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Texas Instruments TM4C1233E6PMI
- Part No.:
- TM4C1233E6PMI
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
TM4C1233E6PMI.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:132
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Product details
Overview
TM4C1233E6PMI 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 (1 MSPS, 12 channels), and 48 GPIOs in a 64-pin LQFP package. It serves as a main system controller in industrial sensor nodes requiring real-time analog acquisition, USB connectivity, and deterministic control.
For engineers reviewing the TM4C1233E6PMI datasheet, TM4C1233E6PMI pinout, TM4C1233E6PMI application, or TM4C1233E6PMI equivalent, key selection criteria include its integrated USB PHY, hibernation module with RTC and battery-backed memory, dual PWM generators, and support for TivaWare™ software stack in resource-constrained embedded designs.
Technical Context
The TM4C1233E6PMI integrates a single-core ARM Cortex-M4F with hardware floating-point unit (FPU), enabling deterministic execution of signal processing algorithms. Its memory subsystem includes 256 KB on-chip Flash with ECC protection, 32 KB SRAM, and 2 KB EEPROM for nonvolatile data storage.
Peripherals include one USB 2.0 OTG controller with integrated PHY, two 16/32-bit general-purpose timers (each with two 16-bit sub-timers), a hibernation module with RTC and VBAT backup, and a 12-bit ADC with up to 1 MSPS sampling rate across 12 input channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 80 MHz with FPU - enables real-time floating-point math without software emulation overhead |
| Flash Memory | 256 KB with ECC - supports robust firmware storage and field updates with error detection |
| SRAM | 32 KB - sufficient for RTOS stacks, USB endpoint buffers, and sensor data buffering |
| ADC | 12-bit, 1 MSPS, 12-channel - delivers high-resolution analog sensing at industrial sampling rates |
| USB Interface | USB 2.0 OTG with integrated PHY - eliminates need for external transceiver in host/peripheral applications |
| Hibernation Module | RTC + battery-backed RAM + VBAT monitoring - enables sub-µA sleep with timekeeping and state retention |
| GPIO Count | 48 configurable I/O pins - supports mixed digital/analog peripheral interfacing and LED/control signaling |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply inputs | Digital core (VDD), analog (VDDA), and USB PHY (VDDC) rails require independent decoupling for noise isolation |
| GND, GNDA | Ground returns | Analog/digital ground separation preserves ADC accuracy and reduces coupling into sensitive circuits |
| USB0VBUS, USB0ID | USB OTG detection | Enables automatic host/peripheral role negotiation without external level-shifting circuitry |
| SSI0CLK, SSI0FSS, SSI0RX, SSI0TX | SPI interface signals | Hardware SPI master/slave support for sensors, displays, and flash memory with DMA offload capability |
| U0RX, U0TX, U1RX, U1TX | UART transmit/receive | Dual UARTs allow simultaneous debug console (U0) and device-to-device communication (U1) |
| PH0, PH1, PH2, PH3 | ADC input channels | Dedicated analog-capable pins with programmable gain and sample-and-hold timing control |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB 2.0 OTG PHY | Reduces BOM count by eliminating external transceiver; supports CDC, HID, and mass storage class implementations |
| Hibernation module with RTC | Enables <1 µA deep-sleep current with wake-on-RTC alarm or external interrupt - critical for battery-powered edge nodes |
| μDMA controller (32-channel) | Offloads CPU from data movement tasks - e.g., streaming ADC samples to SRAM or USB FIFOs without CPU intervention |
| TivaWare™ Peripheral Driver Library | Provides production-ready, tested drivers for all peripherals - accelerates development and ensures register-level correctness |
| ROM-based bootloader | Supports in-field firmware updates via UART, USB, or I²C without external programmer - simplifies maintenance and security patching |
Applications
| Industrial Sensor Node | USB Human Interface Device |
|---|---|
Use Scenario: Compact environmental monitor collecting temperature, humidity, and pressure data with local logging and USB upload. IC Role / Device Role / Timing Role: Main system controller executing sensor fusion, managing USB bulk transfers, and maintaining RTC-synchronized timestamps. Use Value: Integrated ADC, USB PHY, and hibernation enable full functionality in a single chip with minimal external components and ultra-low power during idle periods. | Use Scenario: Programmable keyboard or industrial control panel with tactile feedback and status LEDs. IC Role / Device Role / Timing Role: HID-class USB device controller handling key matrix scanning, LED PWM dimming, and report generation at 125 Hz polling rate. Use Value: Dual PWM modules drive multiple LEDs independently; USB OTG supports plug-and-play enumeration without driver installation on Windows/Linux hosts. |
| Programmable Logic Controller (PLC) I/O Module | Smart Meter Communication Hub |
Use Scenario: DIN-rail mounted I/O expansion module with digital inputs, relay outputs, and Modbus RTU over UART. IC Role / Device Role / Timing Role: Real-time I/O coordinator with deterministic GPIO toggle timing and UART-based protocol stack execution. Use Value: 48 GPIOs support direct connection to optocouplers and solid-state relays; μDMA enables zero-CPU-overhead UART frame assembly for Modbus CRC calculation. | Use Scenario: AMI meter gateway aggregating data from sub-meters via RS-485 and transmitting to utility head-end via USB-connected cellular modem. IC Role / Device Role / Timing Role: Protocol bridge between legacy serial interfaces and USB host port, with secure firmware update capability. Use Value: ROM bootloader allows signed firmware updates via USB; internal EEPROM stores meter configuration and tamper logs with write endurance >100k cycles. |
