RX26T 32-Bit Microcontrollers Renesas Electronics RX26T 32-Bit Microcontrollers are 5V-compatible devices featuring dual-motor control using Field Oriented Control (FOC) and Power Factor Correction (PFC) control on a single chip. The RX26T RXv3 core is a 3rd generation RX CPU core with a 120MHz operating frequency, flash memory capable of 120MHz read operations and a trigonometric function unit (TFUv2) that delivers high compute performance.