TM4C1294KCPDTT3R Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
TM4C1294KCPDTT3R is a 32-bit ARM Cortex-M4F Tiva microcontroller by Texas Instruments with integrated Ethernet MAC/PHY. Key specs: 120 MHz clock, 1 MB Flash, 90 I/O lines, 128-pin LQFP. From $12.00, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 128
- Lifecycle
- OBSOLETE
- Datasheet
- TM4C1294KCPDTT3R Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- ARM Cortex-M4F core at 120 MHz with FPU and DSP instructions for real-time signal processing in connected applications
- Integrated 10/100 Ethernet MAC and PHY enabling direct network connectivity without an external PHY chip
- 1 MB Flash and 256 KB SRAM with 90 GPIO lines plus CAN, USB, SSI, UART, and I2C peripherals in a 128-pin LQFP
Applications
TM4C1294KCPDTT3R is designed for industrial IoT gateways, building automation controllers, and networked motor drives that require both real-time control and Ethernet connectivity in a single chip. Its integrated MAC/PHY eliminates the external PHY and simplifies PCB routing for 10/100 Mbps applications. The 120 MHz Cortex-M4F core handles concurrent PID control loops and TCP/IP stack processing without a secondary processor.
Specifications
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Clock Frequency-Max | 25MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G128 |
| Number of I/O Lines | 90 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
| ROM Programmability | FLASH |
| Speed | 120MHz |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.14V |
| Supply Voltage-Nom | 1.2V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.4mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TM4C1294KCPDTT3R:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4F CPU, 120MHz, CMOS, PQFP128
Frequently Asked Questions
What Ethernet capability does TM4C1294KCPDTT3R integrate and how does it simplify hardware design?
The TM4C1294KCPDTT3R integrates a full 10/100 Mbps Ethernet MAC and PHY on-chip, so no external PHY IC is required. This saves one component, eliminates the RMII/MII routing challenge, and reduces BOM cost by several dollars compared to MCUs that require an external KSZ8081 or DP83848 PHY.
Which real-time control applications benefit from the TM4C1294KCPDTT3R running at 120 MHz with an FPU?
Applications such as 3-phase motor control, industrial servo drives, and solar inverters benefit from the 120 MHz Cortex-M4F core with single-precision FPU. The FPU executes floating-point PID loops in under 10 clock cycles, enabling 20 kHz control-loop rates on 3 axes simultaneously while the Ethernet peripheral handles SCADA communication.
For a factory automation gateway, how does the 128-pin LQFP package and 90 I/O lines of TM4C1294KCPDTT3R help with peripheral integration?
With 90 GPIO lines available in the 128-pin LQFP package, TM4C1294KCPDTT3R can drive relay banks, read 8 analog channels via the 12-bit ADC, and simultaneously run 4 UART ports for RS-485 connections to field devices. This eliminates the need for external I/O expanders in mid-complexity gateway designs.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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