RXv3 core at 160 MHz — what that means for the control loop
The Renesas R5F566TFCGFB#30 is a 32-bit RXv3 microcontroller running at 160 MHz, built for deterministic real-time control in industrial and automotive-adjacent applications. The 512 KB on-chip Flash and 128 KB RAM hold a substantial firmware image and data buffers without external memory, while the 32 KB dedicated EEPROM block stores calibration constants and configuration parameters that survive power cycles. With 110 I/O lines in a 144-pin LQFP, this part suits parallel display interfaces, large sensor arrays, or multi-axis motion control where pin count is the binding constraint.
Connectivity and analog density
The peripheral set includes CANbus, USB, SCI/UART, SPI, I²C, and an EBI/EMI bus. The 30-channel 12-bit ADC and two 12-bit DACs handle analog I/O. Supply range is 2.7 V to 5.5 V.
Temperature grade and deployment envelope
Rated for -40°C to 105°C ambient, this MCU is specified for factory-floor enclosures, outdoor telecom cabinets, and under-hood electronics where the junction temperature climbs. The internal oscillator eliminates the external crystal for cost-sensitive builds, though the EBI/EMI bus and USB PHY still benefit from a precision clock source when timing margin is tight.
Lifecycle and sourcing posture
That means it remains a valid selection for new production builds and ongoing BOM lines. No stock or price figures are published here because the channel position changes daily — submit an RFQ for the real-time picture.