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Texas Instruments TM4C1233E6PZI
- Part No.:
- TM4C1233E6PZI
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
TM4C1233E6PZI.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,575
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Product details
Overview
TM4C1233E6PZI 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, 12-bit ADC (up to 1MSPS), and 48 GPIOs in a 100-pin LQFP package. It serves as a main system controller in industrial HMI, motor control edge nodes, and low-power sensor gateways.
For engineers reviewing the TM4C1233E6PZI datasheet, TM4C1233E6PZI pinout, TM4C1233E6PZI application, or TM4C1233E6PZI equivalent, key selection criteria include its USB device capability, hibernation module with RTC and battery-backed memory, deterministic FPU performance for real-time control math, and support for TivaWare™ peripheral driver library.
Technical Context
The TM4C1233E6PZI integrates a single-core ARM Cortex-M4F processor with hardware floating-point unit and NVIC supporting up to 80 interrupts. Its system-level integration includes a hibernation module with dedicated 256-byte battery-backed RAM, real-time clock, and VDD3ON power mode for sub-µA wake-up latency.
Peripherals include four UARTs (one with ISO 7816 and SIR support), two I²C modules, two SPI controllers, one QEI, eight 16-bit GPTMs (with PWM and capture), and a 12-channel μDMA controller with channel arbitration and peripheral-to-memory transfer capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 80 MHz - enables deterministic floating-point math for motor control and sensor fusion without software emulation. |
| Memory | 256 KB Flash + 32 KB SRAM + 2 KB EEPROM - supports firmware updates, runtime data logging, and parameter storage without external components. |
| ADC | 12-bit, 1 MSPS, 12-channel - delivers high-resolution analog sensing for closed-loop feedback in industrial actuators and power supplies. |
| USB | USB 2.0 Device Controller (Full-Speed) - enables direct PC connectivity for configuration, diagnostics, and firmware download via standard USB cable. |
| Hibernation | Dedicated hibernation module with RTC, battery-backed 256-byte RAM, and VDD3ON mode - achieves <1.5 µA sleep current with fast wake-up (<1 µs) for battery-powered IoT endpoints. |
| Timers | Eight 16-bit General-Purpose Timers (GPTMs), configurable as 16-bit pairs or 32-bit units - supports PWM generation, quadrature decoding, input capture, and real-time clock functions. |
| I/O | 48 GPIOs with programmable slew rate, drive strength, and interrupt-on-change - allows flexible interface to sensors, displays, buttons, and discrete logic in space-constrained designs. |
Pinout & Package
TM4C1233E6PZI is housed in a 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow TI's standard Tiva C Series pin mapping for consistent board layout across the TM4C123x family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply inputs | Separate digital (VDD), analog (VDDA), and core (VDDC) rails enable noise isolation for precision ADC and stable CPU operation. |
| GND, GNDA, GNDC | Ground returns | Dedicated analog (GNDA) and core (GNDC) grounds minimize coupling between sensitive analog circuits and switching digital domains. |
| USB0VBUS, USB0ID, USB0DM, USB0DP | USB 2.0 Full-Speed interface | Integrated transceiver eliminates external PHY; USB0ID enables OTG host/device detection in dual-role applications. |
| HIB, RTCCLK, HIBRST | Hibernation module control | HIB pin enables hardware-controlled entry into hibernate mode; RTCCLK accepts external 32.768 kHz crystal for accurate timekeeping during sleep. |
| PD0–PD7, PE0–PE5, PF0–PF4 | GPIO bank terminals | Configurable as digital I/O, timer/UART/I²C peripherals, or NMI/WAKE pins - supports multiplexed functionality per pin with commit register locking. |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | Hardware-accelerated IEEE 754 single-precision arithmetic reduces motor control loop execution time by >8× vs. software emulation. |
| Hibernation Module | Sub-µA sleep current with RTC, battery-backed RAM, and wake-on-external-interrupt ensures multi-year battery life in remote monitoring nodes. |
| TivaWare™ Peripheral Driver Library | Production-ready, MIT-licensed C APIs simplify initialization and control of all on-chip peripherals - cuts firmware development time by ~40% vs. bare-metal register coding. |
| μDMA Controller | 12-channel, scatter-gather capable DMA offloads CPU from high-bandwidth transfers (e.g., ADC→SRAM, UART→buffer), freeing cycles for real-time tasks. |
| Programmable GPIO | Individual pin commit control prevents accidental reconfiguration; slew rate and drive strength settings reduce EMI and improve signal integrity on long traces. |
Applications
| Industrial HMI Panel | Motor Control Edge Node |
|---|---|
Use Scenario: Standalone touch-enabled display panel for machine status monitoring and local parameter adjustment in factory automation. IC Role / Device Role / Timing Role: Main application processor managing display refresh, touch response, serial communication with PLC, and local data buffering. Use Value: Integrated USB device enables plug-and-play PC configuration; 48 GPIOs support resistive touch overlay and LED indicators without external expanders. |
Use Scenario: Compact BLDC motor driver with hall-effect feedback, current sensing, and field-oriented control (FOC) execution at 20 kHz PWM frequency. IC Role / Device Role / Timing Role: Real-time control MCU executing FOC algorithm, generating complementary PWM outputs, and sampling phase currents via ADC. Use Value: Hardware FPU accelerates Clarke/Park transforms; 80 MHz clock and deterministic interrupt latency ensure precise timing alignment between PWM update and current sampling. |
| Battery-Powered Sensor Gateway | Smart Power Supply Monitor |
Use Scenario: LoRaWAN-connected environmental sensor node measuring temperature, humidity, and air quality, operating from coin-cell battery for >5 years. IC Role / Device Role / Timing Role: System manager handling sensor polling, data preprocessing, low-power radio interface, and secure boot verification. Use Value: Hibernate mode draws <1.5 µA while maintaining RTC and 256-byte context; wake-on-sensor-interrupt eliminates polling overhead and extends battery life. |
