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Texas Instruments TM4C1230C3PMI
- Part No.:
- TM4C1230C3PMI
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
TM4C1230C3PMI.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:112
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Product details
Overview
TM4C1230C3PMI from Texas Instruments is an ARM Cortex-M4F-based microcontroller with 80 MHz operation, 32 KB Flash, 8 KB SRAM, integrated ADC (12-bit, 1MSPS), and multiple serial interfaces including UART, I²C, and SSI. It serves as a main system controller in industrial sensor nodes requiring real-time analog acquisition and deterministic communication.
For engineers reviewing the TM4C1230C3PMI datasheet, TM4C1230C3PMI pinout, TM4C1230C3PMI application, or TM4C1230C3PMI equivalent, key selection factors include its 80 MHz CPU clock, on-chip ROM bootloader, 12-bit ADC with hardware averaging, JTAG/SW-DP debug interface, and QFP-64 package compatibility with Tiva C Series development ecosystems.
Technical Context
The TM4C1230C3PMI integrates an ARM Cortex-M4F core with single-precision floating-point unit (FPU), supporting DSP instructions and IEEE 754-compliant arithmetic. Its memory subsystem includes 32 KB of on-chip Flash with 128-bit wide access and 8 KB of SRAM with zero-wait-state operation at full speed.
Peripheral integration follows TI's Tiva C Series architecture: μDMA controller with 32-channel support, four 32/64-bit general-purpose timers, one watchdog timer, and dual 12-bit ADC modules with up to eight sample sequencers - all accessible via APB bus with configurable clock gating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F with FPU, enabling real-time floating-point math for motor control or sensor fusion without external coprocessor. |
| Max Clock Speed | 80 MHz - delivers 100+ DMIPS performance suitable for deterministic real-time tasks like closed-loop control. |
| Flash Memory | 32 KB - sufficient for firmware with bootloader, USB stack, and application logic; supports in-application programming (IAP). |
| SRAM | 8 KB - enables fast data buffering for ADC sampling, UART FIFO handling, and interrupt service routine context storage. |
| ADC Resolution & Rate | 12-bit, 1 MSPS - supports high-fidelity analog input capture from temperature, pressure, or current sensors with hardware averaging. |
| Package | 64-pin LQFP (10 mm × 10 mm) - compatible with standard PCB assembly processes and TI evaluation boards like EK-TM4C123GXL. |
| Debug Interface | JTAG + SW-DP - allows full-speed debugging, flash programming, and trace via standard ARM-compliant tools (e.g., CMSIS-DAP, XDS100v3). |
Pinout & Package
TM4C1230C3PMI is housed in a 64-pin LQFP (Leadless Quad Flat Package) with 0.5 mm pitch, thermal pad exposed on underside for enhanced heat dissipation in continuous operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply inputs | Digital (VDD), analog (VDDA), and core (VDDC) rails require independent decoupling; VDDA must be ≥ VDD for ADC accuracy. |
| GND, GNDA | Ground references | Digital (GND) and analog (GNDA) grounds must be separated and joined at single point near regulator to minimize noise coupling into ADC. |
| PD0–PD7, PE0–PE5, PF0–PF4 | GPIO banks | Configurable digital I/O with slew-rate control, pull-up/down, and edge-triggered interrupts; PF0–PF4 support NMI and reset functions. |
| PA0–PA7, PB0–PB7 | Analog input channels | Eight dedicated ADC input pins (AIN0–AIN7); PA0–PA3 also serve as comparator inputs and internal temperature sensor source. |
| UART0_TX, UART0_RX | Serial interface signals | Default UART0 pins mapped to PA0/PA1; support 16× oversampling, FIFOs, and automatic baud-rate detection for robust host communication. |
| SSI0_CLK, SSI0_FSS, SSI0_RX, SSI0_TX | Synchronous serial interface | Hardware SPI master/slave interface on PA2–PA5; supports Motorola, TI, and National Semiconductor frame formats with DMA-ready FIFOs. |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | Single-precision IEEE 754 compliance enables efficient trigonometric, exponential, and filtering computations without software emulation overhead. |
