Summary of RA2E1 – 48MHZ ARM® CORTEX®-M23 ENTRY LINE GENERAL PURPOSE MICROCONTROLLER
Renesas released 48 RA2E1 Group microcontrollers based on a 48 MHz Arm Cortex-M23 core, targeting cost-sensitive and space-constrained applications. Devices offer up to 128 KB flash, 16 KB SRAM, wide 1.6–5.5V operation, multiple package options (LQFP, QFN, LGA, BGA, WLCSP), ultra-low-power modes, integrated capacitive touch, security accelerators (AES, TRNG), and on-chip peripherals to reduce BOM and enable scalable upgrades within the RA family.
Parts used in the RA2E1 Microcontroller Project:
- RA2E1 Group microcontrollers (48 variants)
- 48-MHz Arm Cortex-M23 core (integrated in MCU)
- Integrated flash memory (32 KB to 128 KB options)
- 16 KB SRAM (on-chip)
- AES cryptography accelerator (on-chip)
- True random number generator (TRNG) (on-chip)
- Memory protection units (on-chip)
- Capacitive touch sensing unit (integrated, no external components)
- High precision internal oscillator (1.0 percent, on-chip)
- Background operation data flash (on-chip, 1 million erase/program cycles)
- High-current IO ports (on-chip)
- Temperature sensor (on-chip)
- Package options: LQFP, QFN, LGA, BGA, WLCSP (2.14 x 2.27 mm)
Renesas Electronics has announced the release of 48 new RA2E1 Group microcontrollers for cost-sensitive and space-constrained applications. Based on the 48-MHz Arm Cortex-M23 core, these new entry-line single-chip devices offer 16-KB SRAM memory, 128-KB code flash, and support a wide operating voltage range of 1.6V to 5.5V and a large selection of packages viz. LQFP, QFN, LGA, BGA, and Wafer Level Chip Scale Package (WLCSP).
The RA2E1 Group of microcontrollers with key features like optimized combinations of superior performance, ultra-low-power consumption, innovative peripherals, and small package options are ideal for cost-sensitive applications and space-constrained applications. Additionally, these MCUs serve as an entry point into our RA2 Series, offering a seamless upgrade to larger RA Family devices with hardware and software scalability. Besides, these devices include an AES cryptography accelerator, a true random number generator (TRNG), and memory protection units that provide the fundamental blocks to develop a secure IoT system.
Key Features Of RA2E1 Microcontrollers
- 48 MHz Arm Cortex-M23 CPU core
- Integrated flash memory options from 32KB to 128KB; and 16KB RAM
- Support for wide operating voltage range: 1.6V – 5.5V
- Pin counts from 25- to 64-pin
- Package options including LQFP, QFN, LGA, BGA, and WLCSP (2.14 x 2.27mm)
- Low power operation: 100µA/MHz in active mode; 250 nA in software standby
- Integrated next-generation innovative capacitive touch sensing unit with no external components required, lowering BOM costs
- Enables system costs reduction with on-chip peripheral functions, including a high precision (1.0 percent) internal oscillator, background operation data flash supporting 1 million erase/program cycles, high-current IO ports, and a temperature sensor
- Pin and peripheral compatibility with RA2L1 Group devices for quick and easy upgrade paths
Read more: RA2E1 – 48MHZ ARM® CORTEX®-M23 ENTRY LINE GENERAL PURPOSE MICROCONTROLLER
- What core do RA2E1 microcontrollers use?
They use a 48 MHz Arm Cortex-M23 CPU core. - How much flash and RAM do RA2E1 devices offer?
They offer integrated flash memory options from 32 KB to 128 KB and 16 KB RAM. - What operating voltage range do the RA2E1 microcontrollers support?
They support a wide operating voltage range of 1.6 V to 5.5 V. - What package options are available for RA2E1 devices?
Package options include LQFP, QFN, LGA, BGA, and WLCSP (2.14 x 2.27 mm). - Are there low power features in the RA2E1 group?
Yes, they offer low power operation: 100 µA/MHz in active mode and 250 nA in software standby. - Do RA2E1 microcontrollers include security features?
Yes, they include an AES cryptography accelerator and a true random number generator, plus memory protection units. - Do RA2E1 devices support capacitive touch sensing without external components?
Yes, they integrate a next-generation capacitive touch sensing unit requiring no external components. - Can RA2E1 devices help reduce system BOM costs?
Yes, on-chip peripherals like the high precision internal oscillator, background data flash, high-current IO ports, and temperature sensor help reduce system costs. - Are RA2E1 microcontrollers compatible with other RA series devices?
They have pin and peripheral compatibility with RA2L1 Group devices for quick and easy upgrade paths.