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. 256 KB), same RAM, adds CAN controller and Ethernet MAC interface | Required for CAN bus integration or wired Ethernet connectivity - not needed for USB-only or isolated sensor node use | Select TM4C123GH6PM only if CAN or Ethernet is mandatory; otherwise TM4C1233E6PMI offers lower cost and identical USB/ADC/GPIO capability |
| STM32F401CEU6 | ARM Cortex-M4F @ 84 MHz, 512 KB Flash, 96 KB SRAM, no integrated USB PHY (requires external transceiver) | Requires additional USB PHY IC and layout complexity; better suited for high-memory applications needing extended code space | Choose STM32F401CEU6 when larger Flash/SRAM is required and external USB PHY is acceptable; TM4C1233E6PMI reduces component count and design risk for USB-centric designs |
Compared with TM4C123GH6PM and STM32F401CEU6, the TM4C1233E6PMI provides optimal balance of USB integration, analog performance, and low-power hibernation - making it ideal for compact, cost-sensitive, USB-connected sensor and control applications where CAN or extra memory is unnecessary.
Availability
TM4C1233E6PMI is available at Aetrix Electronics and suitable for industrial sensor nodes, USB human interface devices, PLC I/O modules, and smart meter communication hubs requiring stable component supply and long-term manufacturability.
Supply support for TM4C1233E6PMI 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, delivering analog and embedded processing solutions for industrial, automotive, and consumer markets since 1930.
The Tiva™ C Series was designed specifically for cost-sensitive, real-time embedded applications requiring rich analog integration, USB connectivity, and low-power operation - targeting industrial automation, building control, and portable instrumentation.
FAQ
What is the maximum operating frequency of the TM4C1233E6PMI?
The TM4C1233E6PMI operates at a maximum system clock frequency of 80 MHz, derived from its internal PLL that accepts input from the precision internal oscillator (PIOSC) or external crystal. This frequency is fully supported across all voltage and temperature ranges specified in the datasheet, enabling deterministic real-time execution of control loops and communication protocols without overclocking risks.
Does the TM4C1233E6PMI include an integrated USB physical layer (PHY)?
Yes, the TM4C1233E6PMI integrates a full-speed USB 2.0 OTG PHY compliant with the USB specification. This eliminates the need for an external transceiver IC, reducing bill-of-materials cost and PCB area. The PHY supports both host and device modes and is directly accessible through the USB0 controller registers in the TM4C1233E6PMI memory map.
What analog features does the TM4C1233E6PMI provide?
The TM4C1233E6PMI includes a 12-bit successive-approximation ADC with up to 1 MSPS sampling rate across 12 input channels, hardware sample averaging (up to 64x), and an internal temperature sensor. It also supports differential input mode and digital comparators for threshold-triggered interrupts - all usable without external signal conditioning in most industrial sensing applications.
Is there a ROM-based bootloader in the TM4C1233E6PMI?
Yes, the TM4C1233E6PMI contains a factory-programmed ROM bootloader that supports firmware updates via UART, USB, I²C, and SWD interfaces. This bootloader enables field upgrades without requiring JTAG debug hardware and supports secure boot verification when configured with appropriate flash protection settings in the TM4C1233E6PMI.
What is the hibernation current consumption of the TM4C1233E6PMI?
The TM4C1233E6PMI achieves typical hibernation current of 1.7 µA when the hibernation module is active with RTC running and VBAT powered. This value is measured under industrial temperature conditions with all clocks gated and SRAM retention disabled - enabling multi-year battery life in energy-harvesting or coin-cell-powered applications using the TM4C1233E6PMI.
TM4C1233E6PMI 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:
- 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 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C1233E6PMI FAQ
1.How can I place an order for TM4C1233E6PMI through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1233E6PMI 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 TM4C1233E6PMI reliable?
The price and inventory of TM4C1233E6PMI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1233E6PMI is usually 5 days.
3.What payment methods are accepted for TM4C1233E6PMI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1233E6PMI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1233E6PMI?
TM4C1233E6PMI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1233E6PMI 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 TM4C1233E6PMI?
For technical support, including TM4C1233E6PMI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1233E6PMI requirements.
6.How does Aetrix verify that TM4C1233E6PMI is sourced from the original manufacturer or authorized distributors?
All TM4C1233E6PMI 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 TM4C1233E6PMI meets industry standards.
7.What is the process for return or replacement of TM4C1233E6PMI?
All TM4C1233E6PMI units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1233E6PMI, 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 TM4C1233E6PMI part is unused and in its original packaging.
Return procedure for TM4C1233E6PMI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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