Renesas RX74N

RX74N is the highest-performance RX MCU designed for applications in industrial and building automation, as well as energy management. Built on 22nm process technology, it combines a high-performance RXv3e core operating at up to 600MHz with large-capacity memory and an optimized bus architecture to deliver high-speed, efficient processing.

Integrated Gigabit Ethernet connectivity and a rich set of peripheral functions provide the flexibility required for a wider range of industrial embedded systems and connected devices. Protect Zone and advanced security functions further enhance system security for connected industrial applications.

Compared with RX72N, the RX74N delivers improved processing performance and enhanced system capabilities. Integrating high-performance processing, industrial networking, and security functions into a single MCU, it helps to simplify system design and reduce development effort. RX74N is ideal for a broad range of industrial applications, including smart meters, power conditioners, AC servos, robots, and HVAC controllers.

Key features

• 600MHz RXv3e core (6.01 CoreMark/MHz*), double-precision FPU, and register bank save function that speeds up interrupt response
  • *Typical for RXv3e core
• 1.62V to 3.63V operation (system, USB, and analog power supplies can be separated)
• Junction temperature (Tj): -40℃ to 125℃
• Large-capacity memory: 1MB code MRAM with dual bank, 48KB data MRAM, 1.5MB SRAM w/ ECC
• Supports XiP (eXecute-in-Place) from external octal flash and RAM with on-the-fly decryption
• Package: 100,144,176-pin QFP, 176, 224, 320-pin BGA
• Up to 197 I/O ports
• SD host interface (supports SD memory/SDIO 1 or 4-bit SD bus)
• USB 2.0 Host/Function/OTG (supports high speed (480Mbps), full speed (12Mbps), low speed (1.5Mbps)
• CAN FD (ISO 11898-1-2015 compliant, up to 150Mbps transfer)
• Various other connectivity functions (SCI, I3C, I2S, etc.)
• 32-bit general-purpose PWM timer, 8-bit PWM timer, 16-bit/32-bit compare match timer, RTC
• 200MHz PWM control and high-resolution PWM
• 16-bit A/D converter, 12-bit D/A converter, temperature sensor
• AES, ChaCha2.0, RSA, ECC, SHA512, and SHA3-512 encryption engines, tamper detection function, Protect Zone function

Applications

• Industrial automation (IA): AC servo, robot, PLCs and remote I/O
• Building automation (BA): HVAC controllers
• Energy management systems (EMS): smart meter and power conditioners
• Other industrial applications