The XIAO RA4M1 integrates Renesas' RA4M1 chip (32-bit ARM® Cortex®-M4 MCU up to 48 MHz with FPU) into the classic XIAO form factor. This development board offers 256KB Flash, 32KB SRAM, 8KB EEPROM, a USB 2.0 connector, reset and boot buttons, 3 LEDs, a 14-bit A/D converter, a 12-bit D/A converter, and a CAN BUS interface. With onboard charging circuitry and low-power modes (as low as 45μA), it’s ideal for battery-powered applications. Sharing the same 32-bit microcontroller as the Arduino Uno R4, it's natively compatible with Arduino IDE, making it the perfect starting point for electronics projects thanks to the extensive XIAO accessories.
| Microcontroller | Renesas RA4M1, 32-bit ARM® Cortex®-M4 (R7FA4M1AB3CNE), up to 48 MHz, with FPU, 256 KB Flash, 32 KB SRAM |
| Onboard Resources | 14-bit ADC, 12-bit DAC, USB 2.0, onboard RGB LED |
| GPIO | 19 GPIOs total, including 8 additional IO pins on the back |
| Security Features | Hardware encryption, secure boot, key storage, and advanced security functions |
| Software Compatibility | Fully compatible with Arduino IDE |
| Power Management | 4 operating modes, deep sleep consumption as low as 45μA, supports lithium battery charging |
| Form Factor | Compact 21 x 17.8mm, XIAO standard form factor |
| Production Design | SMD design with front-side components and stamp holes for mass production |
| Product | XIAO RA4M1 |
| Processor | Renesas RA4M1, 48 MHz Arm® Cortex®-M4 Core with FPU |
| RAM | 32 KB SRAM |
| Flash | 256 KB |
| LEDs | 1x User LED, 1x Power LED, 1x RGB LED |
| Interfaces | 19 IOs: 6x Analog, 19x Digital, 2x IIC, 2x UART, 2x SPI |
| Buttons | 1x RESET Button, 1x BOOT Button |
| Security | AES128/256 |
| Low Power (Typ.) | 42.6μA @ 3.7V |
| Software Compatibility | Arduino IDE |
| Working Temperature | -20°C ~ 70°C |
| Dimensions | 21 x 17.8 mm |
| Smart Control |
| Education |
| Robotics |
| Wearables |
| Wiki-XIAO RA4M1 Resources |
| Seeed Studio XIAO Use Case |
| Seeed Studio XIAO RA4M1 | x1 |
| 7 Pin Header | x2 |
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The XIAO RA4M1 integrates Renesas' RA4M1 chip (32-bit ARM® Cortex®-M4 MCU up to 48 MHz with FPU) into the classic XIAO form factor. This development board offers 256KB Flash, 32KB SRAM, 8KB EEPROM, a USB 2.0 connector, reset and boot buttons, 3 LEDs, a 14-bit A/D converter, a 12-bit D/A converter, and a CAN BUS interface. With onboard charging circuitry and low-power modes (as low as 45μA), it’s ideal for battery-powered applications. Sharing the same 32-bit microcontroller as the Arduino Uno R4, it's natively compatible with Arduino IDE, making it the perfect starting point for electronics projects thanks to the extensive XIAO accessories.
| Microcontroller | Renesas RA4M1, 32-bit ARM® Cortex®-M4 (R7FA4M1AB3CNE), up to 48 MHz, with FPU, 256 KB Flash, 32 KB SRAM |
| Onboard Resources | 14-bit ADC, 12-bit DAC, USB 2.0, onboard RGB LED |
| GPIO | 19 GPIOs total, including 8 additional IO pins on the back |
| Security Features | Hardware encryption, secure boot, key storage, and advanced security functions |
| Software Compatibility | Fully compatible with Arduino IDE |
| Power Management | 4 operating modes, deep sleep consumption as low as 45μA, supports lithium battery charging |
| Form Factor | Compact 21 x 17.8mm, XIAO standard form factor |
| Production Design | SMD design with front-side components and stamp holes for mass production |
| Product | XIAO RA4M1 |
| Processor | Renesas RA4M1, 48 MHz Arm® Cortex®-M4 Core with FPU |
| RAM | 32 KB SRAM |
| Flash | 256 KB |
| LEDs | 1x User LED, 1x Power LED, 1x RGB LED |
| Interfaces | 19 IOs: 6x Analog, 19x Digital, 2x IIC, 2x UART, 2x SPI |
| Buttons | 1x RESET Button, 1x BOOT Button |
| Security | AES128/256 |
| Low Power (Typ.) | 42.6μA @ 3.7V |
| Software Compatibility | Arduino IDE |
| Working Temperature | -20°C ~ 70°C |
| Dimensions | 21 x 17.8 mm |
| Smart Control |
| Education |
| Robotics |
| Wearables |
| Wiki-XIAO RA4M1 Resources |
| Seeed Studio XIAO Use Case |
| Seeed Studio XIAO RA4M1 | x1 |
| 7 Pin Header | x2 |
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Category: View all Development Boards
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