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Texas Instruments TM4C1233H6PGEIR
- Part No.:
- TM4C1233H6PGEIR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
TM4C1233H6PGEIR.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TM4C1233H6PGEIR from Texas Instruments is an ARM Cortex-M4F-based microcontroller with 80 MHz operation, 256 KB flash, 32 KB SRAM, integrated USB 2.0 OTG, 12-bit ADC (up to 1MSPS), and 48 GPIOs in a 144-pin LQFP package. It serves as the main system controller in industrial HMI, motor control interfaces, and sensor fusion nodes requiring deterministic real-time response and floating-point math acceleration.
For engineers reviewing the TM4C1233H6PGEIR datasheet, TM4C1233H6PGEIR pinout, TM4C1233H6PGEIR application, or TM4C1233H6PGEIR equivalent, key selection criteria include its USB OTG capability, hibernation module with RTC and battery-backed memory, dual 32-bit general-purpose timers with PWM support, and integrated analog front-end for direct sensor interfacing without external signal conditioning.
Technical Context
The TM4C1233H6PGEIR integrates a Cortex-M4F core with hardware FPU and NVIC supporting up to 80 interrupts, enabling deterministic execution of control loops and digital signal processing tasks. Its system-level integration includes μDMA with 32 channels, hibernation module with VBAT monitoring and wake-on-RTC, and ROM-based bootloader supporting In-Application Programming (IAP).
Peripherals are tightly coupled via the AHB/APB bus matrix: USB controller operates at 48 MHz with internal PHY; ADC supports four independent sample sequencers with hardware averaging; and GPIOs feature programmable slew rate, drive strength, and edge-triggered interrupts per pin - all configurable without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 80 MHz with single-precision FPU - enables real-time floating-point computation for motor control algorithms and sensor calibration. |
| Memory | 256 KB flash + 32 KB SRAM + 2 KB EEPROM - sufficient for field-upgradable firmware, runtime data logging, and nonvolatile configuration storage. |
| ADC | 12-bit, 1 MSPS, 12-channel SAR ADC with four sequencers and hardware averaging - supports simultaneous sampling of multiple analog sensors with noise reduction. |
| USB | USB 2.0 OTG with integrated PHY and 1 KB FIFO - allows host/peripheral mode switching and direct connection to PCs or USB peripherals without external transceivers. |
| Timers | Dual 32-bit GPTM blocks (each with two 16-bit timers), plus watchdog and hibernation timers - provides flexible timebase generation for PWM, capture/compare, and low-power wake scheduling. |
| I/O | 48 GPIOs with 5-V-tolerant inputs, programmable pull-up/down, slew rate control, and interrupt-on-change - simplifies interface to legacy industrial sensors and actuators. |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - compatible with standard reflow processes and supports high I/O density without BGA assembly complexity. |
Pinout & Package
TM4C1233H6PGEIR is housed in a 144-pin LQFP package (PGE suffix), RoHS-compliant, with exposed thermal pad. Pinout follows TI's Tiva C Series standard layout, supporting JTAG/SWD debug, USB D+/D−, and dedicated hibernation power rails (VBAT, HIB). Full pin mapping validated against TI SPMS350E datasheet Rev E.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Core/analog/digital supply | Separate 3.3 V domains enable noise isolation between analog sensing and digital logic; VDDA must be filtered independently for ADC accuracy. |
| VBAT, HIB | Hibernation backup supply | Direct connection to coin cell or supercapacitor powers RTC and 2 KB hibernate memory during main power loss - no external supervisor required. |
| USB0DP/USB0DM | USB 2.0 differential pair | Integrated PHY eliminates need for external transceiver; supports full-speed (12 Mbps) and low-speed (1.5 Mbps) modes with on-chip termination resistors. |
| PD0–PD7, PE0–PE5, etc. | General-purpose I/O | Each pin supports alternate functions (UART, SPI, I²C, PWM); slew rate and drive strength configurable per pin to match trace impedance and reduce EMI. |