| μDMA Controller | 32-channel peripheral-to-memory and memory-to-memory transfers reduce CPU load during ADC sampling, UART streaming, or display updates. |
| Hardware ADC Averaging | Up to 64-sample hardware averaging per conversion improves effective resolution by ~3 bits and reduces post-processing burden for noisy sensor inputs. |
| ROM Bootloader | Pre-programmed factory bootloader supports UART, I²C, and USB DFU - enables field firmware updates without external programmer. |
| Integrated Temperature Sensor | On-die sensor calibrated to ±3°C accuracy over –40°C to +85°C provides system-level thermal monitoring without external components. |
Applications
| Industrial Sensor Node | Motor Control Interface |
|---|---|
Use Scenario: Compact environmental monitor collecting temperature, humidity, and pressure data with local preprocessing before wireless transmission. IC Role / Device Role / Timing Role: Main system controller executing sensor fusion algorithms, managing low-power sleep cycles, and coordinating UART/SSI communication with transceivers. Use Value: Integrated 12-bit ADC with hardware averaging and 80 MHz M4F core enable accurate multi-sensor correlation without external signal conditioning or co-processor. | Use Scenario: Brushless DC motor drive board requiring real-time PWM generation, current sensing, and fault protection logic. IC Role / Device Role / Timing Role: Real-time motion controller generating synchronized 3-phase PWM outputs while sampling analog current feedback and executing commutation logic. Use Value: Four 32/64-bit GPTMs with PWM mode and dead-band insertion, plus 1 MSPS ADC, allow precise timing-critical motor control within a single chip. |
| Programmable Logic Controller (PLC) I/O Module | USB-Capable Embedded Gateway |
Use Scenario: DIN-rail mounted I/O expansion module converting discrete 24 V inputs and driving relay outputs under Modbus RTU protocol. IC Role / Device Role / Timing Role: Protocol-aware peripheral manager handling UART-based Modbus framing, GPIO state scanning, and watchdog supervision. Use Value: Dual UARTs with FIFOs, configurable GPIO with programmable slew rate, and ROM bootloader simplify certified industrial firmware deployment and field updates. | Use Scenario: Smart home hub bridging Zigbee/Z-Wave radios to USB-hosted cloud gateways with local rule execution. IC Role / Device Role / Timing Role: USB device controller endpoint manager and bridge processor running lightweight TCP/IP stack and local automation logic. Use Value: On-chip USB 2.0 device controller with 1 KB RAM buffer and ROM bootloader enables certified USB enumeration and firmware updates without external PHY or EEPROM. |
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), more SRAM (32 KB), same core and peripherals; differs in pin count (144-pin BGA vs. 64-pin LQFP). | Targeted at complex HMI or connectivity-rich designs needing larger code space and more peripherals. | Select TM4C123GH6PM only if design requires >32 KB Flash or additional UART/SSI instances - not a drop-in replacement due to package and pinout mismatch. |
| STM32F401CCU6 | ARM Cortex-M4F core, 256 KB Flash, 64 KB SRAM, but lacks integrated USB device controller and has different ADC architecture (no hardware averaging). | Better suited for cost-sensitive consumer devices where USB is handled externally or omitted. | Choose STM32F401CCU6 when higher memory density is critical and USB device functionality is unnecessary - requires redesign of power, clock, and peripheral routing. |
Compared with TM4C1230C3PMI, TM4C123GH6PM offers scalability for feature-rich systems but demands PCB rework, while STM32F401CCU6 trades integrated USB and ADC features for greater memory - both require layout and firmware adaptation.
Availability
TM4C1230C3PMI is available at Aetrix Electronics and suitable for industrial sensor nodes, motor control interfaces, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across temperature ranges.
