Texas Instruments TM4C1230C3PMIR
- Part No.:
- TM4C1230C3PMIR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
TM4C1230C3PMIR.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
TM4C1230C3PMIR from Texas Instruments is an ARM Cortex-M4F-based microcontroller with 80 MHz operation, 32 KB Flash, 8 KB SRAM, and integrated USB 2.0 device controller; it supports real-time control in motor drives, industrial sensors, and USB-connected embedded systems.
For engineers reviewing the TM4C1230C3PMIR datasheet, TM4C1230C3PMIR pinout, TM4C1230C3PMIR application, or TM4C1230C3PMIR equivalent, this page delivers verified electrical specs, package mapping, debug interface details, and validated alternative MCUs for industrial and USB-enabled edge-node designs.
Technical Context
The TM4C1230C3PMIR integrates a single-core ARM Cortex-M4F processor with hardware floating-point unit (FPU), 24-bit SysTick timer, NVIC supporting up to 64 interrupts, and MPU for memory protection-enabling deterministic real-time execution in safety-aware firmware.
Its system-level integration includes on-chip USB 2.0 PHY, 12-bit ADC with eight sample sequencers, four UARTs, two I²C modules, two SSI interfaces, and μDMA controller with 32-channel support-configured via dedicated system control registers and clock gating per peripheral.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 80 MHz - enables deterministic real-time control with hardware FPU for sensor fusion or motor algorithm acceleration. |
| Memory | 32 KB Flash + 8 KB SRAM - sufficient for standalone USB HID firmware with interrupt-driven peripherals and minimal external storage dependency. |
| ADC | 12-bit, 1 MSPS, 12-channel - supports simultaneous sampling of analog sensor inputs (e.g., temperature, current) with hardware averaging for noise reduction. |
| USB Interface | USB 2.0 Device (Full-Speed) with integrated PHY - eliminates need for external transceiver; supports CDC, HID, and MSC class implementations out-of-box. |
| Timers | 6 × 32-bit GPTM blocks (12 timers total), 2 × watchdog timers - provides independent PWM generation, input capture, RTC, and fail-safe timeout monitoring. |
| I/O Pins | 49 GPIOs with configurable pull-up/down, slew rate, and drive strength - supports mixed-signal board layout with robust ESD immunity and flexible peripheral multiplexing. |
| Package | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) - compatible with standard PCB assembly processes and thermal management for industrial ambient temperatures. |
Pinout & Package
TM4C1230C3PMIR is housed in a 64-pin LQFP package (Pb-free, RoHS-compliant), with exposed thermal pad for enhanced heat dissipation in continuous operation at 85°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply inputs | Dedicated domains for digital logic (VDD), analog circuitry (VDDA), and core voltage regulator (VDDC) - require separate decoupling for noise isolation. |
| GND, GNDA, GNDC | Ground returns | Isolated ground paths prevent analog reference contamination and ensure stable ADC conversion accuracy. |
| USB0VBUS, USB0ID, USB0DM, USB0DP | USB 2.0 interface signals | Direct connection to USB connector; USB0VBUS enables host-detection logic; no external PHY required. |
| PD0–PD7, PE0–PE5, PF0–PF4 | GPIO bank terminals | Configurable as digital I/O, UART/SSI/I²C functions, or ADC inputs - mapped to specific peripheral modules via GPIO AFSEL register. |
| OSC0, OSC1 | Clock crystal connections | Supports 4–25 MHz crystal oscillator; internal PLL generates 80 MHz system clock - eliminates need for external clock generator. |
| nRST, TRST, TCK, TMS, TDO, TDI | JTAG/SWD debug interface | Enables full-featured debugging and flash programming using TI XDS110 or ARM-compliant debug probes. |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | Hardware-accelerated single-precision math enables efficient PID control, FFT-based signal analysis, or sensor calibration without software emulation overhead. |
| μDMA Controller | 32-channel DMA engine offloads CPU during high-bandwidth transfers (e.g., ADC-to-memory, UART-to-buffer), preserving CPU cycles for real-time decision logic. |
| Integrated USB PHY | On-die USB transceiver reduces BOM count and PCB area; supports battery-powered enumeration and suspend/resume via VBUS sensing. |
| Programmable GPIO Configuration | Per-pin control of drive strength (2/4/8 mA), slew rate (fast/slow), and pull-up/down - simplifies interface to diverse peripherals (e.g., open-drain I²C, 5V-tolerant sensors). |
| ROM-Based Bootloader | Factory-programmed ROM contains In-Application Programming (IAP) routines and USB/UART-based firmware update capability - enables field upgrades without external programmer. |
Applications
| Industrial Motor Control | USB Human Interface Device |
|---|---|
Use Scenario: Closed-loop BLDC motor control with current sensing, position feedback, and real-time commutation timing. IC Role / Device Role / Timing Role: Main controller executing FOC algorithms, generating six-channel PWM, sampling ADC inputs, and managing fault shutdown sequences. Use Value: Hardware FPU and deterministic 80 MHz execution enable sub-microsecond interrupt latency and precise PWM phase alignment across all three phases. | Use Scenario: Programmable industrial keypad with LED indicators, tactile feedback, and plug-and-play USB connectivity. IC Role / Device Role / Timing Role: USB HID device controller handling key scan matrix, LED drive, and report packet generation at 125 Hz polling rate. Use Value: Integrated USB PHY and ROM bootloader allow zero-external-component USB enumeration and firmware updates over standard USB cable. |
| Smart Sensor Node | Embedded Data Logger |
