Renesas RA4C1
80MHz Arm Cortex-M33 based low-power MCU with TrustZone, segment LCD controller and advanced security
The RA4C1 MCU, the latest addition to the RA4 series, delivers a low‑power solution with advanced security features, making it ideal for applications such as metering or IoT devices. Operating down to 1.6 V and achieving single‑digit µA standby currents, it combines ultra‑low power efficiency with 80 MHz performance powered by an Arm® Cortex®‑M33 core. With integrated advanced peripherals and multiple communication interfaces—including SCI, I²C, and SPI—the RA4C1 is perfectly suited for smart communication use cases such as sensor hubs, system control boards, and beyond.
Key features
- 80MHz Arm® Cortex®-M33 with 512KB dual bank Flash, 96KB SRAM & 8KB DataFlash
- Active: 168 µA/ MHz Standby: 1.44µA (typ.) with fast wake-up <3.5µS (from MOCO)
- 64 and 100pin LQFP Packages
- 12-bit ADC with 1 % accurate temperature sensor
- Segment LCD controller
- Low-power timers and RTC with Vrtc and tamper
- CAN FD
- LPUARTS, SCI (UART, Simple SPI, Simple I2C, LIN ), SPI/ I2C / QSPI
- Secure Crypto Engine, to support AES, ECC TRNG, GHASH and Key management
- - 40 to 105 OC operation supported
Applications
- Utility meters
- Smart home automation products
- Security sensors
- E-bikes
- Access control systems
- Battery management systems
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