80 MHz Cortex-M4F with FPU — compute headroom for control loops
The Texas Instruments TM4C123BE6PZI7R is a 32-bit ARM Cortex-M4F microcontroller from the Tiva C Series, clocked at 80 MHz with a single-precision floating-point unit. That FPU handles PID coefficients, sensor fusion, or FFT bins without software emulation — a direct cycle save over a Cortex-M3 at the same clock. The 128 KB Flash and 32 KB RAM support a moderate firmware image with room for a real-time OS kernel and a few hundred data log entries; the 2 KB EEPROM holds calibration constants or boot-config flags across resets.
22-channel 12-bit ADC — analog front-end density
The ADC has 22 channels at 12-bit resolution. The 69 GPIOs support parallel interfaces alongside analog inputs.
Industrial temperature grade — -40°C to 85°C
Rated for -40°C to 85°C ambient. The 100-LQFP package (14x14 mm) is a standard footprint for hand-assembly or reflow; the Tape & Reel variant is intended for volume pick-and-place. The base product number is TM4C123.