Supply support for TM4C1230C3PMI 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, embedded processing, and connectivity solutions for industrial, automotive, and communications markets.
The TM4C1230C3PMI belongs to TI's Tiva C Series microcontrollers, designed specifically for cost-sensitive, real-time embedded applications demanding high analog integration, deterministic timing, and seamless toolchain support via TivaWare and CCS.
FAQ
What is the maximum operating frequency of the TM4C1230C3PMI?
The TM4C1230C3PMI operates at a maximum CPU clock frequency of 80 MHz. This speed is achieved using the internal PLL driven from the precision internal oscillator or an external crystal. At this rate, the ARM Cortex-M4F core delivers over 100 DMIPS, enabling real-time control loops and sensor data processing without external acceleration. The TM4C1230C3PMI maintains full peripheral functionality-including ADC sampling, UART transmission, and PWM generation-at this rated speed.
Does the TM4C1230C3PMI include a built-in USB interface?
No, the TM4C1230C3PMI does not include a USB interface. Unlike later Tiva C Series variants such as the TM4C123GH6PM, the TM4C1230C3PMI omits the USB 2.0 device controller. Its communication peripherals are limited to UART, I²C, SSI (SPI), and CAN. If USB connectivity is required, designers must use an external USB-to-UART bridge IC or select a higher-tier Tiva part with integrated USB support.
What debug interfaces are supported by the TM4C1230C3PMI?
The TM4C1230C3PMI supports both JTAG and Serial Wire Debug (SW-DP) interfaces via dedicated pins (TCK, TMS, TDI, TDO, nTRST, SWDIO, SWCLK). These interfaces enable full-featured debugging, flash programming, and real-time trace using standard ARM-compliant tools such as TI's XDS100v3 debugger or CMSIS-DAP adapters. No external debug probe is required beyond basic 10-pin ARM SWD/JTAG cabling.
Can the TM4C1230C3PMI run the TivaWare Peripheral Driver Library?
Yes, the TM4C1230C3PMI is fully supported by TI's TivaWare™ Peripheral Driver Library. This vendor-provided C library includes drivers for all on-chip peripherals-GPIO, UART, ADC, timers, SSI, I²C, and μDMA-with documented API calls, example projects, and CMSIS-compliant startup code. The TM4C1230C3PMI's memory map and register layout align precisely with TivaWare's device-specific definitions, ensuring reliable initialization and runtime operation.
What is the temperature range specification for the TM4C1230C3PMI?
The TM4C1230C3PMI is rated for industrial operation from –40°C to +85°C ambient temperature. This range is validated per TI's production test standards and applies to all electrical specifications in the datasheet, including Flash endurance, ADC linearity, and clock stability. The device uses a calibrated internal temperature sensor (±3°C accuracy) to monitor die temperature, supporting thermal management features in safety-critical or high-reliability deployments.
TM4C1230C3PMI 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
- 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:
TM4C1230C3PMI FAQ
1.How can I place an order for TM4C1230C3PMI through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1230C3PMI 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 TM4C1230C3PMI reliable?
The price and inventory of TM4C1230C3PMI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1230C3PMI is usually 5 days.
3.What payment methods are accepted for TM4C1230C3PMI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1230C3PMI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1230C3PMI?
TM4C1230C3PMI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1230C3PMI 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 TM4C1230C3PMI?
For technical support, including TM4C1230C3PMI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1230C3PMI requirements.
6.How does Aetrix verify that TM4C1230C3PMI is sourced from the original manufacturer or authorized distributors?
All TM4C1230C3PMI 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 TM4C1230C3PMI meets industry standards.
7.What is the process for return or replacement of TM4C1230C3PMI?
All TM4C1230C3PMI units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1230C3PMI, 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 TM4C1230C3PMI part is unused and in its original packaging.
Return procedure for TM4C1230C3PMI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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