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Texas Instruments TM4C1233H6PMI
- Part No.:
- TM4C1233H6PMI
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
TM4C1233H6PMI.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:671
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Product details
Overview
TM4C1233H6PMI from Texas Instruments is an ARM Cortex-M4F-based microcontroller with 80 MHz operation, 256 KB Flash, 32 KB SRAM, and integrated USB 2.0 OTG, PWM, ADC (12-bit, 1MSPS), and multiple serial interfaces (UART, SPI, I²C). It serves as a main system controller in industrial motor control, sensor gateway, and USB-connected embedded devices.
For engineers reviewing the TM4C1233H6PMI datasheet, TM4C1233H6PMI pinout, TM4C1233H6PMI application, or TM4C1233H6PMI equivalent, this page delivers verified electrical specs, package mapping, debug interface support, real-time peripheral timing constraints, and validated alternative MCUs for migration or dual-sourcing.
Technical Context
The TM4C1233H6PMI integrates a single-core ARM Cortex-M4F with hardware floating-point unit (FPU), supporting IEEE 754 single-precision arithmetic and DSP instructions. Its memory subsystem includes 256 KB on-chip Flash with 128-bit wide access, 32 KB SRAM, and 2 KB EEPROM-all accessible via bus matrix with zero-wait-state execution at 80 MHz.
Peripherals are managed through a hierarchical clock gating scheme with programmable dividers and PLL-based system clock generation. The device supports full JTAG and SWD debugging, with dedicated debug ROM and NVIC-integrated exception handling for deterministic interrupt latency down to 12 cycles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F with FPU - enables real-time signal processing and floating-point math without software emulation overhead. |
| Max Clock Speed | 80 MHz - sustains full-speed execution of time-critical control loops and USB packet handling. |
| Flash Memory | 256 KB - sufficient for bootloader + application firmware + field-upgrade image storage in resource-constrained designs. |
| SRAM | 32 KB - supports stack/heap allocation for RTOS tasks and buffering of high-rate sensor data streams. |
| ADC | 12-bit, 1 MSPS, 12-channel - meets resolution and sampling rate requirements for analog sensor fusion in industrial monitoring. |
| USB Interface | USB 2.0 OTG - allows host/peripheral mode switching and direct connection to PC or USB peripherals without external transceivers. |
| PWM Outputs | 8 × 16-bit PWM generators - provides independent duty-cycle and frequency control for multi-phase motor drive or LED dimming. |
Pinout & Package
LQFP-64 package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply inputs | Dedicated domains for digital logic, analog circuitry, and core voltage-enables noise isolation for ADC and PLL stability. |
| GND, GNDA | Ground returns | Separate analog/digital ground pins reduce coupling noise and improve 12-bit ADC accuracy. |
| USB0VBUS, USB0ID, USB0DM, USB0DP | USB 2.0 OTG interface | Full-speed differential pair with integrated transceiver; ID pin enables OTG role detection without external switches. |
| PD0–PD7, PE0–PE5, PF0–PF4 | GPIO banks | Configurable 5-V-tolerant I/O with slew-rate control and programmable pull-up/down-supports mixed-voltage interfacing and ESD robustness. |
| SSI0CLK, SSI0FSS, SSI0RX, SSI0TX | SPI master/slave interface | Hardware-controlled SPI with FIFO buffering-reduces CPU load during flash programming or sensor register reads. |
| U0RX, U0TX, U1RX, U1TX | UART channels | Two independent UARTs with programmable baud rates up to 3 Mbps-supports simultaneous debug console and modem communication. |
Key Features
| Feature | Design Value |
|---|---|
| Hibernation module with RTC | Enables sub-1 µA deep-sleep current with battery-backed wake-up timer-ideal for battery-powered sensor nodes requiring scheduled sampling. |
| μDMA controller (32-channel) | Offloads CPU from peripheral-to-memory transfers-enables continuous ADC sampling or USB streaming without interrupt overhead. |
| Integrated ROM bootloader | Supports in-field firmware updates via UART, USB, or I²C-eliminates need for external programmer in production or field service. |
| Peripheral register locking | Prevents accidental reconfiguration of critical peripherals (e.g., PWM, clock) during runtime-enhances system reliability in safety-aware applications. |
| GPIO commit registers | Allows atomic update of multiple GPIO configurations-avoids glitching during port-wide mode changes in motor control sequences. |
Applications
| Industrial Motor Control | USB Sensor Gateway |
|---|---|
Use Scenario: Closed-loop control of BLDC motors using hall-effect feedback and space-vector PWM. IC Role / Device Role / Timing Role: Real-time system controller executing FOC algorithm, managing gate drivers, and communicating status over USB. Use Value: 80 MHz Cortex-M4F with FPU delivers <10 µs loop latency; 8× PWM outputs enable precise phase timing; integrated USB avoids external bridge IC. |
Use Scenario: Aggregating data from multiple analog and digital sensors (temperature, pressure, humidity) and forwarding via USB to host PC. IC Role / Device Role / Timing Role: Central data acquisition hub with synchronized ADC sampling, buffer management, and USB bulk transfer scheduling. Use Value: 12-channel 12-bit ADC supports simultaneous sampling; μDMA handles sensor-to-USB streaming; ROM bootloader simplifies firmware updates in deployed units. |
| Smart Lighting Controller | Embedded HMI Panel |
Use Scenario: RGBW LED driver with color mixing, dimming profiles, and ambient light compensation. IC Role / Device Role / Timing Role: Primary lighting engine managing PWM timing, I²C sensor reads, and user input via capacitive touch. Use Value: 8× independent 16-bit PWM channels allow per-channel brightness/color control; internal temperature sensor enables thermal derating without external components. |
Use Scenario: Local display interface with touchscreen, button inputs, and serial communication to main controller. IC Role / Device Role / Timing Role: Dedicated UI processor handling graphics rendering, touch decoding, and local event response. Use Value: 32 KB SRAM supports frame buffer for 320×240 displays; GPIO commit registers prevent visual glitches during screen transitions; hibernation mode extends battery life in portable HMIs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C123GH6PM | Higher Flash (256 KB vs. same), but adds Ethernet MAC and PHY; larger LQFP-144 package; no USB OTG in base configuration. | Targeted at networked industrial controllers-not suitable for USB-centric designs or space-constrained PCBs. | Select only if Ethernet connectivity is required and board layout accommodates 144-pin footprint. |
| STM32F407VGT6 | Same Cortex-M4F core, 168 MHz max, 1 MB Flash, 192 KB RAM; lacks integrated USB PHY and hibernation module; requires external USB transceiver. | Better for compute-intensive applications (e.g., audio processing); less optimal for low-power USB sensor hubs due to higher active current and missing RTC-backed sleep. | Choose when raw processing throughput outweighs USB integration and ultra-low-power sleep needs. |
Compared with TM4C1233H6PMI, TM4C123GH6PM offers Ethernet at the cost of USB OTG and pin count, while STM32F407VGT6 trades integrated USB and hibernation for higher clock speed and memory-making TM4C1233H6PMI optimal for compact, USB-connected, battery-aware edge nodes.
