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아두이노 우노 R4 미니마 보드
(Arduino UNO Rev4 Minima)
개요
- 본 제품은 아두이노 우노 R4 미니마 보드 입니다.
- 르네사스사의 Cortex M4 칩인 RA41M1를 기반으로 디자인된 제품입니다.
- 32비트 마이크로프로세서를 탑재하여 기존의 8비트 MCU보다 강력한 컴퓨팅을 자랑합니다.
- CAN통신과 12비트 DAC도 추가로 지원합니다.
특징
- Enhanced Arduino UNO Microcontroller: Features 32-bit RA4M1 microprocessor and maintains the same form factor, pinout, and 5V operating voltage as the UNO R3
- Expanded memory and faster clock: Memory capacity is 256kB, 32kB SRAM, 8kB data memory (EEPROM), and the clock speed is 48 MHz.
- Wider input voltage range: Supports an input voltage range of 6-24 V, enabling seamless integration and simplifying projects by utilizing a single power source.
- Extra onboard peripherals: Provide a 12-bit DAC, CAN BUS, and OP AMP, offering users expanded capabilities and flexibility in their designs
- HID support: Comes with built-in HID (Human Interface Device) support, enabling it to simulate a mouse or keyboard when connected to a computer via a USB cable.
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Board
Name
Arduino® UNO Rev4 Minima
Microcontroller
Renesas RA4M1 (Arm® Cortex®-M4)
USB
USB-C®
Programming Port
Pins
Digital I/O Pins
14
Analog input pins
6
DAC
1
PWM pins
6
Communication
UART
Yes, 4x
I2C
Yes, 1x
SPI
Yes, 1x
CAN
Yes 1 CAN Bus
Power
Circuit operating voltage
5 V
Input voltage (VIN)
6-24 V
DC Current per I/O Pin
8 mA
Clock speed
Main core
48 MHz
Memory
RA4M1
256 kB Flash, 32 kB RAM
Dimensions
Width
68.85 mm
Length
53.34 mm
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The Arduino UNO Rev4 Minima is a novel UNO board that boasts a 32-bit microcontroller, rendering it the first of its kind. The board is equipped with a Renesas RA4M1 series microcontroller, which incorporates a 48MHz Arm® Cortex®-M4 microprocessor. Compared to its predecessors, the UNO Rev4 presents expanded memory capacity, with 256 kB flash, 32 kB SRAM, and 8 kB data memory (EEPROM).
It operates at a voltage of 5V, rendering it compatible with UNO form factor accessories that operate at the same voltage. It is powered by a recommended input voltage of 6-24V, and it comes with Schottky diodes for overvoltage and reverses polarity protection. While shields intended for earlier UNO revisions can be used with this board safely, they are not warranted to be software compatible due to the microcontroller change.
The boards also include a range of peripherals, such as a Capacitive Touch Sensing Unit (CTSU), a USB 2.0 Full-Speed Module (USBFS), and up to 14-bit ADC. It also includes several communication interfaces, such as 1x UART, 1x SPI, 1x I²C, and 1x CAN. Additionally, the board features a Digital Analog Converter (DAC), which is used to convert digital signals to analog signals, allowing for accurate control of various components.
