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ATSAMR21G18A-MU
+Lista de MateriaisIC RF TXRX+MCU ISM>1GHZ 48QFN
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FabricanteTecnologia Microchip
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Peça do Fabricante #ATSAMR21G18A-MU
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Ficha Técnica ATSAMR21G18A-MU DataSheet
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Especificações
| Atributo | Valor |
| Series | SMART™ SAM R21 |
| Part Status | Active |
| Type | TxRx + MCU |
| RF Family/Standard | General ISM > 1GHz |
| Modulation | O-QPSK |
| Frequency | 2.4GHz |
| Data Rate (Max) | 250kbps |
| Power - Output | 4dBm |
| Sensitivity | -99dBm |
| Memory Size | 256kB Flash, 32kB SRAM |
| Serial Interfaces | I2C, SPI, UART, USART, USB |
| Voltage - Supply | 1.8V ~ 3.6V |
| Current - Receiving | 11.3mA ~ 11.8mA |
| Current - Transmitting | 7.2mA ~ 13.8mA |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 48-VFQFN Exposed Pad |
| Supplier Device Package | 48-QFN (7x7) |
| Base Product Number | ATSAMR21 |
| DigiKey Programmable | Not Verified |
| GPIO | 28 |
Visão Geral
Description
Key features of the ATSAMR21G18A-MU include its low power consumption, making it suitable for battery-powered devices, and robust security features, including secure boot and data encryption. The device supports IEEE 802.15.4 for wireless communication, making it compatible with Zigbee and Thread networking protocols. Additionally, it includes various peripherals, such as serial communication interfaces (USART, SPI, I2C), timers, and ADCs, enhancing its versatility for different applications.
The ATSAMR21G18A-MU is particularly useful in smart home devices, industrial automation, and wireless sensor networks, providing reliable performance with an emphasis on energy efficiency and connectivity.
Equivalent
1. Nordic Semiconductor nRF52832 - Offers a similar combination of a microcontroller with a Bluetooth transceiver.
2. Texas Instruments CC2650 - Provides a microcontroller with a 2.4 GHz wireless transceiver.
3. Silicon Labs EFR32BG1 - Part of the Blue Gecko family, suitable for Bluetooth applications with similar features.
Specifications and features should be checked for exact equivalence based on project needs.
Features
1. Architecture: Based on the ARM Cortex-M0+ core, offering low power consumption and efficient processing.
2. Wireless Connectivity: Integrates a 2.4 GHz IEEE 802.15.4-compliant RF transceiver for wireless communication, suitable for Zigbee and other IoT protocols.
3. Memory: Equipped with 256 KB of Flash memory and 32 KB of SRAM, providing sufficient storage for applications.
4. Peripherals: Offers a range of peripherals including SERCOM modules which can be configured as I2C, SPI, or USART, alongside ADCs, DACs, timers, and RTC.
5. Security: Features hardware-based security including AES, true random number generator, and support for secure boot.
6. Package: Available in a 48-pin QFN package, which is compact and suitable for space-constrained applications.
7. Power Efficiency: Designed for low-power operation, ideal for battery-powered devices.
The ATSAMR21G18A-MU is a versatile choice for developers working on wireless and IoT solutions needing efficient processing and low power consumption.
Pinout
1. Microcontroller Features: It is equipped with a 32-bit ARM Cortex-M0+ processor, offering low power consumption and efficient performance.
2. Memory: It includes 256 KB of Flash memory and 32 KB of SRAM, facilitating program storage and execution.
3. Wireless Connectivity: The microcontroller integrates an IEEE 802.15.4-compliant radio transceiver, enabling wireless communications for ZigBee and other low-power wireless applications.
4. Peripherals: It features various peripherals, including USART, SPI, I2C (SERCOM modules), ADC, DAC, timers, and more, providing flexibility for diverse applications.
5. Power Management: Supports various low-power operating modes to extend battery life in portable applications.
6. I/O Options: The device provides multiple general-purpose I/O pins, allowing for flexible connectivity to external components and systems.
This microcontroller is suitable for IoT applications requiring wireless connectivity, low power consumption, and robust processing capabilities.