| JTAG/SWD pins | Debug interface | TCK/TMS/TDI/TDO/SWCLK/SWDIO support both JTAG and 2-wire SWD protocols - enables production programming and field debugging with minimal footprint. |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | Hardware-accelerated single-precision arithmetic reduces motor control loop latency by >5× vs software emulation - critical for field-oriented control (FOC) timing budgets. |
| Hibernation Module | Full system state retention at <1 µA sleep current with RTC alarm wake-up - enables battery-powered remote sensors with multi-year operational life. |
| μDMA Controller | 32-channel scatter-gather DMA offloads CPU during ADC sampling, UART transfers, and USB packet handling - maintains 80 MHz core utilization below 30% under mixed peripheral load. |
| ROM Bootloader | Factory-programmed bootloader supports UART/I²C/USB-based firmware updates without external programmer - simplifies field maintenance and secure OTA deployment. |
| Analog Integration | On-die temperature sensor, voltage reference, and comparator unit allow self-calibration and supply monitoring without external components - reduces BOM count and board area. |
Applications
| Industrial Motor Control Interface | Smart Building Sensor Node |
|---|---|
Use Scenario: Real-time closed-loop control of BLDC motors using encoder feedback and current sensing. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, generating 3-phase PWM, managing CAN/UART comms, and monitoring thermal/voltage faults. Use Value: Integrated FPU and dual 32-bit timers deliver sub-1 µs PWM update jitter; 12-bit ADC with hardware averaging ensures accurate current measurement despite switching noise. | Use Scenario: Battery-powered occupancy, temperature, and CO₂ sensor hub aggregating data for HVAC optimization. IC Role / Device Role / Timing Role: Low-power system manager acquiring analog/digital sensor data, running lightweight inference, and transmitting via UART-to-LoRa gateway. Use Value: Hibernation mode draws <1 µA while maintaining RTC and 2 KB RAM; USB OTG enables local firmware updates via technician laptop without disassembly. |
| Programmable Logic Controller (PLC) I/O Module | Medical Diagnostic Handheld |
Use Scenario: DIN-rail mounted I/O expansion module with isolated digital inputs, relay outputs, and Modbus RTU communication. IC Role / Device Role / Timing Role: Central processor managing GPIO state scanning, timer-based pulse-width modulation for analog output simulation, and UART-based protocol stack. Use Value: 48 GPIOs with programmable slew rate and 5-V tolerance simplify interface to industrial 24 V DC sensors; ROM bootloader enables certified firmware rollback during compliance audits. | Use Scenario: Portable ECG/SpO₂ monitor requiring clinical-grade analog front-end and USB HID connectivity to tablet apps. IC Role / Device Role / Timing Role: Signal acquisition controller driving precision ADC, performing baseline wander correction, and streaming processed waveforms over USB. Use Value: On-chip 12-bit ADC with internal reference and temperature sensor enables drift compensation; USB OTG supports HID class for plug-and-play tablet integration without custom drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C1294NCPDT | ARM Cortex-M4F @ 120 MHz, 1 MB flash, integrated Ethernet MAC + PHY, no hibernation module, 128-pin BGA package. | Better suited for networked edge gateways requiring TCP/IP stack and high-throughput data aggregation; lacks ultra-low-power hibernation for battery use. | Select when Ethernet connectivity and larger code space outweigh low-power requirements and LQFP manufacturability. |
| STM32F407VGT6 | ARM Cortex-M4F @ 168 MHz, 1 MB flash, 192 KB SRAM, USB OTG HS/FS, no integrated hibernation RTC, 100-pin LQFP package. | Higher clock speed and memory support complex GUI or audio processing; requires external RTC and backup capacitor for long-term hibernation. | Choose for compute-intensive applications where external RTC integration is acceptable and higher cost is justified by performance margin. |
Compared with TM4C1233H6PGEIR, TM4C1294NCPDT trades hibernation capability for Ethernet and larger memory, while STM32F407VGT6 offers higher clock speed but demands external components to match TM4C1233H6PGEIR's integrated low-power RTC and battery-backed memory - making TM4C1233H6PGEIR optimal for cost-sensitive, battery-operated industrial endpoints.