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and pressure data with local processing and USB upload. IC Role / Device Role / Timing Role: Sensor hub aggregating I²C sensor data, performing calibration, storing logs in internal Flash, and acting as USB mass storage device. Use Value: Low-power sleep modes (deep-sleep current < 10 µA) extend battery life; 32 KB Flash retains firmware and 1–2 days of timestamped sensor history. | Use Scenario: Standalone vibration logger mounted on rotating machinery, capturing time-stamped accelerometer waveforms and exporting via USB. IC Role / Device Role / Timing Role: High-speed ADC acquisition engine with μDMA transfer to SRAM, timestamping via GPTM, and USB bulk transfer of binary waveform files. Use Value: 1 MSPS ADC + μDMA enables continuous 10 kHz sampling without CPU intervention; USB bulk transfer moves >1 MB/sec of raw sensor data. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C123GH6PM | Higher memory (256 KB Flash, 32 KB SRAM), same core/peripherals, 144-pin LQFP - larger footprint and higher cost. | Required for complex USB host stacks, large OTA firmware images, or multi-sensor fusion with extended buffer storage. | Select when >32 KB Flash or additional peripherals (e.g., CAN, Ethernet MAC) are needed; not drop-in due to pin count and package size. |
| STM32F401CEU6 | ARM Cortex-M4F @ 84 MHz, 512 KB Flash, 96 KB SRAM, 32-pin QFN - smaller package, no integrated USB PHY, requires external transceiver. | Suitable for space-constrained, cost-sensitive designs where USB is optional or implemented externally. | Choose for compact form factor and higher memory headroom; verify USB implementation complexity and analog performance against TM4C1230C3PMIR's integrated solution. |
Compared with TM4C123GH6PM and STM32F401CEU6, the TM4C1230C3PMIR offers optimal balance of USB integration, analog capability, and compact 64-pin LQFP packaging - ideal for mid-complexity industrial USB devices where BOM simplicity and rapid development are prioritized over maximum memory or smallest footprint.
Availability
TM4C1230C3PMIR is available at Aetrix Electronics and suitable for industrial motor control, USB human interface devices, and smart sensor nodes requiring stable component supply and long-term production support.
Supply support for TM4C1230C3PMIR 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 leader specializing in analog, embedded processing, and connectivity technologies, with decades of experience in industrial, automotive, and communications markets.
The TM4C1230C3PMIR belongs to TI's Tiva C Series microcontrollers, designed specifically for cost-sensitive, USB-connected embedded applications demanding real-time performance, analog integration, and simplified development with TivaWare software ecosystem.
FAQ
What is the maximum operating frequency of the TM4C1230C3PMIR?
The TM4C1230C3PMIR operates at a maximum system clock frequency of 80 MHz, achieved via its internal PLL driven by an external 4–25 MHz crystal connected to OSC0/OSC1. This frequency is fully supported across all on-chip peripherals including USB, ADC, and timers, and is validated under industrial temperature range (–40°C to +85°C).
Does the TM4C1230C3PMIR include an integrated USB physical layer (PHY)?
Yes, the TM4C1230C3PMIR includes a fully integrated USB 2.0 Full-Speed PHY, eliminating the need for external transceivers. Its USB0DM and USB0DP pins connect directly to a standard USB Type-A or Micro-B receptacle, and USB0VBUS enables host presence detection - enabling complete USB device functionality with minimal external components.
How much Flash and SRAM memory does the TM4C1230C3PMIR provide?
The TM4C1230C3PMIR integrates 32 KB of on-chip Flash memory for program storage and 8 KB of SRAM for runtime data and stack usage. Both memory blocks are accessible via the Cortex-M4F bus matrix with zero-wait-state operation at 80 MHz, supporting real-time firmware execution without external memory expansion.
What debug interfaces are supported by the TM4C1230C3PMIR?
The TM4C1230C3PMIR supports both JTAG and 2-pin SWD (Serial Wire Debug) via dedicated pins (TCK, TMS, TDO, TDI, TRST, nRST). It is fully compatible with TI's XDS110 debug probe and ARM-standard tools like OpenOCD and Segger J-Link, enabling breakpoints, watchpoints, memory inspection, and flash programming during development and field service.
Is the TM4C1230C3PMIR qualified for industrial temperature operation?
Yes, the TM4C1230C3PMIR is rated for industrial temperature operation from –40°C to +85°C, with full specification compliance across voltage, timing, and peripheral functionality within that range. Its LQFP package and internal thermal design support reliable operation in enclosed enclosures or unventilated industrial environments without derating.
TM4C1230C3PMIR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-LQFP
- Series:
- Tiva™ C
- Packaging:
- Tape & Reel (TR)
- 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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 12K 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:
TM4C1230C3PMIR FAQ
1.How can I place an order for TM4C1230C3PMIR through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1230C3PMIR 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 TM4C1230C3PMIR reliable?
The price and inventory of TM4C1230C3PMIR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1230C3PMIR is usually 5 days.
3.What payment methods are accepted for TM4C1230C3PMIR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1230C3PMIR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1230C3PMIR?
TM4C1230C3PMIR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1230C3PMIR 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 TM4C1230C3PMIR?
For technical support, including TM4C1230C3PMIR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1230C3PMIR requirements.
6.How does Aetrix verify that TM4C1230C3PMIR is sourced from the original manufacturer or authorized distributors?
All TM4C1230C3PMIR 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 TM4C1230C3PMIR meets industry standards.
7.What is the process for return or replacement of TM4C1230C3PMIR?
All TM4C1230C3PMIR units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1230C3PMIR, 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 TM4C1230C3PMIR part is unused and in its original packaging.
Return procedure for TM4C1230C3PMIR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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