120 MHz Cortex-M4F with integrated Ethernet and CAN
The Texas Instruments TM4C1292NCZADI3R is a 32-bit ARM Cortex-M4F microcontroller from the Tiva C series, clocked at 120 MHz. It carries 1 MB of Flash program memory and 256K x 8 of SRAM, with an additional 6K x 8 EEPROM block for parameter storage. The part integrates a 24-channel 12-bit ADC, motion-control PWM, and a full set of connectivity peripherals including Ethernet MAC+PHY, CANbus, USB OTG, and multiple UART/SPI/I²C interfaces. It is housed in a 212-VFBGA package and rated for industrial temperature operation from -40°C to 85°C.
What the 120 MHz core means for your control loop
At 120 MHz, the Cortex-M4F with single-precision FPU can execute a PID loop with floating-point coefficients in under a microsecond, leaving headroom for protocol stacks. The 1 MB Flash is sized for a full Ethernet TCP/IP stack plus a CANopen or Modbus TCP application without external memory. The 140 I/O lines in a 10x10 mm BGA give you dense pin count for a multi-axis motor drive or a PLC I/O slice where board area is tight.
Industrial temperature and connectivity for factory-floor deployment
Rated for -40°C to 85°C, this MCU is suited for outdoor telecom cabinets, motor drive enclosures, and engine-bay electronics where commercial-grade parts would drift. The Ethernet MAC with integrated PHY and the CANbus controller let it bridge a fieldbus network to a plant-wide backbone without an external transceiver module. The internal oscillator eliminates the need for an external crystal in many applications, saving two pins and a component.