Use Scenario: DIN-rail mounted AC/DC power supply with digital supervision, fault logging, and remote firmware update capability. IC Role / Device Role / Timing Role: Supervisory controller monitoring output voltage/current, detecting overtemp/overload, and communicating alarms via UART to SCADA system. Use Value: Dual 12-bit ADCs sample both voltage and current simultaneously; EEPROM stores calibration coefficients and event logs across power cycles without external memory. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C123GH6PGE | 128 KB Flash, 256 KB SRAM, 64-pin LQFP, no USB device controller | Lacks integrated USB; better suited for cost-sensitive, non-PC-connected embedded control where larger SRAM is needed for buffers or stacks. | Select when USB connectivity is unnecessary and higher RAM capacity justifies smaller pin count and reduced peripheral set. |
| STM32F401CEU6 | ARM Cortex-M4F @ 84 MHz, 512 KB Flash, 96 KB SRAM, USB 2.0 FS device, but no hibernation module or battery-backed RAM | No hardware RTC+hibernation subsystem; requires external RTC and backup capacitor for low-power timekeeping. | Choose when higher Flash/RAM and broader ecosystem support outweigh need for ultra-low-power hibernation with integrated RTC. |
Compared with TM4C123GH6PGE and STM32F401CEU6, the TM4C1233E6PZI uniquely combines USB device capability, hibernation with battery-backed RAM, and production-proven TivaWare support - making it optimal for USB-configurable, battery-operated edge devices requiring reliable low-power timekeeping.
Availability
TM4C1233E6PZI is available at Aetrix Electronics and suitable for industrial HMI, motor control edge nodes, and battery-powered sensor gateways requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for TM4C1233E6PZI 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 since 1930.
The TM4C1233E6PZI belongs to TI's Tiva™ C Series microcontroller line, designed specifically for cost-sensitive, low-power, real-time embedded applications requiring USB connectivity, analog integration, and robust firmware development tooling.
FAQ
What is the maximum operating frequency of the TM4C1233E6PZI?
The TM4C1233E6PZI operates at a maximum system clock frequency of 80 MHz, derived from its internal PLL that can be configured to multiply an external crystal or internal oscillator. This speed is fully supported across all on-chip peripherals including ADC, timers, and USB, enabling deterministic real-time performance for control loops and data acquisition tasks.
Does the TM4C1233E6PZI support USB device functionality out of the box?
Yes, the TM4C1233E6PZI includes a fully integrated USB 2.0 Full-Speed device controller with internal transceiver, eliminating the need for external PHY components. It supports standard USB classes including CDC (virtual COM port), HID, and MSC, and is compatible with TI's USB stack in TivaWare™ for rapid implementation of PC communication and firmware updates.
What low-power modes does the TM4C1233E6PZI offer, and what is its lowest sleep current?
The TM4C1233E6PZI provides multiple low-power modes, with hibernate mode achieving less than 1.5 µA typical current draw when using the internal hibernation module with RTC enabled and battery-backed RAM retained. Wake-up latency from hibernate is under 1 µs, and the device supports wake events from GPIO, RTC match, or external interrupt sources without requiring full system reset.
How much on-chip memory does the TM4C1233E6PZI have, and is EEPROM included?
The TM4C1233E6PZI integrates 256 KB of on-chip Flash memory for program storage, 32 KB of SRAM for runtime variables and stack, and 2 KB of electrically erasable programmable read-only memory (EEPROM). The EEPROM is accessed via standard peripheral registers and supports byte-level writes with built-in wear leveling, enabling reliable non-volatile storage of calibration data and user settings.
Is the TM4C1233E6PZI pin-compatible with other TM4C123x series microcontrollers?
The TM4C1233E6PZI uses a 100-pin LQFP package with a pinout aligned to the TM4C123x family's common footprint, enabling layout reuse across variants such as TM4C123GH6PGE (64-pin) and TM4C123BE6PZ (100-pin with different peripheral mix). However, not all signals are functionally identical across variants - always verify peripheral mapping and power domain connections before substitution.
TM4C1233E6PZI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-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:
- 69
- Program Memory Size:
- 128KB (128K 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 22x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C1233E6PZI FAQ
1.How can I place an order for TM4C1233E6PZI through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1233E6PZI 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 TM4C1233E6PZI reliable?
The price and inventory of TM4C1233E6PZI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1233E6PZI is usually 5 days.
3.What payment methods are accepted for TM4C1233E6PZI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1233E6PZI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1233E6PZI?
TM4C1233E6PZI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1233E6PZI 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 TM4C1233E6PZI?
For technical support, including TM4C1233E6PZI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1233E6PZI requirements.
6.How does Aetrix verify that TM4C1233E6PZI is sourced from the original manufacturer or authorized distributors?
All TM4C1233E6PZI 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 TM4C1233E6PZI meets industry standards.
7.What is the process for return or replacement of TM4C1233E6PZI?
All TM4C1233E6PZI units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1233E6PZI, 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 TM4C1233E6PZI part is unused and in its original packaging.
Return procedure for TM4C1233E6PZI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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