Renesas has expanded its RA family of 32-bit MCUs with two entry-level groups based on an Arm Cortex-M33 core with Arm TrustZone technology. The 100-MHz RA4E2 group and 200-MHz RA6E2 group are optimized for power efficiency and offer an easy upgrade path to other members of the RA family.
Along with 40 kbytes of SRAM, the RA4E2 series provides 128 kbytes of flash memory, while the RA6E2 series provides up to 256 kbytes of flash memory. On-chip connectivity options include CAN FD, USB 2.0, QSPI, HDMI CEC, SSI, and I3C. The MCUs also furnish a 12-bit ADC, 12-bit DAC, and PWM timer. Small QFP, QFN, and BGA packages make the microcontrollers suitable for sensing, gaming, wearables, and appliances.
MCUs in the RA4E2 group offer a choice of five different packages ranging from 32 pin to 64 pins as small as 4×4 mm. Active power consumption when executing from flash memory at 100 MHz is 82 µA/MHz. Comprising 10 variants, the RA6E2 MCUs consume 80 µA/MHz in active mode when executing at 200 MHz.
All of the RA4E2 and RA6E2 MCUs are available today. Evaluation kits and prototyping boards are also available for both MCU groups.
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