire Output (SWO) for real-time trace data streaming. TI's Code Composer Studio and third-party tools like Segger J-Link fully support these interfaces for breakpoint setting, register inspection, and live variable monitoring during TM4C1230D5PMI firmware development.
Is the TM4C1230D5PMI qualified for industrial temperature operation?
Yes, the TM4C1230D5PMI is rated for operation from –40°C to +105°C ambient temperature, meeting industrial-grade qualification standards. This range is verified across all electrical parameters in the official Texas Instruments datasheet (SPMS330E), including flash endurance, ADC linearity, and USB timing margins. The device uses a thermally enhanced LQFP package with exposed pad to maintain junction temperature within safe limits under continuous 80 MHz operation in enclosed industrial environments.
TM4C1230D5PMI 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, SPI, SSI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, WDT
- Number of I/O:
- 49
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.08V ~ 3.63V
- Data Converters:
- A/D 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C1230D5PMI FAQ
1.How can I place an order for TM4C1230D5PMI through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1230D5PMI 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 TM4C1230D5PMI reliable?
The price and inventory of TM4C1230D5PMI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1230D5PMI is usually 5 days.
3.What payment methods are accepted for TM4C1230D5PMI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1230D5PMI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1230D5PMI?
TM4C1230D5PMI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1230D5PMI 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 TM4C1230D5PMI?
For technical support, including TM4C1230D5PMI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1230D5PMI requirements.
6.How does Aetrix verify that TM4C1230D5PMI is sourced from the original manufacturer or authorized distributors?
All TM4C1230D5PMI 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 TM4C1230D5PMI meets industry standards.
7.What is the process for return or replacement of TM4C1230D5PMI?
All TM4C1230D5PMI units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1230D5PMI, 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 TM4C1230D5PMI part is unused and in its original packaging.
Return procedure for TM4C1230D5PMI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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