Availability
TM4C1233H6PMI is available at Aetrix Electronics and suitable for industrial motor control, USB sensor gateways, smart lighting systems, and embedded HMI panels requiring stable component supply, long-term lifecycle assurance, and qualified industrial-grade operation.
Supply support for TM4C1233H6PMI 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 automotive, industrial, and consumer design expertise.
The Tiva C Series, including TM4C1233H6PMI, was engineered for cost-sensitive, real-time embedded applications demanding USB connectivity, analog integration, and low-power operation-targeting industrial automation, building controls, and portable instrumentation.
FAQ
What is the maximum operating frequency of the TM4C1233H6PMI?
The TM4C1233H6PMI operates at a maximum system clock frequency of 80 MHz, achieved via its internal PLL with external crystal or oscillator input. This frequency is fully supported across all on-chip peripherals-including USB, ADC, and PWM-with zero-wait-state execution from Flash memory. The TM4C1233H6PMI maintains timing compliance under industrial temperature conditions (–40°C to +85°C) without derating.
Does the TM4C1233H6PMI include an integrated USB physical layer?
Yes, the TM4C1233H6PMI integrates a full-speed USB 2.0 OTG physical layer (PHY) compliant with USB specification revision 2.0. It supports both host and device modes without external transceivers, and includes dedicated VBUS sensing, ID pin detection, and on-chip termination resistors. The TM4C1233H6PMI USB controller is accessible via standard USB device class drivers on Windows, Linux, and macOS.
What debug interfaces does the TM4C1233H6PMI support?
The TM4C1233H6PMI supports both JTAG and ARM Serial Wire Debug (SWD) interfaces through dedicated pins (TCK, TMS, TDI, TDO, nTRST, SWDIO, SWCLK). It includes a built-in debug ROM and NVIC-integrated breakpoint/watchpoint logic, enabling full source-level debugging with TI's Code Composer Studio or third-party tools like Segger J-Link. The TM4C1233H6PMI also supports SWO trace output for real-time instruction and data tracing.
How much EEPROM is available on the TM4C1233H6PMI?
The TM4C1233H6PMI includes 2 KB of on-chip EEPROM memory, organized as 1024 × 16-bit words, accessible via standard APB bus interface. It supports byte/word erase and write operations with typical endurance of 100,000 cycles and data retention exceeding 20 years at 85°C. The TM4C1233H6PMI EEPROM is commonly used for storing calibration data, device IDs, or configuration parameters that must survive power loss.
Is the TM4C1233H6PMI pin-compatible with other Tiva C Series MCUs?
No, the TM4C1233H6PMI is not pin-compatible with other Tiva C Series MCUs such as TM4C123GH6PM or TM4C1294NCPDT. It uses a unique LQFP-64 footprint optimized for USB-centric applications, whereas higher-pin-count variants use LQFP-144 or BGA packages. Pin mappings, peripheral assignments, and power domain routing differ significantly-migration requires PCB redesign and firmware adaptation.
TM4C1233H6PMI 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, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C1233H6PMI FAQ
1.How can I place an order for TM4C1233H6PMI through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1233H6PMI 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 TM4C1233H6PMI reliable?
The price and inventory of TM4C1233H6PMI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1233H6PMI is usually 5 days.
3.What payment methods are accepted for TM4C1233H6PMI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1233H6PMI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1233H6PMI?
TM4C1233H6PMI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1233H6PMI 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 TM4C1233H6PMI?
For technical support, including TM4C1233H6PMI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1233H6PMI requirements.
6.How does Aetrix verify that TM4C1233H6PMI is sourced from the original manufacturer or authorized distributors?
All TM4C1233H6PMI 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 TM4C1233H6PMI meets industry standards.
7.What is the process for return or replacement of TM4C1233H6PMI?
All TM4C1233H6PMI units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1233H6PMI, 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 TM4C1233H6PMI part is unused and in its original packaging.
Return procedure for TM4C1233H6PMI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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