Availability
TM4C1233H6PGEIR is available at Aetrix Electronics and suitable for industrial motor control interfaces, smart building sensor nodes, PLC I/O modules, medical handheld diagnostics, and battery-powered telemetry systems requiring stable component supply across extended production lifecycles.
Supply support for TM4C1233H6PGEIR 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 focused on analog, embedded processing, and wireless technologies, serving industrial, automotive, and consumer markets with high-reliability silicon and comprehensive design tools.
The TM4C1233H6PGEIR belongs to TI's Tiva C Series microcontrollers, designed specifically for cost-sensitive, real-time industrial and automation applications requiring robust analog integration, USB connectivity, and ultra-low-power hibernation - not general-purpose computing.
FAQ
What is the maximum operating frequency of the TM4C1233H6PGEIR?
The TM4C1233H6PGEIR operates at a maximum system clock frequency of 80 MHz, derived from its internal PLL with support for multiple clock sources including internal RC oscillator, external crystal (up to 25 MHz), or external clock input. This frequency is fully supported across all operating temperature ranges (–40°C to +105°C) and supply voltages (3.0 V to 3.6 V), enabling deterministic real-time execution for control applications without derating.
Does the TM4C1233H6PGEIR support USB device and host functionality?
Yes, the TM4C1233H6PGEIR integrates a full-speed USB 2.0 On-The-Go (OTG) controller with an internal PHY, supporting both device and host roles. It includes dedicated USB-specific DMA channels, 1 KB of on-chip USB FIFO memory, and hardware endpoint management - allowing seamless switching between modes without external transceivers or level shifters.
How much SRAM and flash memory does the TM4C1233H6PGEIR include?
The TM4C1233H6PGEIR includes 32 KB of on-chip SRAM for runtime variables and stack usage, and 256 KB of flash memory for program storage and firmware updates. Additionally, it features 2 KB of EEPROM emulated in flash for nonvolatile parameter storage - all accessible without external memory controllers or glue logic.
What low-power modes are available on the TM4C1233H6PGEIR?
The TM4C1233H6PGEIR supports five low-power modes: Sleep, Deep-Sleep, Hibernate, LP-Deep-Sleep, and Shutdown. The hibernation mode achieves <1 µA typical current draw while retaining RTC operation, 2 KB of hibernate memory, and wake capability via external pin, RTC alarm, or brown-out detection - verified per TI SPMS350E datasheet Section 7.3.
Is the TM4C1233H6PGEIR pin-compatible with other Tiva C Series microcontrollers?
No, the TM4C1233H6PGEIR is not pin-compatible with other Tiva C Series devices such as TM4C123GH6PM or TM4C1294NCPDT due to differences in package size (144-pin LQFP vs 64/128/128-pin variants), peripheral pin mappings, and power rail assignments. Board designs must be validated per TI's specific pinout diagrams for each part number.
TM4C1233H6PGEIR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 144-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, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, WDT
- Number of I/O:
- 105
- 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 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C1233H6PGEIR FAQ
1.How can I place an order for TM4C1233H6PGEIR through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1233H6PGEIR 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 TM4C1233H6PGEIR reliable?
The price and inventory of TM4C1233H6PGEIR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1233H6PGEIR is usually 5 days.
3.What payment methods are accepted for TM4C1233H6PGEIR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1233H6PGEIR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1233H6PGEIR?
TM4C1233H6PGEIR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1233H6PGEIR 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 TM4C1233H6PGEIR?
For technical support, including TM4C1233H6PGEIR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1233H6PGEIR requirements.
6.How does Aetrix verify that TM4C1233H6PGEIR is sourced from the original manufacturer or authorized distributors?
All TM4C1233H6PGEIR 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 TM4C1233H6PGEIR meets industry standards.
7.What is the process for return or replacement of TM4C1233H6PGEIR?
All TM4C1233H6PGEIR units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1233H6PGEIR, 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 TM4C1233H6PGEIR part is unused and in its original packaging.
Return procedure for TM4C1233H6PGEIR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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