Overview
Description
The RA2L1 group is based on the Arm® Cortex®-M23 core, the most energy-efficient CPU among Arm Cortex-M today. The optimized processing and Renesas’ low power process technology makes it the industry's most energy-efficient ultra-low power microcontroller. The RA2L1 group supports a wide operating voltage range of 1.6V to 5.5V, and a maximum CPU clock frequency of 48MHz, lower active mode current, and standby mode current. The RA2L1 group also features an enhanced Capacitive Touch Sensing Unit (CTSU2), a set of serial communication interfaces, highly accurate converters, and timers. The products are available with pin counts ranging from 48-pin to 100-pin.
Features
- 48MHz Arm Cortex-M23
- 128kB/256kB Flash Memory and 32kB SRAM with ECC
- 8kB Data Flash to store data as in EEPROM
- Scalable from 48-pin to 100-pin packages
- Internal voltage regulators
- Enhanced Capacitive Touch Sensing Unit (CTSU2)
- 12-bit ADC, 12-bit DAC, LPACMP
- 32-bit general PWM timer, 16-bit general PWM timer, low power asynchronous general-purpose timer
- RTC
- SCI (UART, Simple SPI, Simple I2C)
- SPI/I2C multi-master interface
- CAN
- Safety
- Security and encryption
Comparison
Applications
Design & Development
Software & Tools
Sample Code
Boards & Kits
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
Support
Support Communities
Renesas Academy
Support Communities
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RA2L1 MCU Boot :: fsp.ld:170 cannot move location counter backwards (from 00000536 to 00000400)
Hello, I am using EK-RA2L1 board with device R7FA2L1AB2DFP. Trying to follow the steps mentioned in Secure Bootloader for RA2 MCU Series. I am using Swap upgrade mode with Signature. I came across the following error while building the project (tried clean + build too). Building target: ra2l1_mcuboot_swap ...
Dec 10, 2023 -
RA2L1 R_SPI_WriteRead Function Not Reading Data
Hello to everyone,I'm new to Renesas processors and again I'm asking you where I'm stuck.I am following SPI tutorial with RA2L1 processor. I am trying to run LoRa module with SPI. It's a module I've worked with on STM processors before. But the ...
Dec 19, 2022 -
14pins of E2 Lite Connection with RA2L1
Hello I am new to the RA series Controller, I designed my custom board based on RA2L1, in the custom board I kept a 14pin connector for programming, but it is not working could you please look into the schematic and provide you feedback on what is the issues RA2L1 ...
Jul 21, 2022
FAQs
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EK-RA2L1 Schematic Missing Connections
Suitable Products
Apr 14, 2022 -
Errata to EK-RA2L1 schematic and manual on MikroBUS Connector for ES Boards
Last Updated: 10/12/2021 There appears to be an error in the schematics and documentation for the EK-RA2L1 ES board. From tests it would appear that CS of the MikroBUS connector is connected to P1_04 of the RA2L1, not P1_03. The below attached project ...
Oct 12, 2021 -
Running RA2L1 UART at 1MBps Example
Last Updated: 11/30/2021 The attached project using e2studio v3.3.0 and with an EK-RA2L1 board runs the UART at 1MBps without issue. In project Properties, make sure Baud Rate Modulation is Enabled and set baud rate to 1000000. See the below output display: Suitable ...
Nov 30, 2021
Videos & Training
Introducing the RA2L1 Group of 48MHz ArmⓇ CortexⓇ-M23 ultra-low power general-purpose microcontrollers (MCUs). These MCUs deliver industry-leading power efficiency with enhanced peripherals for IoT applications.
